CN204013276U - A kind of based on numerically controlled bidirectional energy-storage current transformer hardware system - Google Patents
A kind of based on numerically controlled bidirectional energy-storage current transformer hardware system Download PDFInfo
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- CN204013276U CN204013276U CN201320707984.8U CN201320707984U CN204013276U CN 204013276 U CN204013276 U CN 204013276U CN 201320707984 U CN201320707984 U CN 201320707984U CN 204013276 U CN204013276 U CN 204013276U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 60
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 50
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000013078 crystal Substances 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 5
- 230000001012 protector Effects 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
It is a kind of based on numerically controlled bidirectional energy-storage current transformer hardware system that the utility model provides, the peripheral circuit and the upper computer control module that comprise DSP, FPGA, be connected communicate by letter with DSP with FPGA; Two controllers of DSP and FPGA are connected with the data/address bus of 19 by the address bus of 16, and all IO mouths of DSP are all connected with FPGA; Peripheral circuit comprises electric current and voltage sample circuit, power tube drive circuit, power valve protective circuit, host computer and slave computer telecommunication circuit; Electric current and voltage sample circuit is measured each road voltage and current signal and is delivered to DSP and carry out sampling processing; Power tube drive circuit drives signal to carry out delivering to after power amplification the main power circuit of bidirectional energy-storage current transformer to the power tube PWM of FPGA output; Overcurrent protection signal and overheat protector signal that power valve protective circuit gathers the IGBT module output of bidirectional energy-storage current transformer transfer to FPGA; DSP is connected communication by host computer with the telecommunication circuit of slave computer with upper computer control module.The one that the utility model provides is based on numerically controlled bidirectional energy-storage current transformer hardware system.
Description
Technical field
The utility model relates to large-scale electric energy storage and electrical network new forms of energy access technology field, is specifically related to a kind of based on numerically controlled bidirectional energy-storage current transformer hardware system.
Background technology
The appearance of large capacity energy storage technology has overturned with development the concept that in conventional electric power system, electric energy can not be stored in a large number, the effect of " peak load shifting " has been played in the foundation of high-capacity power energy storage device on the one hand to the reasonable application of electrical network, can improve power supply reliability and the quality of power supply of electric power system, on the other hand the safe and reliable access electrical network of the intermittent formula renewable energy power generation such as wind energy and solar energy played to key effect.Send out because extensive energy-storage system can run through electric power system, defeated, join, the links of use, not only conventional electric power is played and improved and improving effect, and the development of energy storage technology and application also bring revolutionary variation by the aspect such as planning, design, layout and operational management of giving intelligent grid.
Energy accumulation current converter is as the connectionist of electrical network and energy-storage battery, bearing the important task that battery charging and electric energy return net, be one of key equipment in electric energy storing system, the stable operation of security performance, useful life and the electrical network of the quality of its output voltage electric current to chemical cell plays vital effect; Its operational mode, control precision and response speed direct relation the performance of whole energy-storage system.Along with battery energy storage large scale system is integrated, the developing rapidly of extensive battery energy storage power station, electrical network also will rise to a higher level to the requirement of energy accumulation current converter performance.
Utility model content
The utility model relates to a kind of based on numerically controlled bidirectional energy-storage current transformer hardware system, and described bidirectional energy-storage current transformer hardware system comprises DSP, FPGA, peripheral circuit and the upper computer control module of communication are connected with FPGA with DSP;
Two controllers of described DSP and FPGA are connected with the data/address bus of 19 by the address bus of 16, and all IO mouths of described DSP are all connected with described FPGA;
Described peripheral circuit comprises electric current and voltage sample circuit, power tube drive circuit, power valve protective circuit, host computer and slave computer telecommunication circuit;
The main power circuit other end that described electric current and voltage sample circuit one end connects described bidirectional energy-storage current transformer connects described DSP;
Described power tube drive circuit one end connects the main power circuit that the described FPGA other end connects described bidirectional energy-storage current transformer;
The IGBT module other end that described power valve protective circuit one end connects bidirectional energy-storage current transformer connects described FPGA;
Described DSP is connected communication with the telecommunication circuit of slave computer with described upper computer control module by described host computer.
In the first preferred embodiment that the utility model provides: the C2000 series TMS320F2812PGF-176 that described master controller DSP selects TI company to produce.
In the second preferred embodiment that the utility model provides: the Cyclone series EP1C6024017N that described pilot controller FPGA selects ALTERA company to produce.
In the 3rd preferred embodiment that the utility model provides: described electric current and voltage sample circuit comprises Hall voltage transducer, Hall current sensor, modulate circuit and optical coupling isolation circuit, described Hall voltage transducer is connected described DSP by described signal conditioning circuit with described optical coupling isolation circuit 1 respectively with the main power circuit other end that Hall current sensor one end is connected respectively described bidirectional energy-storage current transformer.
In the 4th preferred embodiment that the utility model provides: described power tube drive circuit comprises power amplifying device and optical coupling isolation circuit 2, between described FPGA output and described power amplifying device, isolate by described optical coupling isolation circuit 2.
In the 5th preferred embodiment that the utility model provides: described power valve protective circuit comprises optical coupling isolation circuit 3.
In the 6th preferred embodiment that the utility model provides: described peripheral circuit comprises power circuit;
Described power circuit is mainly other control circuits in DSP and FPGA and bidirectional energy-storage current transformer provides power supply to support, and comprises 1.9V, 3.3V, 5V, ± 15V, isolation mutually between different voltage.
In the 7th preferred embodiment that the utility model provides: described peripheral circuit comprises clock circuit;
Described clock circuit comprises the clock circuit of DSP and the clock circuit of FPGA, and the clock circuit of DSP is provided by the active crystal oscillator of 30MHz, and the clock circuit of FPGA is provided by the active crystal oscillator of 33MHz.
In the 8th preferred embodiment that the utility model provides: described peripheral circuit comprises ON-OFF control circuit and operating state decision circuitry;
The switch of described ON-OFF control circuit control connection current transformer radiator fan, indicator light and main power circuit circuit breaker;
Described operating state decision circuitry connects the real-time folding condition that detects the each switch of described converter system.
In the 9th preferred embodiment that the utility model provides: described peripheral circuit comprises Flash memory, SRAM memory, reset circuit, CAN BUS, EEPROM, LED array, buzzer, button, toggle switch.
A kind of beneficial effect based on numerically controlled bidirectional energy-storage current transformer hardware system that the utility model provides comprises:
1, the one that the utility model provides is based on numerically controlled bidirectional energy-storage current transformer hardware system, build based on two CPU, data-handling capacity powerful DSP and the high integration of FPGA, overprogram are combined, provide hardware supports compact, reliable, high real-time for realizing automation, the intellectuality control of current transformer.
Brief description of the drawings
Be illustrated in figure 1 a kind of structural representation being connected with main power circuit based on numerically controlled bidirectional energy-storage current transformer hardware system that the utility model provides;
The structural representation of the embodiment of a kind of structure based on numerically controlled bidirectional energy-storage current transformer hardware system providing for the utility model as Fig. 2;
Be illustrated in figure 3 that the utility model provides a kind of based on numerically controlled bidirectional energy-storage current transformer hardware system the control block diagram being connected with main power circuit;
Be illustrated in figure 4 a kind of control flow chart based on numerically controlled bidirectional energy-storage current transformer hardware system 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 current transformer hardware system that the utility model provides, its structural representation as shown in Figure 1, as shown in Figure 1, this bidirectional energy-storage current transformer hardware system comprises DSP, FPGA, is connected communicates by letter with DSP with FPGA peripheral circuit and upper computer control module.Two controllers of DSP and FPGA are connected with the data/address bus of 19 by the address bus of 16, realize high speed data transfer, strengthen both realtime controls, in addition, the all IO mouths of DSP are all connected with FPGA, input/output signal, all through FPGA deburring with cut and tremble processing, has strengthened the accuracy of controlling.
Peripheral circuit comprises electric current and voltage sample circuit, power tube drive circuit, power valve protective circuit, host computer and slave computer telecommunication circuit.The main power circuit other end that electric current and voltage sample circuit one end connects bidirectional energy-storage current transformer connects DSP; Power tube drive circuit one end connects the main power circuit that the FPGA other end connects bidirectional energy-storage current transformer; The IGBT module other end that power valve protective circuit one end connects bidirectional energy-storage current transformer connects FPGA; DSP is connected communication by host computer with the telecommunication circuit of slave computer with upper computer control module.
Further, electric current and voltage sample circuit is measured each road voltage and current signal and is delivered to DSP and carry out sampling processing; Power tube drive circuit drives signal to carry out delivering to after power amplification the main power circuit of bidirectional energy-storage current transformer to the power tube PWM of FPGA output; Overcurrent protection signal and overheat protector signal that power valve protective circuit gathers the IGBT module output of bidirectional energy-storage current transformer transfer to FPGA.
Be illustrated in figure 2 the structural representation of the embodiment of a kind of structure based on numerically controlled bidirectional energy-storage current transformer hardware system that the utility model provides, as shown in Figure 2, electric current and voltage sample circuit comprises Hall voltage transducer, Hall current sensor, modulate circuit and optical coupling isolation circuit, and Hall voltage transducer is connected DSP by signal conditioning circuit with optical coupling isolation circuit 1 respectively with the main power circuit other end that Hall current sensor one end is connected respectively bidirectional energy-storage current transformer.Hall voltage transducer and Hall current sensor are measured after the voltage and current signal of each road, and output voltage current value is delivered to DSP and carried out sampling processing after signal conditioning circuit circumscription and optical coupling isolation circuit 1 isolation.
Power tube drive circuit comprises power amplifying device and optical coupling isolation circuit 2, wherein between FPGA output and power amplifying device, add optical coupling isolation circuit 2, prevent that control circuit is subject to main power circuit impact, increase the antijamming capability of control circuit, power tube drive circuit is mainly used to the power tube PWM of FPGA output to drive signal to carry out power amplification, the driving force of elevator system.
Power valve protective circuit comprises optical coupling isolation circuit 3; be mainly used to overcurrent protection signal and the overheat protector signal of the IGBT module output that gathers bidirectional energy-storage current transformer; the each output three of the commutation inversion module of bidirectional energy-storage current transformer and buck module is passed by stream guard signal and and is passed by warm guard signal; all guard signals are sent into FPGA through light-coupled isolation electricity 3 and are done exclusive disjunction processing; the generation of any road guard signal all will make FPGA send PWM block signal to DSP; forbid power tube action, ensure the safety of converter system.
DSP is connected communication by host computer with the telecommunication circuit of slave computer with upper computer control module, the telecommunication circuit of host computer and slave computer is set up based on RS232 communication protocol, and adds filter circuit, prevents that interference signal from importing into.
The C2000 series TMS320F2812PGF-176 that master controller DSP selects TI company to produce, the Cyclone series EP1C6024017N that pilot controller FPGA selects ALTERA company to produce.
Peripheral circuit also comprises the functional modules such as power circuit, clock circuit, ON-OFF control circuit, operating state decision circuitry, Flash memory, SRAM memory, reset circuit, CAN BUS (Controller Area Network Bus, controller local area network's bus), EEPROM, LED array, buzzer, button, toggle switch.
Power circuit is mainly other control circuits in DSP and FPGA and bidirectional energy-storage current transformer provides power supply to support, and comprises 1.9V, 3.3V, 5V, ± 15V etc., and isolation mutually between different voltage, to improve fail safe and the anti-interference of whole system.
Clock circuit comprises the clock circuit of DSP and the clock circuit of FPGA, and the clock circuit of DSP is provided by the active crystal oscillator of 30MHz, and the clock circuit of FPGA is provided by the active crystal oscillator of 33MHz.
FPGA is by the work of the switch of ON-OFF control circuit control current transformer main power circuit, this ON-OFF control circuit mainly connects the switch of current transformer radiator fan, indicator light and main power circuit circuit breaker, is mainly used in the switch control to current transformer radiator fan, indicator light and main power circuit circuit breaker.
FPGA detects the real-time folding condition of the each switch of converter system by operating state decision circuitry, the operation phase that judges current transformer, finally realize the automation and intelligent operation of whole system with this.
Be respectively as shown in Figure 3 and Figure 4 that the utility model provides a kind of based on numerically controlled bidirectional energy-storage current transformer hardware system the control block diagram being connected and the control flow chart with main power circuit.
From Fig. 3 and Fig. 4, DSP main controller module is mainly realized current transformer main power circuit real time execution electric current and voltage value is sampled, calculates, processed, and receives the action command that host computer issues.DSP sets up two-way communication by RS232 and host computer, and operating state, running parameter and the receiving system feedback information of system can be set by host computer in real time.Built-in 16 the AD ALT-CH alternate channels of DSP, the voltage and current signal of the main power circuit to bidirectional energy-storage current transformer is sampled, sampled signal forms after treatment feedback and compares with system is given, the result of feedback and set-point PI computing is delivered to task manager, send the adjustable PWM drive waveforms of 12 tunnel duty ratios, wherein PWM1-6 is for the driving of current transformer commutation inversion PEBB module, and PWM7-12 is for the driving of current transformer voltage raising and reducing PEBB module.
FPGA pilot controller module assists master controller DSP to complete the automation control to whole current transformer.The PWM of DSP output drives signal first to cut and tremble processing through FPGA, after processing, PWM1-6 directly exports interface circuit to, PWM7-12 carries out phase shift processing through FIFO, for the driving of three-phase alternating expression buck module, to reduce DC side output voltage current ripples, the pwm control signal of AC/DC module through FPGA disappear tremble with deburring after be directly defeated by PEBB drive circuit, power ratio control pipe cut-off action, the pwm signal of DC/DC module moves through FPGA phase shift rear drive PEBB.Wherein AC/DC module PWM drives signal to be produced by task manager A, and DC/DC module PWM drives signal to be produced by task manager B.FPGA is real-time acquisition system working state signal also, and controls main circuit switch action; In the time that PEBB module produces overcurrent or overheat protector signal, first guard signal delivers to FPGA, after FPGA processes, produces a low level triggering signal and delivers to DSP, and PDP interrupts being triggered, and DSP locking PWM output, plays device protective effect.
Upper computer control module realizes and the serial communication of DSP by RS-232, be mainly used in issuing the control information such as control command, operational factor to DSP, and receive in real time current transformer running status that DSP uploads and parameter information and by interface display, strengthen the interactive capability of system.Concrete, upper computer control module realizes by RS-485 and the serial communication of energy-storage battery BMS system, reads in real time the information such as cell voltage, charging and discharging currents, temperature, SOC and passes through interface display; Communicate by letter with far-end monitoring system by TCP/IP Modbus communication protocol, realize the control of energy accumulation current converter far-end, the running statuses such as start that can Long-distance Control current transformer, shutdown, time-out, set in real time the operational factor of current transformer, and read the real time execution parameter of converter system.User can pass through host computer interface real-time control system operational mode, write and reading system operational factor, as output voltage current setting value, real-time voltage current sampling data, pid parameter etc., can realize current transformer local manually control and two kinds of control models of remote auto control by upper computer control module.Slave computer timing is to host computer transmitting system operation electric parameter real-time sampling value, operating state that can observing system by host computer interface display.
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 amendment 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 (10)
1. based on a numerically controlled bidirectional energy-storage current transformer hardware system, it is characterized in that, described bidirectional energy-storage current transformer hardware system comprises DSP, FPGA, peripheral circuit and the upper computer control module of communication are connected with FPGA with DSP;
Two controllers of described DSP and FPGA are connected with the data/address bus of 19 by the address bus of 16, and all IO mouths of described DSP are all connected with described FPGA;
Described peripheral circuit comprises electric current and voltage sample circuit, power tube drive circuit, power valve protective circuit, host computer and slave computer telecommunication circuit;
The main power circuit other end that described electric current and voltage sample circuit one end connects described bidirectional energy-storage current transformer connects described DSP;
Described power tube drive circuit one end connects the main power circuit that the described FPGA other end connects described bidirectional energy-storage current transformer;
The IGBT module other end that described power valve protective circuit one end connects bidirectional energy-storage current transformer connects described FPGA;
Described DSP is connected communication with the telecommunication circuit of slave computer with described upper computer control module by described host computer.
2. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, the C2000 series TMS320F2812PGF-176 that described master controller DSP selects TI company to produce.
3. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, the Cyclone series EP1C6024017N that described pilot controller FPGA selects ALTERA company to produce.
4. bidirectional energy-storage current transformer hardware system as claimed in claim 1, it is characterized in that, described electric current and voltage sample circuit comprises Hall voltage transducer, Hall current sensor, modulate circuit and optical coupling isolation circuit, and described Hall voltage transducer is connected described DSP by described signal conditioning circuit with described optical coupling isolation circuit 1 respectively with the main power circuit other end that Hall current sensor one end is connected respectively described bidirectional energy-storage current transformer.
5. bidirectional energy-storage current transformer hardware system as claimed in claim 1, it is characterized in that, described power tube drive circuit comprises power amplifying device and optical coupling isolation circuit 2, between described FPGA output and described power amplifying device, isolates by described optical coupling isolation circuit 2.
6. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, described power valve protective circuit comprises optical coupling isolation circuit 3.
7. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, described peripheral circuit comprises power circuit;
Described power circuit is mainly other control circuits in DSP and FPGA and bidirectional energy-storage current transformer provides power supply to support, and comprises 1.9V, 3.3V, 5V, ± 15V, isolation mutually between different voltage.
8. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, described peripheral circuit comprises clock circuit;
Described clock circuit comprises the clock circuit of DSP and the clock circuit of FPGA, and the clock circuit of DSP is provided by the active crystal oscillator of 30MHz, and the clock circuit of FPGA is provided by the active crystal oscillator of 33MHz.
9. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, described peripheral circuit comprises ON-OFF control circuit and operating state decision circuitry;
The switch of described ON-OFF control circuit control connection current transformer radiator fan, indicator light and main power circuit circuit breaker;
Described operating state decision circuitry connects the real-time folding condition that detects the each switch of described converter system.
10. bidirectional energy-storage current transformer hardware system as claimed in claim 1, is characterized in that, described peripheral circuit comprises Flash memory, SRAM memory, reset circuit, CAN BUS, EEPROM, LED array, buzzer, button, toggle switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707984.8U CN204013276U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage current transformer hardware system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320707984.8U CN204013276U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage current transformer hardware system |
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| CN204013276U true CN204013276U (en) | 2014-12-10 |
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| CN201320707984.8U Expired - Lifetime CN204013276U (en) | 2013-11-11 | 2013-11-11 | A kind of based on numerically controlled bidirectional energy-storage current transformer hardware system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526363A (en) * | 2016-11-01 | 2017-03-22 | 株洲中车时代电气股份有限公司 | Converter power component online monitoring system |
| CN109149957A (en) * | 2018-11-19 | 2019-01-04 | 河北工程大学 | A kind of three-phase power electronic transformer |
| CN109149987A (en) * | 2018-08-08 | 2019-01-04 | 中国电力科学研究院有限公司 | A kind of production method of the three level energy accumulation current converters based on A-NPC topology |
| EP3499681A1 (en) * | 2017-12-18 | 2019-06-19 | Beijing Hanergy Solar Power Investment Co., Ltd. | Charge and discharge controller and solar power supply system |
| CN113992055A (en) * | 2021-10-25 | 2022-01-28 | 国网山东省电力公司青岛供电公司 | Three-level bidirectional converter control system and method |
-
2013
- 2013-11-11 CN CN201320707984.8U patent/CN204013276U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526363A (en) * | 2016-11-01 | 2017-03-22 | 株洲中车时代电气股份有限公司 | Converter power component online monitoring system |
| EP3499681A1 (en) * | 2017-12-18 | 2019-06-19 | Beijing Hanergy Solar Power Investment Co., Ltd. | Charge and discharge controller and solar power supply system |
| CN109149987A (en) * | 2018-08-08 | 2019-01-04 | 中国电力科学研究院有限公司 | A kind of production method of the three level energy accumulation current converters based on A-NPC topology |
| CN109149957A (en) * | 2018-11-19 | 2019-01-04 | 河北工程大学 | A kind of three-phase power electronic transformer |
| CN109149957B (en) * | 2018-11-19 | 2020-09-08 | 河北工程大学 | Three-phase power electronic transformer |
| CN113992055A (en) * | 2021-10-25 | 2022-01-28 | 国网山东省电力公司青岛供电公司 | Three-level bidirectional converter control system and method |
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