CN109560718A - High energy efficiency adaptive input type feedback power system - Google Patents
High energy efficiency adaptive input type feedback power system Download PDFInfo
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- CN109560718A CN109560718A CN201811444188.3A CN201811444188A CN109560718A CN 109560718 A CN109560718 A CN 109560718A CN 201811444188 A CN201811444188 A CN 201811444188A CN 109560718 A CN109560718 A CN 109560718A
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 58
- 230000002441 reversible effect Effects 0.000 claims abstract description 37
- 230000003993 interaction Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 1
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- 230000005611 electricity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
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- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of high energy efficiency adaptive input type feedback power systems, it include: that adaptive parallel network reverse unit is equipped with output end and ac input end, output end sequentially with pre- steady unit is isolated, buck adjustment unit is electrically connected, the output end of buck adjustment unit connects measurand；Embedded control unit respectively with adaptive parallel network reverse unit, be isolated pre- steady unit, buck adjustment unit be electrically connected, can set, acquire and control each unit；Man-machine interaction unit and external interface unit are electrically connected with embedded control unit respectively.The system circuit kit realizes power supply and loading functional simultaneously, and small in size, system is simple；Adaptive single-phase or three-phase alternating current input and grid-connected output improve system suitability without switching by hand；Same set of closed-loop control can achieve seamless power supply and loading functional switching, dead zone voltage be not present, and may improve output accuracy and response speed.
Description
Technical field
The present invention relates to DC power supply, electrical load devices field more particularly to a kind of high energy efficiency adaptive input types to return
Feed source system.
Background technique
It is used in the military equipments such as radar, guided missile, vehicle-mounted (carrier-borne, airborne) equipment, military communication, measurement control each
Kind High-accuracy direct current stabilized power supply；The occasions such as the development of power supply, maintenance support and metrology and measurement require various in weaponry
The electronic load of type.
The demand of domestic military research and production unit and army to high energy efficiency adaptive input type feedback power system is very
Urgently.The DC stable power supply and DC Electronic Loads of conventional are respectively two sets of equipment, and wherein electronic load is using linear
Scheme and energy dissipation device.But have the following problems when the complete use of the two: 1) volume is big, and system is corpulent；2) electric energy is all converted
It is wasted for heat；3) two sets of equipment and control cannot reach seamless power supply and loading functional switching；4) exchange input
Outlet side does not have single-phase three-phase adaptivity；5) incompatible 50/60Hz is exchanged with 400Hz outputs and inputs.Therefore, how to solve
The certainly above problem provides a kind of high energy efficiency feedback power system, is in military testing field urgent problem.
Summary of the invention
Based on the problems of prior art, the object of the present invention is to provide a kind of high energy efficiency adaptive input type feedbacks
Power-supply system can reach seamless power supply and loading functional switching, dead zone voltage is not present, and may improve output accuracy and
Response speed.
The purpose of the present invention is what is be achieved through the following technical solutions:
Embodiment of the present invention provides a kind of high energy efficiency adaptive input type feedback power system, comprising:
Adaptive parallel network reverse unit, the pre- steady unit of isolation, buck adjustment unit, embedded control unit, man-machine friendship
Mutual unit and external interface unit；Wherein,
The adaptive parallel network reverse unit is equipped with output end and ac input end, and the output end is sequentially isolated with described
Pre- steady unit, the electrical connection of buck adjustment unit, the output end of the buck adjustment unit connect measurand；
The embedded control unit respectively with the adaptive parallel network reverse unit, pre- steady unit, buck tune is isolated
Whole unit electrical connection can set, acquire and control the adaptive parallel network reverse unit, the pre- steady unit of isolation, buck tune
Whole unit；
The man-machine interaction unit and external interface unit are electrically connected with the embedded control unit respectively.
As seen from the above technical solution provided by the invention, high energy efficiency adaptive input provided in an embodiment of the present invention
Type dual quadrant feedback power system, it has the advantage that:
By the way that sequentially connected adaptive parallel network reverse unit is arranged, pre- steady unit, buck adjustment unit is isolated, and by
Embedded control unit cooperates man-machine interaction unit, and it is reversible transducer topology knot that the units such as pre- steady unit, which are isolated, due to setting
Convert alternating current can not only be transformed to directly by structure so that the power-supply system realizes power supply and loading functional simultaneously with circuit kit
Galvanic electricity, public electric wire net or local power grid can be fed back to by absorbing energy, and energy is reusable, and the power-supply system is small in size, be lowered
System complexity；And same set of closed-loop control can achieve seamless power supply and loading functional switching, and there is no dead zone electricity
Pressure, and output accuracy and response speed may be improved；The setting of adaptive parallel network reverse unit, it can be achieved that it is adaptive single-phase or
Three-phase alternating current input and grid-connected output improve system suitability without switching by hand.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that high energy efficiency adaptive input type feedback power system provided in an embodiment of the present invention constitutes schematic diagram；
Fig. 2 is the dual quadrant operation schematic diagram of feedback power system provided in an embodiment of the present invention；
Fig. 3 is the adaptive parallel network reverse unit electrical schematic diagram of feedback power system provided in an embodiment of the present invention；
Fig. 4 is exchange side single-phase input/output voltage current waveform of feedback power system provided in an embodiment of the present invention
Figure；
Fig. 5 is that feedback power system provided in an embodiment of the present invention exchanges side three-phase input/output voltage current waveform figure；
Fig. 6 is the pre- steady unit electrical schematic diagram of isolation of feedback power system provided in an embodiment of the present invention；
Fig. 7 is the buck adjustment unit electrical schematic diagram of feedback power system provided in an embodiment of the present invention；
Fig. 8 is human-computer interaction and the external interface unit functional block diagram of feedback power system provided in an embodiment of the present invention；
Panel figure is locally displayed for feedback power system provided in an embodiment of the present invention in Fig. 9.
Figure 10 is the remote control interface schematic diagram of feedback power system provided in an embodiment of the present invention.
Specific embodiment
Below with reference to particular content of the invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
Belong to protection scope of the present invention.The content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field
The well known prior art.
As shown in Figure 1, the embodiment of the present invention provides a kind of high energy efficiency adaptive input type feedback power system, comprising:
Adaptive parallel network reverse unit, the pre- steady unit of isolation, buck adjustment unit, embedded control unit, man-machine friendship
Mutual unit and external interface unit；Wherein,
The adaptive parallel network reverse unit is equipped with output end and ac input end, and the output end is sequentially isolated with described
Pre- steady unit, the electrical connection of buck adjustment unit, the output end of the buck adjustment unit connect measurand 8；
The embedded control unit respectively with the adaptive parallel network reverse unit, pre- steady unit, buck tune is isolated
Whole unit electrical connection can set, acquire and control the adaptive parallel network reverse unit, the pre- steady unit of isolation, buck tune
Whole unit；
The man-machine interaction unit and external interface unit are electrically connected with the embedded control unit respectively.
Referring to Fig. 1, in above-mentioned power-supply system, adaptive parallel network reverse unit includes:
Filter circuit, lower programmed circuit, three-phase inversion bridge circuit and exchange side detection circuit for access；Wherein,
The input terminal of the filter circuit is ac input end, and the output end of the filter circuit is successively electric with the lower programming
Road is connected with three phase inverter bridge circuit electrical；
The exchange side detection circuit for access and three-phase inversion bridge circuit are electrical with the input terminal of the filter circuit respectively
Connection, the exchange side detection circuit for access and the embedded control unit are electrically connected, the embedded control unit energy root
The three phase inverter bridge circuit conversion is controlled to right according to the AC input modes signal of the exchange side detection circuit for access detection
The inverting answered.
Specifically, the circuit of the adaptive parallel network reverse unit is constituted as shown in figure 3, by exchange side LCL filter and company
Connect being made of after the filter three pairs of IGBT/MOSFET power component synthesis three-phase half-bridge topologies, the DC side of the unit
Voltage are as follows: 680Vdc.In the composition circuit of the adaptive parallel network reverse unit, with full-control type power switch instead of half control type function
Rate switch or diode, are rectified with PWM copped wave instead of phase control rectifier or uncontrollable rectifier.This design keeps whole system simultaneous
Appearance 50/60Hz exchanges side frequency with 400Hz's；And the unit include AC detection circuit, be capable of detecting when exchange side be with
Single-phase or three-phase mode accesses, and control embedded control unit can according to the signal that detection obtains adaptive grid-connected inverse
Three half-bridge topology units for becoming unit are worked with corresponding inverting, in this way the work in a manner of single-phase inversion or three-phase inversion
Make.Side especially is exchanged when user is accessed by zero fiery uniphase mode (i.e. in a manner of L, N), can pre-set and connect in man-machine interaction unit
Enter information, can be by relay automatic switch-over circuit after the completion of system detection, and change DC bus-bar voltage.Above-mentioned feedback power
Exchange side single-phase input/output voltage current waveform figure of system is as shown in figure 4, exchange side three-phase input/output voltage electric current
Waveform diagram is as shown in Figure 5.Specifically, major power pipe is Infineon FF200R12KS4 in the circuit, inductance is 680 μ H, choosing
Select the c-type amorphous magnetic core of safe and sound company.
In above-mentioned feedback power system, it includes: circuit of synchronous rectification, bridge circuit and input filter electricity that pre- steady unit, which is isolated,
Road；Wherein, the output end of the input terminal of the circuit of synchronous rectification and the adaptive parallel network reverse unit is electrically connected, this is same
The output end of step rectification circuit is sequentially connect with the bridge circuit and input filter circuit.
In above-mentioned feedback power system, buck adjustment unit includes:
Circuit of synchronous rectification, step-up/step-down circuit and input filter circuit；Wherein,
Pre- steady unit electrical connection is isolated with described in the input terminal of the circuit of synchronous rectification；
The input terminal of the circuit of synchronous rectification is sequentially electrically connected with the step-up/step-down circuit and input filter circuit；
The output end of the input filter circuit connects measurand.
In above-mentioned feedback power system, embedded control unit includes:
Module, single-phase occurs for digital P WM module, accurate synchro measure module, power quality conditioning module, function waveform
With three-phase control module and grid-connected strategic control module.These functional modules are integrated in embedded control unit, are realized embedding
Enter the control function of formula control unit.Specifically, embedded control unit can generate electricity by initialization circuit, sample circuit, PWM
Road, driving circuit, protection circuit and cascade flow equalizing circuit composition.
In above-mentioned feedback power system, man-machine interaction unit includes: interface display module, encoder control module, touch
Key module and buzzer control module；Wherein,
The interface display module, touch key-press module and buzzer control module respectively with the encoder control module
Electrical connection.
In above-mentioned feedback power system, interface display module is equipped with OLED touch display screen, it is preferred to use 4.3 inches of touching
Touch display screen.
In above-mentioned feedback power system, communication interface subelement includes: LAN interface, USB interface, RS485 interface, RS232
Interface and gpib interface.
Above-mentioned feedback power system further include: auxiliary power supply circuit 7, the adaptive parallel network reverse unit is through auxiliary power supply
Circuit is electrically connected with the embedded control unit and man-machine interaction unit respectively.
In above-mentioned power-supply system, adaptive parallel network reverse unit, the pre- steady unit of isolation and three lists of buck adjustment unit
Member constitutes the power section of entire power-supply system；Man-machine interaction unit is used for the man-machine interaction panel of management system, and outside connects
Mouth unit provides the remote communication interfaces such as USB, LAN, GPIB, RS485.
The embodiment of the present invention is specifically described in further detail below.
As shown in Figure 1, the embodiment of the present invention provides a kind of high energy efficiency adaptive input type feedback power system, be it is a kind of both
Direct current output may be implemented, and can be realized the comprehensive power-supply system of load energy feedback voltage.System can be adaptively single
Mutually or three-phase alternating current inputs and grid-connected output；A-c cycle is compatible with 50/60Hz and 400Hz, without switching by hand；Power supply and negative
Function seamless switching is carried, dual quadrant is run as shown in Fig. 2, having very strong adaptability；The power-supply system includes:
Adaptive parallel network reverse unit, the pre- steady unit of isolation, buck adjustment unit, embedded control unit, man-machine friendship
Mutual unit and external interface unit；Wherein,
The adaptive parallel network reverse unit, which is equipped with, connects single-phase or three-phase alternating current ac input end, this is adaptively simultaneously
The output end of net inversion unit unit sequentially be isolated pre- steady unit, buck adjustment unit be electrically connected, the buck tune
The output end of whole unit connects measurand；
The embedded control unit respectively with the adaptive parallel network reverse unit, pre- steady unit, buck tune is isolated
Whole unit electrical connection provides setting, acquisition and control signal for the unit of above three power section；
The man-machine interaction unit and external interface unit and the embedded control unit are electrically connected, for managing system
The remote communication interfaces such as the man-machine interaction panel of system and USB, LAN, GPIB, RS485.
In above-mentioned feedback power system, adaptive parallel network reverse unit is as shown in figure 3, by exchange side LCL filter and company
Connect being made of after the filter three pairs of IGBT/MOSFET power component synthesis three-phase half-bridge topologies, the DC side of the unit
Voltage are as follows: 680Vdc.In the composition circuit of the adaptive parallel network reverse unit, with full-control type power switch instead of half control type function
Rate switch or diode, are rectified with PWM copped wave instead of phase control rectifier or uncontrollable rectifier.The design is compatible with whole system
50/60Hz exchanges side frequency with 400Hz's；And the unit includes AC detection circuit, is capable of detecting when that exchange side is with list
Mutually or three-phase mode accesses, and thus information embedded control unit can control the three and half of adaptive parallel network reverse unit
Bridge topology is worked in a manner of single-phase inversion or three-phase inversion.Especially when user is by zero fiery uniphase mode (i.e. in a manner of L, N)
Access exchange side, can pre-set access information by plate in front, after the completion of system detection can by relay automatic switch-over circuit,
And change DC bus-bar voltage.The exchange side single-phase input of above-mentioned feedback power system/output voltage current waveform figure such as Fig. 4 institute
Show, exchange side three-phase input/output voltage current waveform figure is as shown in Figure 5.Specifically, major power Guan Weiying flies in the circuit
FF200R12KS4 is insulted, inductance is 680 μ H, selects the c-type amorphous magnetic core of safe and sound company.
As shown in fig. 6, in above-mentioned feedback power system, be isolated the power circuit of pre- steady unit using can will it is described adaptively
The DC power conversion of parallel network reverse unit output is the pre- steady direct current output of voltage, current double-ring adjusting, voltage regulation limits 0
~1000Vdc.The pre- steady main power conversion topologies of unit of the isolation select half-bridge or full-bridge bidirectional DC/DC topological structure.This design
Suitable for the occasion of power-supply system forward direction power supply or energy storage, negative sense energy-feedback power grid, electric current can be with two-way flow, and has
Standby to exchange the function that side is isolated with DC side, advantage is more apparent.
As shown in fig. 7, the power circuit of buck adjustment unit is non-isolated using buck in above-mentioned feedback power system
Topological structure realizes two-way function.It is BUCK buck topology when forward direction power supply, provides energy to measurand；Negative sense absorbs energy
When be converted to BOOST Boost topology, the pre- steady unit of isolation will be passed to after the energy boost of measurand, finally by energy feedback
To power grid regeneration.
In above-mentioned feedback power system, embedded control unit is by initialization circuit, sample circuit, PWM generative circuit, driving
Circuit, the protection circuits such as circuit and cascade circuit composition；Digital P WM module, accurate synchro measure mould can be divided into again by function
Module, list/three-phase control module and grid-connected strategic control module occur for block, power quality conditioning module, function waveform.Wherein,
The embedded control unit respectively with adaptive parallel network reverse unit, pre- steady unit is isolated and buck adjustment is single
The DC bus electrical connection of first three power circuit units, auxiliary power supply subelement, measurand；
The auxiliary power supply subelement respectively with the embedded control unit, adaptive parallel network reverse unit and man-machine friendship
Mutual unit electrical connection；
The conventional flush type circuit realization for being able to achieve above-mentioned function can be used in above-mentioned embedded control unit.
As shown in figure 8, the man-machine interaction unit includes: OLED interface display module, compiles in above-mentioned feedback power system
Code device control module, touch key-press module and buzzer control module；Local interface uses 4.3 cun of touch screens, local main interface
As shown in Figure 9.The pid parameter setting for including in embedded control unit, failure and warning information, by recalling hiding interface
Mode carries out related setting.
In above-mentioned feedback power system, the communication interface subelement include: LAN interface, USB interface, RS485 interface,
RS232 interface and gpib interface.
As shown in Figure 10, in feedback power system of the invention, remote interaction application SCPI standard instruction set is used
Labview writes, and the interface of different patterns can also be arranged according to actual needs.
The technical conditions of above-mentioned feedback power system are as shown in the table.
Power-supply system of the invention at least has the advantages that
1) since each unit is reversible transducer topological structure, circuit kit can realize power supply and loading functional simultaneously,
It is small in size, reduce system complexity；
2) adaptive single-phase or three-phase alternating current input and grid-connected output, are not necessarily to switching by hand, improve system suitability；
3) same set of closed-loop control can achieve seamless power supply and loading functional switching, and dead zone voltage is not present, and
Output accuracy and response speed may be improved；
4) public electric wire net or local power grid can be fed back to by absorbing energy, and energy is reusable；
5) compatible 50/60Hz exchanges input and grid-connected output with 400Hz, improves system suitability.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (9)
1. a kind of high energy efficiency adaptive input type feedback power system characterized by comprising
Adaptive parallel network reverse unit, the pre- steady unit of isolation, buck adjustment unit, embedded control unit, human-computer interaction list
Member and external interface unit；Wherein,
The adaptive parallel network reverse unit be equipped with output end and ac input end, the output end sequentially with it is described be isolated it is pre- surely
Unit, the electrical connection of buck adjustment unit, the output end of the buck adjustment unit connect measurand；
The embedded control unit respectively with the adaptive parallel network reverse unit, that pre- steady unit, buck adjustment is isolated is single
Member electrical connection can set, acquire and control the adaptive parallel network reverse unit, the pre- steady unit of isolation, buck adjustment list
Member；
The man-machine interaction unit and external interface unit are electrically connected with the embedded control unit respectively.
2. high energy efficiency adaptive input type feedback power system according to claim 1, which is characterized in that described adaptive
Parallel network reverse unit includes:
Filter circuit, lower programmed circuit, three-phase inversion bridge circuit and exchange side detection circuit for access；Wherein,
The input terminal of the filter circuit be ac input end, the output end of the filter circuit successively with the lower programmed circuit and
The connection of three phase inverter bridge circuit electrical；
The exchange side detection circuit for access and three-phase inversion bridge circuit are electrically connected with the input terminal of the filter circuit respectively,
The exchange side detection circuit for access and the embedded control unit are electrically connected, and the embedded control unit can be according to
The AC input modes signal for exchanging the detection of side detection circuit for access controls the three phase inverter bridge circuit conversion to corresponding inverse
Change mode.
3. high energy efficiency adaptive input type feedback power system according to claim 1 or 2, which is characterized in that it is described every
Include: from pre- steady unit
Circuit of synchronous rectification, bridge circuit and input filter circuit；Wherein,
The output end of the input terminal of the circuit of synchronous rectification and the adaptive parallel network reverse unit is electrically connected, this synchronizes whole
The output end of current circuit is sequentially connect with the bridge circuit and input filter circuit.
4. high energy efficiency adaptive input type feedback power system according to claim 1 or 2, which is characterized in that the liter
Being depressured adjustment unit includes:
Circuit of synchronous rectification, step-up/step-down circuit and input filter circuit；Wherein,
Pre- steady unit electrical connection is isolated with described in the input terminal of the circuit of synchronous rectification；
The input terminal of the circuit of synchronous rectification is sequentially electrically connected with the step-up/step-down circuit and input filter circuit；
The output end of the input filter circuit connects measurand.
5. high energy efficiency adaptive input type feedback power system according to claim 1 or 2, which is characterized in that described embedding
Entering formula control unit includes:
Module, list and three-phase occur for digital P WM module, accurate synchro measure module, power quality conditioning module, function waveform
Control module and grid-connected strategic control module.
6. high energy efficiency adaptive input type feedback power system according to claim 1 or 2, which is characterized in that the people
Machine interactive unit includes: interface display module, encoder control module, touch key-press module and buzzer control module；Wherein,
The interface display module, touch key-press module and buzzer control module are electrical with the encoder control module respectively
Connection.
7. high energy efficiency adaptive input type feedback power system according to claim 6, which is characterized in that the interface is aobvious
Show that module is equipped with OLED touch display screen.
8. high energy efficiency adaptive input type feedback power system according to claim 1 or 2, which is characterized in that described logical
Communication interface subelement includes: LAN interface, USB interface, RS485 interface, RS232 interface and gpib interface.
9. high energy efficiency adaptive input type dual quadrant feedback power system according to claim 1 or 2, which is characterized in that
Further include: auxiliary power supply circuit, the adaptive parallel network reverse unit through auxiliary power supply circuit respectively with the embedded Control
Unit and man-machine interaction unit electrical connection.
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| CN111262216A (en) * | 2020-01-02 | 2020-06-09 | 北京大华无线电仪器有限责任公司 | High-speed source-borne protection device with far-end compensation |
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| CN102832639A (en) * | 2012-08-29 | 2012-12-19 | 华南理工大学 | DSP (digital signal processor) based energy-feedback electronic load grid-connected inverting system and control method thereof |
| US20160329705A1 (en) * | 2013-12-18 | 2016-11-10 | Thales | Modular and reconfigurable electrical power conversion device |
| CN107222121A (en) * | 2017-05-25 | 2017-09-29 | 太原理工大学 | A kind of autonomous progress control method of bidirectional power converter |
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| CN111262216A (en) * | 2020-01-02 | 2020-06-09 | 北京大华无线电仪器有限责任公司 | High-speed source-borne protection device with far-end compensation |
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