WO2011135658A1 - Onduleur d'interconnexion de système - Google Patents

Onduleur d'interconnexion de système Download PDF

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Publication number
WO2011135658A1
WO2011135658A1 PCT/JP2010/057387 JP2010057387W WO2011135658A1 WO 2011135658 A1 WO2011135658 A1 WO 2011135658A1 JP 2010057387 W JP2010057387 W JP 2010057387W WO 2011135658 A1 WO2011135658 A1 WO 2011135658A1
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WO
WIPO (PCT)
Prior art keywords
voltage
output
converter
boost converter
inverter
Prior art date
Application number
PCT/JP2010/057387
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English (en)
Japanese (ja)
Inventor
一平 竹内
中林　弘一
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2010/057387 priority Critical patent/WO2011135658A1/fr
Priority to JP2012512564A priority patent/JP5349688B2/ja
Publication of WO2011135658A1 publication Critical patent/WO2011135658A1/fr

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Classifications

    • 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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582—Buck-boost converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Definitions

  • the present invention relates to a grid-connected inverter used in a solar power generation system.
  • a grid-connected inverter used in a photovoltaic power generation system converts DC power generated by a solar cell composed of a plurality of solar cell modules into DC power that is once converted to a desired DC voltage by a converter. Is converted into alternating current power by an inverter circuit, and connected to a commercial power system.
  • the boost converter in a grid-connected inverter using a boost converter, if the boost converter is controlled so that the boost voltage becomes a constant value, the output voltage of the solar cell may become unstable when the generated power of the solar cell is low. . Further, if the output voltage of the boost converter is set higher than necessary, the conversion efficiency may be lowered.
  • Patent Document 1 For example, in Japanese Patent Application Laid-Open No. 2003-228620, a method of setting the minimum required boost converter target voltage based on the voltage of the commercial power system and increasing the boost converter target voltage as the output power of the inverter circuit increases is disclosed in Patent Document 1, for example. Has been proposed. According to this method, it is not necessary to set the output voltage of the boost converter higher than necessary, and a reduction in efficiency of the boost converter can be prevented.
  • the output voltage of the boost converter may be higher or lower than necessary.
  • the efficiency of the boost converter is reduced.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain a grid-connected inverter that can improve the conversion efficiency of a converter even when the system voltage is high in a photovoltaic power generation system.
  • the present invention provides a buck-boost converter that converts direct-current power generated by a solar cell into direct-current power that has a desired direct-current voltage, and direct-current power that is output from the buck-boost converter to alternating-current power.
  • a grid-connected inverter comprising an inverter circuit that outputs to a commercial power system through an output relay that is converted and closed, a first voltage detector that detects an output voltage of the solar cell, and the commercial power system
  • a second voltage detector for detecting a system voltage of the current
  • a current detector for detecting an output current of the inverter circuit, a system voltage detected by the second voltage detector, and an inverter output detected by the current detector
  • a target voltage setter that sets an output voltage target value during the boosting operation of the step-up / down converter based on the current, a target voltage set by the target voltage setter, and the first voltage
  • a converter state controller that compares the output voltage of the solar cell detected by the voltage detector and sets the operation state of the step-up / step-down converter to any one of a boost operation mode, a bypass operation mode, and a step-down operation mode
  • a gate pulse generator for generating a gate pulse signal to be provided to each of the two switch elements included in the buck-boo
  • a grid-connected inverter sets a target voltage during a boost operation based on a system voltage and an inverter output current, and determines the operation state of the step-up / down converter according to the solar cell output voltage and the boost operation mode. Since the operation mode is switched between the bypass operation mode and the step-down operation mode, the conversion efficiency of the converter can be improved even when the system voltage is high.
  • FIG. 1 is a system diagram showing a photovoltaic power generation system including a grid-connected inverter according to an embodiment of the present invention.
  • FIG. 2 is a diagram for explaining the operation of the target voltage setting device shown in FIG.
  • FIG. 3 is a diagram for explaining the operation of the converter state setter and the gate pulse generator shown in FIG.
  • FIG. 1 is a system diagram showing a photovoltaic power generation system including a grid-connected inverter according to an embodiment of the present invention.
  • a photovoltaic power generation system 1 is composed of a solar cell 2 and a grid-connected inverter 3 according to this embodiment.
  • the solar cell 2 is composed of a plurality of solar cell modules, and generates DC power according to the amount of solar radiation.
  • the grid-connected inverter 3 is connected to the positive input terminal 4 and the negative input terminal 5 to which the positive output terminal and the negative output terminal of the solar battery 2 are connected, respectively, and two lines of the commercial power system (distribution system) 6. System output terminals 7 and 8 are provided.
  • the grid-connected inverter 3 is a buck-boost type grid-connected inverter that uses a buck-boost converter, and when the buck-boost type grid-connected inverter is linked to the commercial power system 6, A configuration for controlling the converter is provided. First, the configuration and connection relationship of a step-up / step-down type grid-connected inverter will be shown.
  • the step-up / step-down type grid-connected inverter includes a smoothing capacitor 9, a step-up / down converter 10, a smoothing capacitor 11, an inverter circuit 12, and an output from the positive input terminal 4 and the negative input terminal 5 toward the system output terminals 7 and 8.
  • Relays 13 are arranged in this order.
  • the step-up / down converter 10 includes switch elements 21 and 22, a reactor 23, and diodes 24 and 25 having diodes connected in antiparallel.
  • Switch element 21, reactor 23 and diode 24 constitute a step-down circuit.
  • Reactor 23, switching element 22 and diode 25 constitute a booster circuit.
  • IGBT is used for the switch element 21
  • NMOS transistor is used for the switch element 22
  • the type of the switch element is arbitrary.
  • the collector terminal of the switch element 21 is an input terminal of the step-up / down converter 10 and is connected to the positive input terminal 4.
  • the emitter terminal of the switch element 21 is connected to the cathode terminal of the diode 24 and one end of the reactor 23.
  • the anode terminal of the diode 24 is connected to a connection line between the negative input terminal 5 and the negative input terminal of the inverter circuit 12.
  • the other end of the reactor 23 is connected to the drain terminal of the switch element 22 and the anode terminal of the diode 25, and the source terminal of the switch element 22 is connected to a connection line between the negative input terminal 5 and the negative input end of the inverter circuit 12. ing.
  • the cathode terminal of the diode 25 is the output terminal of the step-up / down converter 10 and is connected to the positive input terminal of the inverter circuit 12.
  • a gate pulse signal generated by the gate pulse generator 19 based on the converter state input from the converter state controller 18 is applied to each gate terminal of the switch elements 21 and 22.
  • the smoothing capacitor 9 includes a connection line between the positive input terminal 4 and the collector terminal of the switch element 21 between the positive input terminal 4 and the buck-boost converter 10, a negative input terminal 5, and a negative input end of the inverter circuit 12.
  • the DC voltage input to the step-up / down converter 10 from the solar cell 2 is smoothed.
  • the smoothing capacitor 11 includes a connection line between the cathode terminal of the diode 25 and the positive input terminal of the inverter circuit 12, and the negative input terminal 5 and the negative input terminal of the inverter circuit 12 between the buck-boost converter 10 and the inverter circuit 12. And the output voltage of the step-up / down converter 10 is smoothed to form a DC input voltage to be converted by the inverter circuit 12.
  • the inverter circuit 12 converts the charging voltage of the smoothing capacitor 11 into an AC voltage during grid connection.
  • the AC output terminal of the inverter circuit 12 is connected to the system output terminals 7 and 8 via the output relay 13.
  • the output relay 13 When the output relay 13 is connected to the grid, the two relays are simultaneously controlled to be in a closed state, and the AC output terminal of the inverter circuit 12 is connected to the two lines of the commercial power system 6.
  • FIG. 2 is a diagram for explaining the operation of the target voltage setting unit 17.
  • FIG. 3 is a diagram for explaining the operation of the converter state setting unit 18 and the gate pulse generator 19.
  • the voltage detector 14 is connected between the positive input terminal 4 and the smoothing capacitor 9 with one detection end connected to a connection line between the positive input terminal 4 and the positive end of the smoothing capacitor 9, and the other detection end is connected.
  • This is a first voltage detector that is connected to a connection line between the negative electrode input terminal 5 and the negative electrode end of the smoothing capacitor 9 and detects the output voltage of the solar cell 2.
  • the output voltage of the solar cell 2 detected by the voltage detector 14 is input to the converter state controller 18.
  • the current detector 15 is connected between the inverter circuit 12 and the output relay 13 with a detection end connected to a connection line between one AC output end of the inverter circuit 12 and an input end of one of the corresponding relays of the output relay 13. The output current of the inverter circuit 12 is detected. The output current of the inverter circuit 12 detected by the current detector 15 is input to the target voltage setter 17.
  • one detection end is a connection line between the output end of one relay of the output relay 13 and one corresponding electric wire of the commercial power system 6.
  • the second detection end is connected to a connection line between the output end of the other relay of the output relay 13 and the corresponding other electric wire of the commercial power system 6 to detect the system voltage of the commercial power system 6. It is a voltage detector.
  • the system voltage detected by the voltage detector 16 is input to the target voltage setter 17.
  • the target voltage setter 17 Based on the system voltage detected by the voltage detector 16 and the output current of the inverter circuit 12 detected by the current detector 15, the target voltage setter 17 outputs the output of the buck-boost converter 10 as follows. A voltage target value is set, and the set target voltage is output to the converter state controller 18.
  • the input voltage of the inverter circuit 12 necessary for the inverter circuit 12 to operate normally depends on the system voltage. In order for the inverter circuit 12 to output the system voltage, the input voltage of the inverter circuit 12 needs to be equal to or higher than “ ⁇ 2 * system voltage [V]”.
  • the target voltage setter 17 is a parameter determined in accordance with the first relational table in which the parameter ⁇ determined in accordance with the magnitude of the system voltage is set and the magnitude of the output current of the inverter circuit 12. and a second relation table in which ⁇ (which is a voltage conversion value) is set.
  • the target voltage setter 17 obtains the parameter ⁇ for the system voltage detected by the voltage detector 16 from the first relation table, and sets the parameter ⁇ for the output current of the inverter circuit 12 detected by the current detector 15 as the first parameter ⁇ .
  • the parameter ⁇ 0.765 * Inverter circuit 12 output current + 35 (3) It is. Note that the value “35” in Equation (3) is a margin value.
  • the horizontal axis is the parameter ⁇ shown in Expression (3)
  • the vertical axis is the parameter ⁇ shown in Expression (2)
  • a straight line 27 that rises to the right from the margin value “35” shown in the middle of the vertical axis is a characteristic line for setting the target voltage Vco, and a target indicated by the equation (1) at a predetermined position on the characteristic line 27.
  • the voltage Vco is set.
  • the characteristic line for setting the target voltage Vco does not have to be linear as shown in FIG. 2, and may be a characteristic line that changes stepwise, for example.
  • the shape of the characteristic line for setting the target voltage Vco mainly depends on how the parameter ⁇ is determined, and a suitable shape for an actual apparatus is selected and set based on experience.
  • the converter state controller 18 compares the output voltage target value of the buck-boost converter 10 set by the target voltage setter 17 with the output voltage of the solar cell 2 detected by the voltage detector 14.
  • the operation state of the step-up / down converter 10 is set to any one of the operation mode of the booster circuit, the bypass operation mode, and the operation mode of the step-down circuit, and the set operation mode (operation state) of the step-up / step-down converter 10 is set.
  • FIG. 3 shows an example of the operation state of the set step-up / down converter 10 and transition of the output voltage of the step-up / down converter 10 under the control of the gate pulse generator 19 operated based on the operation state. The operation of the gate pulse generator 19 will also be described.
  • the horizontal axis represents the output voltage of the solar cell 2 detected by the voltage detector 14.
  • the vertical axis represents the output voltage of the buck-boost converter 10 under the control of the gate pulse generator 19.
  • the predetermined voltage “430” is a voltage for setting the operation mode of the step-down circuit, and is determined in advance in consideration of the power generation capability of the solar cell 2, the element breakdown voltage of the inverter circuit 12, and the like.
  • the converter state controller 18 sets the operation state of the buck-boost converter 10 to the boost circuit operation mode and sets the boost circuit operation mode. This is notified to the gate pulse generator 19 together with the output voltage target value Vco.
  • the gate pulse generator 19 generates a gate pulse signal for turning on the switch element 21 to control the step-down circuit to the bypass state, and the switching element 22 is set in accordance with the output voltage target value Vco. Generates a gate pulse signal that turns on and off at frequency and duty.
  • the step-up / step-down converter 10 performs an operation of boosting the solar cell output voltage to the output voltage target value Vco, so that the output voltage of the step-up / down converter 10 is controlled to settle at the output voltage target value Vco. become.
  • the converter state controller 18 is a step-up / step-down converter when the detected solar cell output voltage is a voltage between the output voltage target value Vco and a predetermined voltage (430 V) for setting the step-down circuit operation mode. 10 is set to the bypass operation mode, and the gate pulse generator 19 is notified that the bypass operation mode has been set.
  • the gate pulse generator 19 generates a gate pulse signal for turning on the switch element 21 and a gate pulse signal for turning off the switch element 22.
  • the buck-boost converter 10 is in a bypass state, and the output voltage of the buck-boost converter 10 is the same as the solar cell output voltage. In the buck-boost converter 10, since no switching operation is performed, the switching loss becomes zero.
  • the converter state controller 18 sets the operation state of the step-up / step-down converter 10 to the step-down circuit operation mode when the detected solar cell output voltage is higher than a predetermined voltage (430 V) for setting the step-down circuit operation mode. Then, the gate pulse generator 19 is notified together with a predetermined voltage (430V) that the step-down circuit operation mode has been set.
  • the gate pulse generator 19 generates a gate pulse signal for turning on and off the switching element 21 at a switching frequency and duty set corresponding to a predetermined voltage (430 V), and the gate pulse for turning off the switching element 22.
  • a signal is generated to control the booster circuit to a bypass state.
  • the step-up / step-down converter 10 is operated to step down the solar cell output voltage that greatly exceeds the output voltage target value Vco to a predetermined voltage (430V), so that the output voltage of the step-up / down converter 10 is the predetermined voltage (430V). It will be controlled to settle down.
  • the predetermined voltage (430 V) is determined to be a voltage that does not exceed the element breakdown voltage of the inverter circuit 12, even when the solar cell output voltage greatly exceeds the output voltage target value, the inverter circuit 12 does not cause element destruction. The conversion operation can be continued.
  • the target voltage during the boost operation is set based on the system voltage and the inverter output current, and the step-down operation start voltage ( The predetermined voltage (430 V)) is set to a voltage higher than the target voltage, and the operation state of the buck-boost converter is switched to the step-up operation mode, the bypass operation mode, and the step-down operation mode according to the solar cell output voltage. Therefore, even when the system voltage is high, the conversion efficiency of the converter can be improved.
  • an example of application to a grid-connected inverter using a step-up / down converter is shown.
  • the present invention can be similarly applied to a grid-connected inverter using a boost converter. Even when the boost converter is in the bypass operation mode, the solar cell output voltage may not exceed the element withstand voltage of the inverter circuit 12. Therefore, if this embodiment is applied to a grid-connected inverter using a boost converter, the output voltage of the boost converter does not increase or decrease more than necessary, and even when the system voltage is high as well. The conversion efficiency of the converter can be improved.
  • the grid-connected inverter according to the present invention is useful as a grid-connected inverter that can improve the conversion efficiency of the converter even when the system voltage is high in the photovoltaic power generation system. Suitable for grid-connected inverter using pressure converter.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un onduleur d'interconnexion de système utilisant un convertisseur élévateur/abaisseur de tension, la tension cible durant l'opération d'élévation de tension étant établie en fonction de la tension du système et du courant de sortie de l'onduleur, la tension à laquelle l'opération d'abaissement de tension est déclenchée étant établie à une valeur supérieure à celle de la tension cible, et l'état de fonctionnement du convertisseur élévateur/abaisseur de tension commutant entre un mode de fonctionnement d'élévation de tension, un mode de fonctionnement de dérivation et un mode de fonctionnement d'abaissement de tension en fonction de la tension de sortie de la photopile. L'invention permet donc d'améliorer le rendement de conversion du convertisseur, notamment si la tension du système est élevée.
PCT/JP2010/057387 2010-04-26 2010-04-26 Onduleur d'interconnexion de système WO2011135658A1 (fr)

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PCT/JP2010/057387 WO2011135658A1 (fr) 2010-04-26 2010-04-26 Onduleur d'interconnexion de système
JP2012512564A JP5349688B2 (ja) 2010-04-26 2010-04-26 系統連系形インバータ

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014077355A1 (fr) * 2012-11-15 2014-05-22 太陽誘電株式会社 Dispositif de conversion de puissance
CN105281594A (zh) * 2014-05-30 2016-01-27 松下知识产权经营株式会社 电力转换装置
CN105518965A (zh) * 2014-07-30 2016-04-20 阳光电源股份有限公司 一种光伏并网控制方法及光伏并网***
KR20160137740A (ko) * 2015-05-20 2016-12-01 글루잭테크 주식회사 전원변환모듈 및 이를 이용한 안정 전원공급장치와 안정 전원공급방법
JP2016220292A (ja) * 2015-05-14 2016-12-22 三菱電機株式会社 電力供給システム
JP2018074889A (ja) * 2016-11-04 2018-05-10 本田技研工業株式会社 電源システム
CN109494980A (zh) * 2017-09-11 2019-03-19 凌力尔特科技控股有限责任公司 通过降压-升压稳压器的调节
CN109494798A (zh) * 2018-12-07 2019-03-19 河海大学 光伏并网逆变器与无功补偿装置的协调控制方法

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JP7312088B2 (ja) * 2019-11-11 2023-07-20 三菱電機エンジニアリング株式会社 電力変換装置、及び電力変換制御装置

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JP2004104963A (ja) * 2002-09-12 2004-04-02 Matsushita Electric Ind Co Ltd 系統連系インバータ装置
JP2004260942A (ja) * 2003-02-26 2004-09-16 Ebara Densan Ltd 系統連系インバータ装置
JP2009142052A (ja) * 2007-12-06 2009-06-25 Mitsubishi Electric Corp 電力変換装置

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2004104963A (ja) * 2002-09-12 2004-04-02 Matsushita Electric Ind Co Ltd 系統連系インバータ装置
JP2004260942A (ja) * 2003-02-26 2004-09-16 Ebara Densan Ltd 系統連系インバータ装置
JP2009142052A (ja) * 2007-12-06 2009-06-25 Mitsubishi Electric Corp 電力変換装置

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014077355A1 (fr) * 2012-11-15 2014-05-22 太陽誘電株式会社 Dispositif de conversion de puissance
JPWO2014077355A1 (ja) * 2012-11-15 2017-01-05 太陽誘電株式会社 電力変換装置
CN105281594A (zh) * 2014-05-30 2016-01-27 松下知识产权经营株式会社 电力转换装置
CN105518965A (zh) * 2014-07-30 2016-04-20 阳光电源股份有限公司 一种光伏并网控制方法及光伏并网***
CN105518965B (zh) * 2014-07-30 2018-06-12 阳光电源股份有限公司 一种光伏并网控制方法及光伏并网***
JP2016220292A (ja) * 2015-05-14 2016-12-22 三菱電機株式会社 電力供給システム
KR101695961B1 (ko) 2015-05-20 2017-01-16 글루잭테크 주식회사 전원변환모듈 및 이를 이용한 안정 전원공급장치와 안정 전원공급방법
KR20160137740A (ko) * 2015-05-20 2016-12-01 글루잭테크 주식회사 전원변환모듈 및 이를 이용한 안정 전원공급장치와 안정 전원공급방법
JP2018074889A (ja) * 2016-11-04 2018-05-10 本田技研工業株式会社 電源システム
CN109494980A (zh) * 2017-09-11 2019-03-19 凌力尔特科技控股有限责任公司 通过降压-升压稳压器的调节
JP2019050723A (ja) * 2017-09-11 2019-03-28 リニアー テクノロジー ホールティング エルエルシー 昇降圧レギュレータのパススルー安定化
CN109494980B (zh) * 2017-09-11 2021-03-23 凌力尔特科技控股有限责任公司 通过降压-升压稳压器的调节
CN109494798A (zh) * 2018-12-07 2019-03-19 河海大学 光伏并网逆变器与无功补偿装置的协调控制方法
CN109494798B (zh) * 2018-12-07 2021-10-19 河海大学 光伏并网逆变器与无功补偿装置的协调控制方法

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