JPWO2018179145A1 - 電力変換装置およびそのテスト方法 - Google Patents
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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
- H02M7/42—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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3187—Built-in tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- 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
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
- H02J3/0012—Contingency detection
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
- H02J3/1857—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters wherein such bridge converter is a multilevel converter
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/70—Regulating power factor; Regulating reactive current or power
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
- H02H3/335—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
-
- 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
- H02M1/0016—Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Control Of Electrical Variables (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
Abstract
Description
Claims (10)
- 電力変換装置であって、
デルタ接続された3個のアームを備え、
前記3個のアームの各々は、
直流電力を蓄えるコンデンサと、
直流電力を交流電力に変換するインバータとを含み、
さらに、電力系統と前記3個のアームとの間が遮断されているテスト期間に、前記3個のアームの循環電流が第1の指令値になるように、前記3個のアームの各々の前記インバータを制御する第1の制御部と、
前記電力系統と前記3個のアームとの間が導通している通常動作時に、前記電力系統と前記3個のアームとの間で授受される電力が第2の指令値になるように、前記3個のアームの各々の前記インバータを制御する第2の制御部とを備え、
前記テスト期間における前記循環電流に基づいて前記電力変換装置が正常であるか否かが判定される、電力変換装置。 - さらに、それらの第1端子がそれぞれ前記電力系統の三相交流電圧を受け、それらの第2端子がそれぞれ前記3個のアームに接続され、前記テスト期間の前の充電期間にオンされ、前記テスト期間にオフされ、前記通常動作時にオンされる3個のスイッチを備え、
前記充電期間に前記3個のスイッチがオンされると、前記電力系統から前記インバータを介して前記コンデンサに電流が流れて前記コンデンサに直流電力が蓄えられる、請求項1に記載の電力変換装置。 - さらに、それぞれ前記3個のアームに流れる電流を検出する3個の電流検出器を備え、
前記第1の制御部は、前記3個の電流検出器の検出値に基づいて前記循環電流を求め、求めた前記循環電流が前記第1の指令値になるように前記インバータを制御する、請求項1に記載の電力変換装置。 - さらに、テスト信号に応答して、予め定められた時間だけ前記第1の指令値を生成する信号発生部を備える、請求項1に記載の電力変換装置。
- 前記第1の指令値は正弦波状に変化し、
前記信号発生部は、前記第1の指令値の振幅を最小値から最大値まで徐々に増大させた後に、前記最大値から前記最小値まで徐々に減少させる、請求項4に記載の電力変換装置。 - 前記第1の指令値は正弦波状に変化し、
前記循環電流の振幅および位相が前記第1の指令値に追従して変化する場合は前記電力変換装置は正常であると判定され、
前記循環電流の振幅および位相が前記第1の指令値に追従して変化しない場合は前記電力変換装置は正常でないと判定される、請求項1に記載の電力変換装置。 - さらに、前記循環電流と前記第1の指令値との偏差に基づいて前記電力変換装置が正常であるか否かを判定し、判定結果を示す信号を出力する判定器を備える、請求項1に記載の電力変換装置。
- 前記3個のアームの各々は複数の単位変換器を含み、
前記複数の単位変換器の各々は前記コンデンサおよび前記インバータを有し、
複数の前記インバータはカスケード接続されている、請求項1に記載の電力変換装置。 - 前記電力変換装置は、前記電力系統の無効電力を補償する無効電力補償装置として使用される、請求項1に記載の電力変換装置。
- デルタ接続された3個のアームを備え、前記3個のアームの各々は、直流電力を蓄えるコンデンサと、直流電力を交流電力に変換するインバータとを含み、通常動作時には電力系統と前記3個のアームとの間で電力を授受する電力変換装置をテストする方法であって、
前記電力系統と前記3個のアームとの間が遮断されているテスト期間に、前記3個のアームの循環電流が指令値になるように、前記3個のアームの各々の前記インバータを制御し、前記テスト期間における前記循環電流に基づいて前記電力変換装置が正常であるか否かを判定する、電力変換装置のテスト方法。
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PCT/JP2017/012943 WO2018179145A1 (ja) | 2017-03-29 | 2017-03-29 | 電力変換装置およびそのテスト方法 |
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EP (1) | EP3605823B1 (ja) |
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JP6730515B2 (ja) * | 2017-04-21 | 2020-07-29 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
SE541306C2 (sv) * | 2017-10-31 | 2019-06-25 | Dlaboratory Sweden Ab | Metod och anordning för detektering av fel i och skydd av elektriska nät |
JP7461660B2 (ja) | 2019-03-29 | 2024-04-04 | 国立大学法人東北大学 | 蓄電システム、新エネシステム、配電システム、送電システム、輸送機器、電気自動車のバッテリシステム及び無停電電源装置のバッテリシステム |
US11899067B2 (en) | 2019-07-23 | 2024-02-13 | Shanghai Jiao Tong University | Testing circuit, system and control method for multiple submodules of cascaded converter |
CN110854866B (zh) * | 2019-11-26 | 2021-12-17 | 华北电力科学研究院有限责任公司 | 一种模块化多电平换流器的无功电压控制方法及装置 |
CN111707898B (zh) * | 2020-07-14 | 2023-03-14 | 中车大连机车车辆有限公司 | 一种列车供电系统的负载测试方法 |
Citations (2)
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JP2011223760A (ja) * | 2010-04-12 | 2011-11-04 | Hitachi Ltd | 電力変換装置 |
JP2015108967A (ja) * | 2013-12-04 | 2015-06-11 | 株式会社東芝 | 電力変換装置 |
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US7945413B2 (en) * | 2007-09-04 | 2011-05-17 | Solarbridge Technologies, Inc. | Voltage-sensed system and method for anti-islanding protection of grid-connected inverters |
US20090121725A1 (en) * | 2007-11-08 | 2009-05-14 | Advantest Corporation | Test apparatus and measurement apparatus |
WO2012099176A1 (ja) | 2011-01-18 | 2012-07-26 | 国立大学法人東京工業大学 | 電力変換器およびその制御方法 |
WO2012167833A1 (en) * | 2011-06-10 | 2012-12-13 | Abb Technology Ag | Methods for de-energizing a chain-link converter, controller, computer programs and computer program products |
WO2015003737A1 (de) * | 2013-07-08 | 2015-01-15 | Siemens Aktiengesellschaft | Mehrstufiger stromrichter zur blindleistungskompensation und zugehöriges betriebsverfahren |
WO2015141680A1 (ja) * | 2014-03-19 | 2015-09-24 | 国立大学法人東京工業大学 | 電力変換器 |
EP3051686B1 (en) * | 2015-01-27 | 2017-11-01 | ABB Schweiz AG | Method for testing electric system and electric system |
WO2017013125A1 (en) | 2015-07-21 | 2017-01-26 | Abb Schweiz Ag | Controlling a three-phase electrical converter |
US10855199B2 (en) * | 2015-12-18 | 2020-12-01 | Abb Power Grids Switzerland Ag | Voltage balancing in a Modular Multilevel Converter having delta configuration |
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- 2017-03-29 JP JP2019508433A patent/JP6706384B2/ja active Active
- 2017-03-29 EP EP17904129.8A patent/EP3605823B1/en active Active
- 2017-03-29 US US16/492,752 patent/US10879697B2/en active Active
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JP2011223760A (ja) * | 2010-04-12 | 2011-11-04 | Hitachi Ltd | 電力変換装置 |
JP2015108967A (ja) * | 2013-12-04 | 2015-06-11 | 株式会社東芝 | 電力変換装置 |
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US20200076323A1 (en) | 2020-03-05 |
EP3605823A4 (en) | 2020-11-25 |
EP3605823B1 (en) | 2022-06-01 |
WO2018179145A1 (ja) | 2018-10-04 |
JP6706384B2 (ja) | 2020-06-03 |
US10879697B2 (en) | 2020-12-29 |
EP3605823A1 (en) | 2020-02-05 |
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