CN110148998A - A kind of static transfer switch STS and its control method and no-break power unit - Google Patents
A kind of static transfer switch STS and its control method and no-break power unit Download PDFInfo
- Publication number
- CN110148998A CN110148998A CN201910439795.9A CN201910439795A CN110148998A CN 110148998 A CN110148998 A CN 110148998A CN 201910439795 A CN201910439795 A CN 201910439795A CN 110148998 A CN110148998 A CN 110148998A
- Authority
- CN
- China
- Prior art keywords
- module
- power source
- backup power
- power supply
- sts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The disclosure can only be safeguarded STS in such a way that load equipment is offline in the case where load equipment power down to solve the problem of STS failure but not yet cause about a kind of static transfer switch STS and its control method and no-break power unit.The static transfer switch STS of the disclosure, comprising: power supply selecting module connects two-way power supply, and select in two-way power supply all the way power supply be that load equipment is powered；Backup power source input module connects backup power source；Switch module is connected between backup power source input module and load equipment, according to the switching control instruction of switch control module, connects or disconnects backup power source input module and load equipment；Switch control module sends switching control instruction to switch module.The embodiment of the present disclosure while realization to load equipment uninterrupted power supply, prompts to replace the power supply selecting module in STS by increasing backup power source input module, switch module and switch control module in STS.
Description
Technical field
This disclosure relates to field of electronics more particularly to a kind of static transfer switch STS and its control method, device,
Medium and no-break power unit.
Background technique
In the related technology, it is the high availability for guaranteeing data center's server equipment, can be generally configured in industry opposite
Independent two electrical distribution paths form general described 2N power distribution architecture in the industry.But it due to cost, Technical Architecture etc., leads
The case where causing to undertake the server of important service role there are still single supply module for power supply, i.e., whole distribution system meets 2N and matches
Electricity demanding, but part server equipment does not only have single supply module for power supply yet.
To carry out electricity availability promotion to such single supply equipment, generally one can be increased in such equipment upper end in industry
A rack static transfer switch (Static Transfer Switch, STS) constitutes two-way power supply power supply, all the way as master
In addition power supply is used as backup power source all the way.To a certain extent, electricity availability is improved.As shown in Figure 1, fitting machine
Before posture STS, single supply module device is powered by power input A, and dual-power module equipment is by power input A and power input B
Power supply, after fitting machine posture STS, STS using power input A as main electricity, power input B as backup power source, STS's
Output connection single supply module device, such situation in the normal mode STS export connected single supply module device by
Power input A power supply.
From the graph as can be seen that STS is also single-point in a power distribution system in distribution system after fitting machine posture STS in 1
Failure such as there is a situation where STS failure but not yet causes load equipment power down that can only stop at this time when replacing STS to load
Equipment power supply, then replaces STS, namely can only safeguard in such a way that load equipment is offline to STS.
Summary of the invention
The disclosure provides a kind of static transfer switch STS and its control method, device and medium, at least to solve related skill
STS failure but in the case where not yet causing load equipment power down in art, can only carry out STS in such a way that load equipment is offline
The problem of maintenance.The technical solution of the disclosure is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of static transfer switch STS is provided, including power supply selecting module,
Backup power source input module, switch module and switch control module, wherein
Power supply selecting module, for connecting two-way power supply, and select in two-way power supply all the way power supply be that load equipment supplies
Electricity；
Backup power source input module is connected, for connecting backup power source with load equipment by switch module；
Switch module is connected between backup power source input module and load equipment, for receiving switch control mould
When the close command that block is sent, backup power source input module and load equipment are connected, and receiving switch control module hair
When the open command sent, the connection of backup power source input module and load equipment is disconnected；
Switch control module, for sending close command or open command to switch module.
In a kind of possible embodiment, in the STS that the disclosure provides, power supply selecting module, comprising: the first power supply is defeated
Enter module, second source input module and the selection being connected with the first Power Entry Module and second source input module
Module and output module, wherein selecting module is for selecting the first Power Entry Module or second source input module and output
Module connection.
According to the second aspect of an embodiment of the present disclosure, the control method of static transfer switch STS a kind of is provided, comprising:
Determine power supply selecting module currently and be the target power of load equipment power supply；
Selected in multiple default power supplys all the way power supply as the backup power source being connect with backup power source input module；
When determining that target power and backup power source are homologous, control switch control module sends closure to switch module and refers to
It enables, and shows the prompt information for being used to indicate replacement power supply selecting module；
After detecting the power supply selecting module more renewed, control switch control module, which sends to disconnect to switch module, to be referred to
It enables.
In a kind of possible embodiment, in the method that the disclosure provides, control switch control module is to switch module
Before sending close command, method further include:
When determining that target power and backup power source be not homologous, power supply conduct all the way is reselected in multiple default power supplys
The backup power source being connect with backup power source input module.
In a kind of possible embodiment, in the method that the disclosure provides, control switch control module is to switch module
Before sending close command, method further include:
When following all conditions are all satisfied, determine that target power is homologous with backup power source；And
When at least one is unsatisfactory in determining the following conditions, determine that target power is not homologous with backup power source；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line of backup power source and zero curve is pre- less than first
If voltage threshold；
Condition two, backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of backup power source and the phase line of target power is less than third predetermined voltage threshold；
Voltage between condition four, the zero curve of backup power source and the zero curve of target power is less than the 4th predetermined voltage threshold
When, determine that target power is homologous with backup power source.
According to the third aspect of an embodiment of the present disclosure, the control device of static transfer switch STS a kind of, including determination are provided
Unit is configured as executing the target power that determining power supply selecting module is currently load equipment power supply；
Selecting unit, be configured as execute selected in multiple default power supplys all the way power supply as with backup power source input mould
The backup power source of block connection；
First control unit is configured as executing when determining that target power and backup power source are homologous, control switch control
Module sends close command to switch module, and shows the prompt information for being used to indicate replacement power supply selecting module；
Second control unit is configured as executing after detecting the power supply selecting module more renewed, control switch control
Module sends open command to switch module.
In a kind of possible embodiment, in the device that the disclosure provides, first control unit is also configured to
When determining that target power and backup power source be not homologous, reselection procedure message, reselection procedure message are sent to selecting unit
It is used to indicate selecting unit and reselects power supply all the way in multiple default power supplys as connecting with backup power source input module
Backup power source.
In a kind of possible embodiment, in the device that the disclosure provides, first control unit is also configured to
When following all conditions are all satisfied, determine that target power is homologous with backup power source；And
When at least one is unsatisfactory in determining the following conditions, determine that target power is not homologous with backup power source；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line of backup power source and zero curve is pre- less than first
If voltage threshold；
Condition two, backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of backup power source and the phase line of target power is less than third predetermined voltage threshold；
Voltage between condition four, the zero curve of backup power source and the zero curve of target power is less than the 4th predetermined voltage threshold
When, determine that target power is homologous with backup power source.
According to a fourth aspect of embodiments of the present disclosure, a kind of computer program product is provided, comprising: processor；
Memory for storage processor executable instruction；
Wherein, processor is configured as executing described instruction, to realize any one of embodiment of the present disclosure second aspect institute
The control method of the static transfer switch STS stated.
According to a fifth aspect of the embodiments of the present disclosure, a kind of storage medium is provided, when the instruction in storage medium is by static state
When the processor of the control device of change-over switch STS executes, so that the control device of static transfer switch STS is able to carry out this public affairs
Open the control method of static transfer switch STS described in any one of embodiment second aspect.
According to a sixth aspect of an embodiment of the present disclosure, a kind of no-break power unit is provided, including, such as the embodiment of the present disclosure
The control device of the static transfer switch STS and third aspect STS of first aspect, the control device of the STS are connect with STS, are used
It powers in control STS to load equipment.
The technical scheme provided by this disclosed embodiment at least bring it is following the utility model has the advantages that
By increasing backup power source input module, switch module and switch control module newly in STS, so that needing replacing
When power supply selecting module in STS, first power supply selecting module can be determined currently and be the target power of load equipment power supply, from more
Selected in a default power supply all the way power supply and determining target power as the backup power source connecting with backup power source input module
When homologous with backup power source, control switch control module sends close command to switch module, to connect backup power source input mould
Block and load equipment are powered using the backup power source in backup power source input module to load equipment, while display is used to indicate
The prompt information for replacing power supply selecting module indicates new power supply choosing finally after detecting the power supply selecting module more renewed
It selects module selection target power supply to power to load equipment, while control switch control module sends open command to switch module,
To disconnect the connection of backup power source input module and load equipment, restores power supply selecting module and power to load equipment.
By increasing backup power source input module, switch module and switch control module newly in STS, so that needing replacing
When power supply selecting module in STS, for example, when the case where STS breaks down but loads not yet power down, it is ensured that set to load
While standby uninterrupted power supply, the power supply selecting module in STS is replaced in instruction, it is ensured that the normal operation of facility, and
And maintenance process relative ease, it is easily operated.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure, do not constitute the improper restriction to the disclosure.
Fig. 1 is the structural schematic diagram according to a kind of static transfer switch STS shown in background technology part；
Fig. 2 is the structural schematic diagram of static transfer switch STS shown according to an exemplary embodiment a kind of；
Fig. 3 is a kind of flow chart of the control method of static transfer switch STS shown according to an exemplary embodiment；
Fig. 4 is a kind of judgement target power shown according to an exemplary embodiment and the homologous flow chart of backup power source；
Fig. 5 is the equipment material object exemplary diagram of static transfer switch STS shown according to an exemplary embodiment a kind of；
Fig. 6 is the control device block diagram of static transfer switch STS shown according to an exemplary embodiment a kind of；
Fig. 7 is a kind of control device block diagram for static transfer switch STS shown according to an exemplary embodiment.
Specific embodiment
In order to make ordinary people in the field more fully understand the technical solution of the disclosure, below in conjunction with attached drawing, to this public affairs
The technical solution opened in embodiment is clearly and completely described.
It should be noted that the specification and claims of the disclosure and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiment of the disclosure described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.Embodiment described in following exemplary embodiment does not represent and disclosure phase
Consistent all embodiments.On the contrary, they are only and as detailed in the attached claim, the disclosure some aspects
The example of consistent device and method.
The some words occurred in text are explained below:
1, term "and/or" in the embodiment of the present disclosure describes the incidence relation of affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Character "/" one
As indicate forward-backward correlation object be a kind of "or" relationship.
2, term " STS " in the embodiment of the present disclosure is a kind of static transfer switch, between two-way power supply power supply or not
Disconnected switching is power supply alternative automatic switchover system.Under normal operating conditions, it is in normal voltage range in main power source,
Load is connected to always main power source.When main power source breaks down, load automatic switch to backup power source, main power source restores normal
Afterwards, load automatic switch is to main power source.
3, term " SSR ", solid-state relay in the embodiment of the present disclosure, be it is a kind of be all made of solid state electrical components it is new
Type noncontacting switch device, it is special using the switch of electronic component (such as switching transistor, bidirectional triode thyristor semiconductor devices)
Property, with can reach contactless the no-spark purpose of make-and-break contact.
In the related technology, load equipment power down there is a situation where STS failure but not yet is caused, at this time when replacing STS, only
It can stop powering to load equipment, then replace STS, namely safeguard in such a way that load equipment is offline to STS.Therefore
The embodiment of the present disclosure provide it is a kind of can on-line maintenance and guarantee be load equipment uninterrupted power supply STS and its control method, protect
While card to load equipment uninterrupted power supply, the power supply selecting module in STS is replaced in instruction, it is ensured that facility is just
Often operation, and maintenance process relative ease, it is easily operated.
As shown in Fig. 2, the structural schematic diagram of the static transfer switch STS provided for the embodiment of the present disclosure a kind of, STS include
Power supply selecting module 11, backup power source input module 12, switch module 13 and switch control module 14, wherein
Power supply selecting module 11, for connecting two-way power input, and select in two-way power input all the way power supply it is defeated
Load equipment power supply to be connect with STS out.It is specifically included: the first Power Entry Module 111, by the access of switch 1, second
Power Entry Module 112 by switch 2 access and with 112 phase of the first Power Entry Module 111 and second source input module
The selecting module 114 and output module 113 of connection, wherein selecting module is for selecting the first Power Entry Module 111 or the second
Power Entry Module 112 is connect with output module 113.
Backup power source input module 12 is connected, for connecting backup power source with load equipment by switch module 13.
Switch module 13 is connected between backup power source input module 12 and load equipment, for according to switch control mould
The switching control instruction of block 14 connects or disconnects backup power source input module 12 and load equipment.
Switch control module 14, for sending switching control instruction to switch module 13.
Fig. 3 is a kind of flow chart of the control method of static transfer switch STS shown according to an exemplary embodiment, such as
Shown in Fig. 3, the control method of static transfer switch STS is used in the on-line maintenance of static transfer switch STS, including following step
Suddenly.
In step s 11, power supply selecting module is determined currently and is the target power of load equipment power supply.
When it is implemented, feelings can be closed the switch by judge the first Power Entry Module and second source input module
Condition determines power supply selecting module currently and is the target power of load equipment power supply, can also be set by external voltage, current detecting
Standby to determine that power supply selecting module is currently the target power of load equipment power supply, the embodiment of the present disclosure does not limit this.
In step s 12, select power supply all the way as connecting with backup power source input module in multiple default power supplys
Backup power source.
When it is implemented, multiple default power supplys can be preconfigured multiple power supplys, it may include multiple and different electricity
The AC power source of pressure, also may include the DC power supply of multiple and different voltages, and the embodiment of the present disclosure does not limit this.
Specifically selected in multiple default power supplys all the way power supply as the backup power source being connect with backup power source input module
When, can arbitrarily be selected in multiple default power supplys all the way power supply as the backup power source being connect with backup power source input module,
Can also be selected in multiple default power supplys according to preset rules all the way power supply it is standby as being connect with backup power source input module
Use power supply.Wherein, preset rules may be set according to actual conditions, for example, AC power source is first selected, reselection DC power supply
Rule；For another example carrying out the rule of selection according to the sequence of voltage value from big to small.
In step s 13, when determining that target power and backup power source are homologous, control switch control module is to switch module
Close command is sent, and shows the prompt information for being used to indicate replacement power supply selecting module.
It should be noted that close command is used to indicate switch module closure, below-mentioned open command is for referring to
Show that switch module disconnects.
Certainly, it when determining that target power and backup power source be not homologous, is reselected in multiple default power supplys electric all the way
Source is as the backup power source connecting with backup power source input module.
When it is implemented, determining that target power is homologous with backup power source when following all conditions are all satisfied；And
When at least one is unsatisfactory in determining the following conditions, determine that target power is not homologous with backup power source；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line of backup power source and zero curve is pre- less than first
If voltage threshold；
Condition two, backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of backup power source and the phase line of target power is less than third predetermined voltage threshold；
Voltage between condition four, the zero curve of backup power source and the zero curve of target power is less than the 4th predetermined voltage threshold
When, determine that target power is homologous with backup power source.
Wherein, predeterminated voltage can be set according to the voltage value of target power, for example, target power is 220V exchange
Power supply, then predeterminated voltage can be set to 220V.First predetermined voltage threshold, the second predetermined voltage threshold, third predeterminated voltage
Threshold value and the 4th predetermined voltage threshold can be set based on experience value, for example, the first predetermined voltage threshold is 10V, the
Two predetermined voltage thresholds are 2V, and third predetermined voltage threshold is 7V, and the 4th predetermined voltage threshold is 2V.
When it is implemented, judge whether backup power source is homologous with target power by switch control module, specific determination side
Formula is illustrated in fig. 4 shown below, and is described in detail below in connection with Fig. 4.
When it is implemented, after control switch control module sends close command to switch module, backup power source input module
It is connect with load equipment namely backup power source is connect with load equipment, detected between backup power source input module and load equipment
The first electric current on route, and the second electric current between target power and load equipment on route is detected, determining the first electric current
Greater than 0A, when the second electric current is not equal to 0A, display is used to indicate the prompt information of replacement power supply selecting module.
In step S14, after detecting the power supply selecting module more renewed, control switch control module is to switch module
Send open command.
When it is implemented, indicating new power supply selecting module selection mesh after detecting the power supply selecting module more renewed
It marks power supply to power to load equipment, when determining that the second electric current is greater than 0A, switch control module, which sends to disconnect to switch module, to be referred to
It enables, to disconnect the connection between backup power source input module and load equipment.
As shown in figure 4, being 220V AC power source with target power, the first predetermined voltage threshold is 10V, the second predeterminated voltage
For threshold value is 2V, third predetermined voltage threshold is 7V and the 4th predetermined voltage threshold is 2V, target is determined in step S23
Power supply is homologous with backup power source, may include steps of:
In step S231, phase line and zero voltage between lines V1, the zero curve and ground voltage between lines V2 of backup power source are detected.
When it is implemented, can by the external equipments such as multimeter detect backup power source phase line and zero voltage between lines V1 and
Zero curve and ground voltage between lines V2, can also be detected, the embodiment of the present disclosure by detection device built-in in power supply selecting module
It does not limit this.
In step S232, if the absolute value of the difference of V1 and 220V is less than 10V namely V1=220v ± 10v, and V2 < 2v,
S233 is thened follow the steps, it is no to then follow the steps S236.
In step S233, backup power source phase line and target power phase voltage between lines V3, backup power source zero curve and mesh are detected
Voltage V4 between mark zero-power line.
When it is implemented, backup power source phase line can be detected by external equipments such as multimeters and with electricity between load power supply phase line
Press V3 and backup power source zero curve and with voltage V4 between zero-power line is carried, it can also be by detection device built-in in power supply selecting module
It is detected, the embodiment of the present disclosure does not limit this.
In step S234, if V3 < 7v, and V4 < 2v, S235 is thened follow the steps, it is no to then follow the steps S236.
In step S235, determine that backup power source is homologous with target power.
In step S236, backup power source is replaced.
Fig. 5 is the equipment material object exemplary diagram of static transfer switch STS shown according to an exemplary embodiment a kind of.Reference
The input port Fig. 5, S1 is the input port of the first Power Entry Module, and the port S2 is the input port of second source input module,
O1 delivery outlet is the output port of output module in power supply selecting module, and the input port S3 is the input terminal of backup power source input module
Mouthful, O2 delivery outlet connects the output port of single supply module device with O3 delivery outlet for STS.
When specific assembly connection, O1 delivery outlet is connect with the input port S3, and O2 delivery outlet, O3 delivery outlet can connect single supply mould
Block device.
Fig. 6 is the control device block diagram of static transfer switch STS shown according to an exemplary embodiment a kind of.Referring to figure
6, which includes:
Determination unit 601 is configured as executing the target power that determining power supply selecting module is currently load equipment power supply.
Selecting unit 602, be configured as execute selected in multiple default power supplys all the way power supply as defeated with backup power source
Enter the backup power source of module connection.
First control unit 603 is configured as executing the control switch control when determining that target power and backup power source are homologous
Molding block sends close command to switch module, and shows the prompt information for being used to indicate replacement power supply selecting module.
Second control unit 604 is configured as executing after detecting the power supply selecting module more renewed, control switch control
Molding block sends open command to switch module.
In a kind of possible embodiment, in the device that the disclosure provides, first control unit 603 is also configured to
When determining that target power and backup power source be not homologous, reselection procedure message, reselection procedure message are sent to selecting unit
It is used to indicate selecting unit and reselects power supply all the way in multiple default power supplys as connecting with backup power source input module
Backup power source.
In a kind of possible embodiment, in the device that the disclosure provides, first control unit 603 is also configured to
When following all conditions are all satisfied, determine that target power is homologous with backup power source；And
When at least one is unsatisfactory in determining the following conditions, determine that target power is not homologous with backup power source；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line of backup power source and zero curve is pre- less than first
If voltage threshold；
Condition two, backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of backup power source and the phase line of target power is less than third predetermined voltage threshold；
Voltage between condition four, the zero curve of backup power source and the zero curve of target power is less than the 4th predetermined voltage threshold
When, determine that target power is homologous with backup power source.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 7 is a kind of device 700 of control for static transfer switch STS shown according to an exemplary embodiment
Block diagram.
Processor 710；
For storing the memory 720 of 710 executable instruction of processor；
Wherein, the processor 710 is configured as executing described instruction, to realize that the short network address in the embodiment of the present disclosure is raw
At method.
In the exemplary embodiment, a kind of storage medium including instruction, the memory for example including instruction are additionally provided
720, above-metioned instruction can be executed by the processor 710 of device 700 to complete the above method.Optionally, storage medium can be with right and wrong
Provisional computer readable storage medium, for example, the non-transitorycomputer readable storage medium can be ROM, deposit at random
Access to memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
In addition, in the exemplary embodiment, the disclosure additionally provides a kind of no-break power unit, including, as shown in Figure 2
Static transfer switch STS and STS as shown in FIG. 6 control device, the control device of the STS is connect with STS, for controlling
STS powers to load equipment.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of static transfer switch STS characterized by comprising power supply selecting module, backup power source input module, switch
Module and switch control module, wherein
The power supply selecting module, for connecting two-way power supply, and select in the two-way power supply all the way power supply set for load
Available electricity；
The backup power source input module is connected, for connecting standby electricity with the load equipment by the switch module
Source；
The switch module is connected between the backup power source input module and the load equipment, for opening according to
The switching control instruction for closing control module, connects or disconnects the backup power source input module and the load equipment；
The switch control module, for sending switching control instruction to the switch module.
2. STS according to claim 1, which is characterized in that the power supply selecting module, comprising: the first power input mould
Block, second source input module and it is connected with first Power Entry Module and the second source input module
Selecting module and output module, wherein the selecting module is for selecting first Power Entry Module or second electricity
Source input module is connect with the output module.
3. a kind of control method of static transfer switch STS is applied to STS of any of claims 1 or 2, which is characterized in that packet
It includes:
Determine that the power supply selecting module is currently the target power of load equipment power supply；
Selected in multiple default power supplys all the way power supply as the backup power source being connect with the backup power source input module；
When determining that the target power and the backup power source are homologous, the switch control module is controlled to the switch module
Close command is sent, and shows the prompt information for being used to indicate replacement power supply selecting module；
After detecting the power supply selecting module more renewed, the switch control module is controlled to the switch module and sends disconnection
Instruction.
4. according to the method described in claim 3, it is characterized in that, described control the switch control module to the switching molding
Before block sends close command, the method also includes:
When determining that the target power and the backup power source be not homologous, reselected all the way in the multiple default power supply
Power supply is as the backup power source connecting with the backup power source input module.
5. according to the method described in claim 3, it is characterized in that, described control the switch control module to the switching molding
Before block sends close command, the method also includes:
When following all conditions are all satisfied, determine that the target power and the backup power source are homologous；And
When at least one is unsatisfactory in determining the following conditions, determine that the target power and the backup power source be not homologous；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line and zero curve of the backup power source is pre- less than first
If voltage threshold；
Condition two, the backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of the backup power source and the phase line of the target power is less than third predeterminated voltage threshold
Value；
Voltage between condition four, the zero curve of the backup power source and the zero curve of the target power is less than the 4th predeterminated voltage threshold
When value, determine that the target power and the backup power source are homologous.
6. a kind of control device of static transfer switch STS characterized by comprising
Determination unit is configured as executing the target power for determining that the power supply selecting module is currently load equipment power supply；
Selecting unit, be configured as execute selected in multiple default power supplys all the way power supply as with the backup power source input mould
The backup power source of block connection；
First control unit is configured as executing when determining that the target power and the backup power source are homologous, described in control
Switch control module sends close command to the switch module, and shows the prompt letter for being used to indicate replacement power supply selecting module
Breath；
Second control unit is configured as executing after detecting the power supply selecting module more renewed, controls the switch control
Module sends open command to the switch module.
7. device according to claim 6, which is characterized in that the first control unit is also configured to
When determining that the target power and the backup power source be not homologous, Xiang Suoshu selecting unit sends reselection procedure message, institute
State reselection procedure message be used to indicate the selecting unit reselected in the multiple default power supply all the way power supply as with institute
State the backup power source of backup power source input module connection.
8. device according to claim 6, which is characterized in that the first control unit is also configured to
When following all conditions are all satisfied, determine that the target power and the backup power source are homologous；And
When at least one is unsatisfactory in determining the following conditions, determine that the target power and the backup power source be not homologous；
The absolute value of the difference of voltage and predeterminated voltage between condition one, the phase line and zero curve of the backup power source is pre- less than first
If voltage threshold；
Condition two, the backup power source zero curve and ground wire between voltage less than the second predetermined voltage threshold；
Voltage between condition three, the phase line of the backup power source and the phase line of the target power is less than third predeterminated voltage threshold
Value；
Voltage between condition four, the zero curve of the backup power source and the zero curve of the target power is less than the 4th predeterminated voltage threshold
When value, determine that the target power and the backup power source are homologous.
9. a kind of control device of static transfer switch STS characterized by comprising
Processor；
For storing the memory of the processor-executable instruction；
Wherein, quiet as described in any one of claim 3 to 5 to realize the processor is configured to executing described instruction
The control method of state change-over switch STS.
10. a kind of storage medium, which is characterized in that when the instruction in the storage medium is by the control of static transfer switch STS
When the processor of device executes, so that the control device of static transfer switch STS is able to carry out as any in claim 3 to 5
The control method of static transfer switch STS described in.
11. a kind of no-break power unit characterized by comprising static transfer switch STS as claimed in claim 1 or 2
With the control device of the STS as described in any one of claim 6 to 8, the control device of the STS is connect with the STS, is used
It powers in controlling the STS to load equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439795.9A CN110148998A (en) | 2019-05-24 | 2019-05-24 | A kind of static transfer switch STS and its control method and no-break power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439795.9A CN110148998A (en) | 2019-05-24 | 2019-05-24 | A kind of static transfer switch STS and its control method and no-break power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110148998A true CN110148998A (en) | 2019-08-20 |
Family
ID=67593168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439795.9A Pending CN110148998A (en) | 2019-05-24 | 2019-05-24 | A kind of static transfer switch STS and its control method and no-break power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110148998A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406526A (en) * | 2020-03-17 | 2021-09-17 | 阿里巴巴集团控股有限公司 | Power supply access condition detection method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881743A (en) * | 2005-04-08 | 2006-12-20 | 伊顿动力品质公司 | Apparatus and methods for coordinated static switch operations for load transfers in uninterruptible power supply systems |
| CN102480169A (en) * | 2010-11-30 | 2012-05-30 | 西门子公司 | Method and system for quickly switching standby power supplies of multi-channel power supplies |
| CN102856975A (en) * | 2012-09-11 | 2013-01-02 | 广州供电局有限公司 | Automatic standby power source switching system |
| CN103812209A (en) * | 2012-11-13 | 2014-05-21 | 力博特公司 | Techniques for improving operation of static transfer switches during voltage disturbances |
| US20140309802A1 (en) * | 2013-04-10 | 2014-10-16 | Ebay Inc. | Methods, systems, and apparatus for datacenter power distribution |
-
2019
- 2019-05-24 CN CN201910439795.9A patent/CN110148998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881743A (en) * | 2005-04-08 | 2006-12-20 | 伊顿动力品质公司 | Apparatus and methods for coordinated static switch operations for load transfers in uninterruptible power supply systems |
| CN102480169A (en) * | 2010-11-30 | 2012-05-30 | 西门子公司 | Method and system for quickly switching standby power supplies of multi-channel power supplies |
| CN102856975A (en) * | 2012-09-11 | 2013-01-02 | 广州供电局有限公司 | Automatic standby power source switching system |
| CN103812209A (en) * | 2012-11-13 | 2014-05-21 | 力博特公司 | Techniques for improving operation of static transfer switches during voltage disturbances |
| US20140309802A1 (en) * | 2013-04-10 | 2014-10-16 | Ebay Inc. | Methods, systems, and apparatus for datacenter power distribution |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406526A (en) * | 2020-03-17 | 2021-09-17 | 阿里巴巴集团控股有限公司 | Power supply access condition detection method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10574053B2 (en) | Power management transfer system and method | |
| US20170214273A1 (en) | Distributed power supply system, station control device, control method, and storage medium in which program is stored | |
| US20210320520A1 (en) | Transfer switch source select systems and methods | |
| US10305321B2 (en) | Automatic recovery control | |
| US9935463B2 (en) | Redundant point of common coupling (PCC) to reduce risk of microgrid's islanding | |
| CN106026351B (en) | Power supply switching selector | |
| US10855106B2 (en) | Enclosure monitoring devices having battery backup | |
| JP6194262B2 (en) | DC power supply device and power supply control method | |
| CN110148998A (en) | A kind of static transfer switch STS and its control method and no-break power unit | |
| US9660484B2 (en) | Power distribution unit inrush current monitor and method for protecting an uninterruptible power supply from inrush current | |
| CN114844196A (en) | Middle-high voltage direct-hanging device and power supply switching circuit thereof | |
| CN110190585A (en) | Type B residual current monitoring and action breaker with wireless transmission function | |
| CN217406243U (en) | Middle-high voltage direct-hanging device and power supply switching circuit thereof | |
| CN109004671A (en) | Mode-switch method, Mode-switch device and back-to-back equipment | |
| CN204732875U (en) | A kind of phase-lacking protective device | |
| JP5707184B2 (en) | Power distribution system | |
| JP2021515531A (en) | Power phase loss detection and compensation | |
| CN206235869U (en) | A kind of control circuit of cooler | |
| CN105730239B (en) | A kind of vehicle-mounted load supplying circuit | |
| CN110138086A (en) | Telemechanical bus connection switch device, control system and control method | |
| CN110474421A (en) | A kind of uninterruption power source and method of supplying power to for more biometric apparatus | |
| CN102751781A (en) | Stand-by power supply on-line device | |
| EP4329146A1 (en) | Automatic power source transfer apparatus | |
| CN213754079U (en) | Power supply system of electronic price tag and electronic price tag | |
| CN219801972U (en) | Power supply and distribution system for data center and data center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |