CN207459822U - A kind of uninterrupted energy storage for power supply system - Google Patents
A kind of uninterrupted energy storage for power supply system Download PDFInfo
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- CN207459822U CN207459822U CN201721323606.4U CN201721323606U CN207459822U CN 207459822 U CN207459822 U CN 207459822U CN 201721323606 U CN201721323606 U CN 201721323606U CN 207459822 U CN207459822 U CN 207459822U
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Abstract
The utility model discloses a kind of uninterrupted energy storage for power supply systems, run and bypass including array, PCS units, UPS units and thyristor；Array connects PCS units and UPS units respectively；PCS units connect utility grid, are stored for when mains-supplied is in the default paddy electricity period, obtaining electric energy from utility grid and being sent to array；UPS units connect important load, for when mains-supplied is abnormal or mains-supplied is in the default peak electricity period, electric energy to be obtained from array, power to important load；Thyristor operation bypass connection utility grid and important load, for when mains-supplied is in default paddy electricity period or ordinary telegram period, powering to important load.The utility model in case of emergency, can quickly be switched to array and be powered by UPS units, greatly improve the power supply reliability of important load.
Description
Technical field
The utility model is related to technical field of electric power, more particularly to a kind of uninterrupted energy storage for power supply system.
Background technology
With the development of society and the raising of people's quality of life, requirement of the people for power quality is also higher and higher.
Some important loads, such as the operating condition of high-accuracy processing instrument, chemical industry equipment, computer room, industrial computer etc., for alternating current electricity
The temporary drop of net voltage, temporarily liter, power failure are all special sensitive.Therefore, important load is proposed for the reliability of electric power system
Increasingly higher demands.At present there is an urgent need to a kind of new uninterrupted energy storage for power supply system, to ensure these important loads
Continual stable operation improves utility grid power supply reliability.
Utility model content
Based on this, the utility model proposes a kind of uninterrupted energy storage for power supply systems, it is therefore intended that ensures and raising is used for
The reliability of the electric power system of important load operation, reduce because of utility grid voltage dip, temporarily rise, in the case of power failure caused by
Economic loss.Meanwhile the electric power system can also reduce demand charge of the important load in the electric period operation in mains-supplied peak,
Reach belt-tightening purpose.
A kind of uninterrupted energy storage for power supply system provided by the utility model, including array, PCS units, UPS units,
And thyristor operation bypass；
The array connects PCS (Power Control System, energy accumulation current converter) units and UPS (no respectively
Uninterruptible power) unit；
The PCS units connect utility grid, for when mains-supplied is in the default paddy electricity period, from alternating current
Electric energy is obtained in power grid and is sent to the array and is stored；
The UPS units, connect important load, for mains-supplied be abnormal or mains-supplied be in it is default
During the peak electricity period, electric energy is obtained from the array, is powered to important load；
The thyristor operation bypass, connects utility grid and important load, for being in default paddy in mains-supplied
When electric period or ordinary telegram period, power to important load.
As a kind of embodiment, uninterrupted energy storage for power supply system provided by the utility model further includes inspection travel
Bypass；
Inspection travel bypass, connects utility grid and important load, for the array, PCS units,
When UPS units or thyristor operation bypass maintenance, power to important load.
As a kind of embodiment, mains-supplied is abnormal the temporary drop including line voltage, temporarily rises or interrupt.
The beneficial effects of the utility model compared with the prior art lie in：
Uninterrupted energy storage for power supply system provided by the utility model is in peak electric period or utility grid in mains-supplied
Voltage occurs under the temporarily abnormal conditions of drop, temporary liter or power failure, and the power supply of important load can quickly be switched to cell array
Row are powered by UPS units, greatly improve the power supply reliability of important load, are reduced because of utility grid voltage dip, temporarily
It rises, economic loss caused by the case of power failure.Meanwhile important load can be also reduced using the utility model in mains-supplied
The demand charge of peak electricity period operation, reaches belt-tightening purpose.
Description of the drawings
Fig. 1 is the structure diagram for the uninterrupted energy storage for power supply system that the utility model embodiment one provides；
Fig. 2 is the structure diagram for the uninterrupted energy storage for power supply system that the utility model embodiment two provides.
Specific embodiment
Below in conjunction with attached drawing, technical characteristic above-mentioned to the utility model and other and advantage carry out clearly and completely
Description, it is clear that described embodiment is only the section Example rather than whole embodiments of the utility model.
Referring to Fig. 1, the utility model embodiment one provide uninterrupted energy storage for power supply system, including array 100,
PCS units 200, UPS units 300 and thyristor operation bypass 400.Array 100 connects 200 He of PCS units respectively
UPS units 300, array 100 stores the energy needed for important load operation by PCS units 200, and passes through UPS units
Energy needed for 300 release important load operations.PCS units 200 connect utility grid, for being in default in mains-supplied
During the paddy electricity period, electric energy is obtained from utility grid and is sent to array 100 and is stored；The connection weight of UPS units 300
It loads, for powering under following two situations to important load：A, when alternating current is in the default peak electricity period；B, no matter
Which as long as alternating current occurs abnormal, for example the temporary drop of voltage, temporarily rises, interrupts period, all from UPS units 300 to important negative
Carry power supply.
400 connection utility grid of thyristor operation bypass and important load, for being in default paddy electricity in mains-supplied
When period or ordinary telegram period, power to important load.
The uninterrupted energy storage for power supply system that embodiment one provides, the time of running use local mains-supplied according to system
Peak electricity, paddy electricity, ordinary telegram period set 200 charged state in different time periods of PCS units and 300 different time sections of UPS units
Discharge condition；
When mains-supplied is in the default paddy electricity period, utility grid is by thyristor operation bypass 400 to important
Load supplying；Meanwhile PCS units 200 obtain electric energy from utility grid, charge to array 100；UPS units 300 are kept
Output voltage is consistent with utility grid voltage, inactivity output；
When mains-supplied is in the default ordinary telegram period, utility grid is by thyristor operation bypass 400 to important
Load supplying；PCS units 200 are disconnected with utility grid, and UPS units 300 keep output voltage consistent with utility grid voltage, nothing
Power output；
When mains-supplied is in default peak electric period, PCS units 200 and thyristor operation bypass 400 simultaneously with
Utility grid disconnects；300 output power of UPS units is powered by the electric discharge of array 100 to important load；It is supplied in alternating current
After the electric peak electric period, the output voltage of UPS units 300 keeps consistent with utility grid voltage, in realization and thyristor
After operation 400 simultaneous interconnectings of bypass, UPS units 300 gradually decrease its output power, until being zero, are led to again by utility grid
Thyristor operation bypass 400 is crossed to power to important load.
The uninterrupted energy storage for power supply system that the present embodiment one provides, by setting array 100, PCS units 200, UPS
Unit 300 and thyristor operation bypass 400 form duplex feeding route, to ensure the reliability of important load power supply.
Specifically, when mains-supplied is in the default paddy electricity period, utility grid passes through thyristor operation bypass 400
It powers to important load；Meanwhile PCS units 200 obtain electric energy from utility grid, charge to array 100；UPS units
300 keep output voltage consistent with utility grid voltage, inactivity output；When mains-supplied is in the default ordinary telegram period
When, utility grid is powered by thyristor operation bypass 400 to important load；PCS units 200 are disconnected with utility grid, and UPS is mono-
Member 300 keeps output voltage consistent with utility grid voltage, inactivity output, to ensure to be in the peak electric period in mains-supplied
Or there is temporary drop, temporary liter, power failure in emergency circumstances to utility grid voltage in section at any time, the power supply of important load
Array can be quickly switched to power by UPS units 300, greatly improve the power supply reliability of important load.
Referring to Fig. 2, the uninterrupted energy storage for power supply system of the offer of the utility model embodiment two, in the base of above-described embodiment one
Inspection travel bypass 500 is further included on plinth；
500 connection utility grids and important load of inspection travel bypass, for array 100, PCS units 200,
When UPS units 300 or thyristor operation 400 at least one maintenance of bypass, power to important load.For example, work as thyristor
When operation bypass 400 needs maintenance, utility grid is powered by inspection travel bypass 500 to important load.
The paddy electricity period is in when powering mode operates in mains-supplied, between using local peak valley usually according to system
Section sets 200 charged state in different time periods of PCS units and 300 discharge condition in different time periods of UPS units.When in
During the paddy electricity period, alternating current input is charged by PCS units 200 to array 100, while alternating current input is transported by thyristor
Row bypass 400 is powered to important load, and control UPS units 300 keep output voltage consistent with utility grid voltage, but do not export
Power, with ensure to be in the peak electric period in mains-supplied or utility grid voltage occur temporary drop, temporarily rise, power failure it is urgent
In the case of, the power supply of important load can quickly be switched to array 100 and be powered by UPS units 300.
The ordinary telegram period is in when powering mode operates in mains-supplied, between using local peak valley usually according to system
Section sets 200 charged state in different time periods of PCS units and 300 discharge condition in different time periods of UPS units.Work as alternating current
When power supply is in the ordinary telegram period, mains supply is disconnected with PCS units 200, and alternating current does not charge to array 100, alternating current electricity
Source is powered completely by thyristor operation bypass 400 to important load, and control UPS units 300 keep output voltage and alternating current electricity
Net voltage is consistent, but not output power, ensures to be in the peak electric period in mains-supplied or temporary drop, temporarily occurs in utility grid voltage
In emergency circumstances, the power supply of important load can quickly be switched to array 100 and pass through UPS units for liter, power failure
300 power supplies.
The peak electric period is in when powering mode operates in mains-supplied, between using local peak valley usually according to system
Section sets 200 charged state in different time periods of PCS units and 300 discharge condition in different time periods of UPS units.When in
During the peak electricity period, mains supply is disconnected with PCS units 200, while thyristor operation bypass 400 is also disconnected with mains supply,
Mains supply is not powered completely to important load, at this point, 300 output power of UPS units, the power supply of important load pass through electricity completely
The electric discharge power supply of pond array 100, when mains-supplied peak, the electric period terminates, and control UPS output voltages are still kept and alternating current
Network voltage is consistent, and realizes thyristor operation 400 simultaneous interconnectings of bypass, and the output power of UPS units 300 gradually decreases, directly
Most zero, mains supply is powered again through thyristor operation bypass 400 to important load.
There is temporary drop, temporary liter, power failure in emergency circumstances when powering mode operates in utility grid voltage, no matter this
When mains-supplied be in peak valley and put down which period, thyristor operation bypass 400 disconnects, and mains supply is not completely to important load
Power supply, 300 output power of UPS units, the power supply of important load is powered completely by the electric discharge of array 100, more than
After emergency, control UPS 300 output voltages of unit are consistent with utility grid voltage, and realize thyristor operation bypass
400 simultaneous interconnectings, the output power of UPS units 300 gradually decrease, until being zero, mains supply is run again through thyristor
Bypass 400 is powered to important load.
When powering mode operates in thyristor operation bypass 400, array 100, PCS units 200 or UPS units 300
At least one is needed in the case of overhauling, and mains supply is disconnected with thyristor operation bypass 400 at this time, and mains supply passes through
Inspection travel bypass 500 is powered to important load.After maintenance, corresponding Working mould is switched to according to the corresponding period
Formula.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
The detailed description of step, it should be understood that the foregoing is merely specific embodiment of the utility model, are not used to limit this reality
With new protection domain.Particularly point out, to those skilled in the art, it is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of uninterrupted energy storage for power supply system, which is characterized in that including array, PCS units, UPS units and brilliant lock
Pipe operation bypass；
The array connects PCS units and UPS units respectively；
The PCS units connect utility grid, for when mains-supplied is in the default paddy electricity period, from utility grid
Middle acquisition electric energy is simultaneously sent to the array and is stored；
The UPS units connect important load, for mains-supplied be abnormal or mains-supplied be in default peak electric
During the period, electric energy is obtained from the array, is powered to important load；
The thyristor operation bypass, connects utility grid and important load, for when mains-supplied is in default paddy electricity
Between section or during the ordinary telegram period, power to important load.
2. uninterrupted energy storage for power supply system according to claim 1, which is characterized in that further include inspection travel bypass；
The inspection travel bypass, connects utility grid and important load, for mono- in the array, PCS units, UPS
When member or thyristor operation bypass maintenance, power to important load.
3. uninterrupted energy storage for power supply system according to claim 1, which is characterized in that mains-supplied is abnormal including city
The temporary drop of piezoelectric voltage temporarily rises or interrupts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721323606.4U CN207459822U (en) | 2017-10-13 | 2017-10-13 | A kind of uninterrupted energy storage for power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721323606.4U CN207459822U (en) | 2017-10-13 | 2017-10-13 | A kind of uninterrupted energy storage for power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207459822U true CN207459822U (en) | 2018-06-05 |
Family
ID=62252289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721323606.4U Active CN207459822U (en) | 2017-10-13 | 2017-10-13 | A kind of uninterrupted energy storage for power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207459822U (en) |
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2017
- 2017-10-13 CN CN201721323606.4U patent/CN207459822U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311300 No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee after: Zhejiang Nandu energy Internet Co.,Ltd. Address before: 311300 No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee before: ZHEJIANG NANDU ENERGY INTERNET OPERATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311300 No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee after: Zhejiang Nandu Energy Technology Co.,Ltd. Address before: 311300 No.72, landscape Avenue, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG NARADA POWER SOURCE Co.,Ltd. Patentee before: Zhejiang Nandu energy Internet Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |