CN203984271U - A kind of based on numerically controlled bidirectional energy-storage converter device - Google Patents
A kind of based on numerically controlled bidirectional energy-storage converter device Download PDFInfo
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- CN203984271U CN203984271U CN201320707991.8U CN201320707991U CN203984271U CN 203984271 U CN203984271 U CN 203984271U CN 201320707991 U CN201320707991 U CN 201320707991U CN 203984271 U CN203984271 U CN 203984271U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
It is a kind of based on numerically controlled bidirectional energy-storage converter device that the utility model provides, comprise main circuit, control circuit, peripheral circuit and host computer, main circuit comprises the grid-connected transformer connecting successively, ac filter circuit, PEBB (Power Electronic Building Block) module and DC filtering circuit, grid-connected transformer is connected with electrical network end, DC filtering circuit is connected with energy-storage battery end, control circuit comprises DSP and the FPGA that interconnects communication, peripheral circuit comprises drive circuit, sample circuit and telecommunication circuit, the AC of main circuit is connected with DSP by sample circuit with the signal acquisition point of DC side, FPGA is connected with the drive end of PEBB module by drive circuit, DSP is also connected communication with host computer by telecommunication circuit.What the utility model provided is a kind of based on numerically controlled bidirectional energy-storage converter device, in control circuit, DSP, as processor, adopts FPGA auxiliary DSP simultaneously, has improved the processing speed of DSP, and improved read-write efficiency, prevent that interference signal from affecting the precision of DSP.
Description
Technical field
The utility model relates to energy storage technology field, is specifically related to a kind of based on numerically controlled bidirectional energy-storage converter device.
Background technology
Power production process carries out continuously, and generating, transmission of electricity, power transformation, distribution, electricity consumption must keep balance constantly; There is peak-valley difference in the load of electric power system, must leave very large reserve capacity, causes system equipment operational efficiency low.Application energy storage technology can improve system reliability and stability to load peak load shifting, reduces system reserve demand and loss of outage.In addition, along with the expanding day of generation of electricity by new energy scale and the development of distributed generation technology, the importance of electric energy storing system also highlights day by day.At present in energy storage technology, batteries to store energy is the most ripe, the most reliable energy storage technology at present, and in batteries to store energy technology, most critical be the design of converter device.Converter device not only will meet the requirement of being incorporated into the power networks, also as far as possible simplified design, improve performance.
Utility model content
The utility model relates to a kind of based on numerically controlled bidirectional energy-storage converter device, described bidirectional energy-storage converter device comprises main circuit, control circuit, peripheral circuit and host computer, and described control circuit is connected with host computer with described main circuit by described peripheral circuit;
Described main circuit comprises grid-connected transformer, ac filter circuit, PEBB module and the DC filtering circuit connecting successively;
Described control circuit comprises DSP and the FPGA that interconnects communication;
Described peripheral circuit comprises drive circuit, sample circuit and telecommunication circuit;
The AC of described main circuit is connected with described DSP by described sample circuit with the signal acquisition point of DC side, and described FPGA is connected with the drive end of described PEBB module by described drive circuit;
Described DSP is also connected communication by described telecommunication circuit with described host computer.
In the first preferred embodiment that the utility model provides: described grid-connected transformer is connected with electrical network end, whole device is linked in electrical network by described grid-connected transformer, described grid-connected Circuit Fault on Secondary Transformer is connected with described PEBB module by described ac filter circuit, and the DC side of described PEBB module is connected with energy-storage battery end by described DC filtering circuit.
In the second preferred embodiment that the utility model provides: described peripheral circuit also comprises power circuit, clock circuit and the protective circuit being connected with described control circuit;
Described power circuit provides the DC power supply of different magnitudes of voltage for described control circuit and other peripheral circuit, and described clock circuit provides normal work required external timing signal for described DSP and described FPGA.
In the 3rd preferred embodiment that the utility model provides: described PEBB module adopts the Skiip613GD123-3DUL module of Semikron company.
In the 4th preferred embodiment that the utility model provides: described DSP adopts the TMS320F2812 of TI company.
In the 5th preferred embodiment that the utility model provides: described FPGA adopts the EP1C6Q240I7 of altera corp.
A kind of beneficial effect based on numerically controlled bidirectional energy-storage converter device that the utility model provides comprises:
What the utility model provided is a kind of based on numerically controlled bidirectional energy-storage converter device, and whole device is linked in electrical network by this grid-connected transformer, and grid-connected transformer can isolated converters device and electrical network, prevents from influencing each other.Grid-connected Circuit Fault on Secondary Transformer is connected with PEBB module by ac filter circuit, the DC side of PEBB module is connected with energy-storage battery end by DC filtering circuit, PEBB module mainly realizes the Bidirectional variable-flow of rectification, inversion as power device, DC side is all connected filter circuit with the harmonic component of filtering certain frequency with AC, control circuit comprises DSP and the FPGA that interconnects communication, DSP is as processor, adopt FPGA auxiliary DSP simultaneously, improved the processing speed of DSP, and improved read-write efficiency, prevent that interference signal from affecting the precision of DSP.
Accompanying drawing explanation
Be illustrated in figure 1 a kind of structural representation based on numerically controlled bidirectional energy-storage converter device that the utility model provides;
Be illustrated in figure 2 the flow chart of embodiment of the control procedure of a kind of control circuit based on numerically controlled bidirectional energy-storage converter device that the utility model provides.
Embodiment
With reference to the accompanying drawings embodiment of the present utility model is described in further detail below.
It is a kind of based on numerically controlled bidirectional energy-storage converter device that the utility model provides, its structural representation as shown in Figure 1, as shown in Figure 1, this bidirectional energy-storage converter device comprises main circuit, control circuit, peripheral circuit and host computer, and control circuit is connected with host computer with main circuit by peripheral circuit.Main circuit comprises grid-connected transformer, ac filter circuit, PEBB module and the DC filtering circuit connecting successively.
Control circuit comprises DSP and the FPGA that interconnects communication.Peripheral circuit comprises drive circuit, sample circuit and telecommunication circuit.The AC of main circuit is connected with DSP by sample circuit with the signal acquisition point of DC side, and FPGA is connected with the drive end of PEBB module by drive circuit.DSP is also connected communication with host computer by telecommunication circuit.In control circuit, DSP, as processor, adopts FPGA auxiliary DSP simultaneously, has improved the processing speed of DSP, and has improved read-write efficiency, prevents that interference signal from affecting the precision of DSP.
Further, grid-connected transformer is connected with electrical network end, and whole device is linked in electrical network by this grid-connected transformer, and grid-connected transformer can isolated converters device and electrical network, prevents from influencing each other.Grid-connected Circuit Fault on Secondary Transformer is connected with PEBB module by ac filter circuit, the DC side of PEBB module is connected with energy-storage battery end by DC filtering circuit, PEBB module mainly realizes the Bidirectional variable-flow of rectification, inversion as power device, DC side is all connected filter circuit with the harmonic component of filtering certain frequency with AC.
Peripheral circuit also comprises power circuit, clock circuit and the protective circuit being connected with control circuit; power circuit provides the DC power supply of different magnitudes of voltage for control circuit and other peripheral circuit, and clock circuit provides normal work required external timing signal for DSP and FPGA.
The controlled circuit of work of PEBB module is controlled, and during work, sample circuit gathers the voltage and current signal of main circuit and delivers to DSP, DSP carries out computing according to control command and sampled signal, send the constantly PWM ripple of conversion of duty ratio, after FPGA and drive circuit processing, drive the work of PEBB module.FPGA real-time acquisition system working state signal, when the protective circuit of PEBB module produces overcurrent or overheat protector signal, signal is delivered to DSP after being processed by FPGA, locking PWM output, protection PEBB module.
PEBB module can adopt the Skiip613GD123-3DUL module of Semikron company.DSP can adopt the TMS320F2812 of TI company.FPGA can adopt the EP1C6Q240I7 of altera corp.
Be illustrated in figure 2 the flow chart of embodiment of the control procedure of a kind of control circuit based on numerically controlled bidirectional energy-storage converter device that the utility model provides, as shown in Figure 2, in control procedure, first carry out initialization, comprise system initialization, the initialization of peripheral interrupt controller, the initialization of peripheral interrupt vector table, I/O initialization, RS232 initialization, SPI initialization, timer initialization, sampling module initialization etc.Complete after initialization, carry out major cycle, in each circulation, first process the data that host computer sends, comprise arranging of switching on and shutting down signal and system operational parameters etc.; Then judge whether signal sampling completes, if complete, sampled result is upgraded, and skips as unfinished; Then judge whether system is in open state, if start shooting and skip, as do not started shooting reexamine whether receive starting-up signal; Then judge whether host computer sends off signal, if receive off signal, start shutdown action, as do not received, off signal enters running status.In running status, first pass through just phase angle lock of software phase-lock loop, according to operational mode, carry out rectification or inversion action, computing obtains timer comparand register renewal value, be used for regulating PWM1-6 output to control PEBB module, realize current transformer the charging and discharging of energy-storage battery is controlled, after PWM output, return to host computer data receiver handling procedure and enter controlled circulation next time.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. one kind based on numerically controlled bidirectional energy-storage converter device, it is characterized in that, described bidirectional energy-storage converter device comprises main circuit, control circuit, peripheral circuit and host computer, and described control circuit is connected with host computer with described main circuit by described peripheral circuit;
Described main circuit comprises grid-connected transformer, ac filter circuit, PEBB module and the DC filtering circuit connecting successively;
Described control circuit comprises DSP and the FPGA that interconnects communication;
Described peripheral circuit comprises drive circuit, sample circuit and telecommunication circuit;
The AC of described main circuit is connected with described DSP by described sample circuit with the signal acquisition point of DC side, and described FPGA is connected with the drive end of described PEBB module by described drive circuit;
Described DSP is also connected communication by described telecommunication circuit with described host computer.
2. bidirectional energy-storage converter device as claimed in claim 1, it is characterized in that, described grid-connected transformer is connected with electrical network end, whole device is linked in electrical network by described grid-connected transformer, described grid-connected Circuit Fault on Secondary Transformer is connected with described PEBB module by described ac filter circuit, and the DC side of described PEBB module is connected with energy-storage battery end by described DC filtering circuit.
3. bidirectional energy-storage converter device as claimed in claim 1, is characterized in that, described peripheral circuit also comprises power circuit, clock circuit and the protective circuit being connected with described control circuit;
Described power circuit provides the DC power supply of different magnitudes of voltage for described control circuit and other peripheral circuit, and described clock circuit provides normal work required external timing signal for described DSP and described FPGA.
4. bidirectional energy-storage converter device as claimed in claim 1, is characterized in that, described PEBB module adopts the Skiip613GD123-3DUL module of Semikron company.
5. bidirectional energy-storage converter device as claimed in claim 1, is characterized in that, described DSP adopts the TMS320F2812 of TI company.
6. bidirectional energy-storage converter device as claimed in claim 1, is characterized in that, described FPGA adopts the EP1C6Q240I7 of altera corp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707991.8U CN203984271U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage converter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707991.8U CN203984271U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage converter device |
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| CN203984271U true CN203984271U (en) | 2014-12-03 |
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| CN201320707991.8U Expired - Lifetime CN203984271U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage converter device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742960A (en) * | 2018-11-26 | 2019-05-10 | 北京国电通网络技术有限公司 | A kind of control method of household energy accumulation current converter and household energy accumulation current converter |
-
2013
- 2013-11-11 CN CN201320707991.8U patent/CN203984271U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742960A (en) * | 2018-11-26 | 2019-05-10 | 北京国电通网络技术有限公司 | A kind of control method of household energy accumulation current converter and household energy accumulation current converter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |
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| CX01 | Expiry of patent term |