JP6247756B2 - 系統低電圧発生による系統連系インバータの保護装置及びその方法 - Google Patents
系統低電圧発生による系統連系インバータの保護装置及びその方法 Download PDFInfo
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- JP6247756B2 JP6247756B2 JP2016523634A JP2016523634A JP6247756B2 JP 6247756 B2 JP6247756 B2 JP 6247756B2 JP 2016523634 A JP2016523634 A JP 2016523634A JP 2016523634 A JP2016523634 A JP 2016523634A JP 6247756 B2 JP6247756 B2 JP 6247756B2
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- output current
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- 238000000034 method Methods 0.000 title claims description 16
- 230000001681 protective effect Effects 0.000 title 1
- 238000005259 measurement Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000005856 abnormality Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- 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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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
-
- 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
- H02M1/0009—Devices or circuits for detecting current in a 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
Description
Claims (4)
- 系統連系インバータの出力電流を感知する第1出力電流感知部と、
感知した前記出力電流のD軸電流及びQ軸電流を計算し、第1出力電流を算出する第1出力電流算出部と、
系統電圧が正常であるときの出力電流の基準値と前記第1出力電流との差が所定の範囲を超えるか否かを判断し、前記基準値と前記第1出力電流との差が前記所定の範囲を超えるならば、前記出力電流を前記基準値よりも小さな値に低減させる第1出力電流制御部と、を含み、前記所定の範囲は、前記第1出力電流が系統連携インバータの故障を誘発させる基準電流からの限界範囲であることを特徴とする系統低電圧発生による系統連系インバータの保護装置。 - 前記出力電流を前記基準値よりも小さな値に低減させた後、所定の時間が経過したか否かを計測する第1タイマをさらに含み、
前記第1出力電流制御部が、前記所定の時間が経過したか否かを判断し、低減された出力電流を本来の出力電流に復帰させることを特徴とする請求項1に記載の系統低電圧発生による系統連系インバータの保護装置。 - 第1出力電流感知部が系統連系インバータの出力電流を感知する段階と、
第1出力電流算出部が前記出力電流のD軸電流及びQ軸電流を計算し、第1出力電流を算出する段階と、
第1出力電流制御部が系統電圧が正常であるときの出力電流の基準値と前記第1出力電流との差が所定の範囲を超えるか否かを判断する段階と、
前記基準値と前記第1出力電流との差が前記所定の範囲を超えるならば、前記出力電流を前記基準値よりも小さな値に低減させる段階と、を含み、
前記所定の範囲は、前記第1出力電流が系統連携インバータの故障を誘発させる基準電流からの限界範囲であることを特徴とする系統低電圧発生による系統連系インバータの保護方法。 - 前記第1出力電流制御部が第1タイマを使用し、前記出力電流を前記所定の値だけ低減させた後、所定の時間が経過したか否かを判断する段階と、
前記所定の時間が経過したならば、前記第1出力電流制御部が低減された出力電流を本来の出力電流に復帰させる段階と、をさらに含むことを特徴とする請求項3に記載の系統低電圧発生による系統連系インバータの保護方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130073771A KR101556352B1 (ko) | 2013-06-26 | 2013-06-26 | 계통 저전압 발생에 따른 계통 연계 인버터의 보호장치 및 방법 |
KR10-2013-0073771 | 2013-06-26 | ||
PCT/KR2014/005459 WO2014208933A1 (ko) | 2013-06-26 | 2014-06-20 | 계통 저전압 발생에 따른 계통 연계 인버터의 보호장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
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JP2016524450A JP2016524450A (ja) | 2016-08-12 |
JP6247756B2 true JP6247756B2 (ja) | 2017-12-13 |
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JP2016523634A Active JP6247756B2 (ja) | 2013-06-26 | 2014-06-20 | 系統低電圧発生による系統連系インバータの保護装置及びその方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9793789B2 (ja) |
EP (1) | EP3016258B1 (ja) |
JP (1) | JP6247756B2 (ja) |
KR (1) | KR101556352B1 (ja) |
CN (1) | CN105340162B (ja) |
WO (1) | WO2014208933A1 (ja) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3312178B2 (ja) * | 1992-03-02 | 2002-08-05 | 株式会社日立製作所 | 自励式インバータの制御装置 |
US5548464A (en) * | 1992-09-10 | 1996-08-20 | Texas Instruments Incorporated | Electronic motor protection apparatus |
JPH0974685A (ja) * | 1995-08-31 | 1997-03-18 | Sanyo Electric Co Ltd | 系統連系電源装置 |
KR100237611B1 (ko) | 1997-01-14 | 2000-01-15 | 이종수 | 엘리베이터의 인버터 이상동작 방지장치 |
JP2000333473A (ja) * | 1999-05-24 | 2000-11-30 | Matsushita Electric Ind Co Ltd | 系統連系インバータ装置 |
JP2001136664A (ja) * | 1999-11-05 | 2001-05-18 | Hitachi Ltd | 分散形発電システム |
JP4013483B2 (ja) * | 2001-02-13 | 2007-11-28 | 株式会社日立製作所 | 電力変換器の制御装置 |
KR100956488B1 (ko) * | 2008-03-10 | 2010-05-07 | 엘에스산전 주식회사 | 인버터를 지락으로부터 보호하기 위한 장치 및 방법 |
US8860236B2 (en) * | 2009-10-19 | 2014-10-14 | Uwm Research Foundation, Inc. | Wind energy power conversion system reducing gearbox stress and improving power stability |
CN102005777B (zh) * | 2010-11-04 | 2013-03-06 | 艾默生网络能源有限公司 | 一种光伏并网逆变器的控制方法及其控制系统 |
TWI441004B (zh) * | 2011-05-11 | 2014-06-11 | Realtek Semiconductor Corp | 電流供應方法以及電流供應系統 |
US20140056041A1 (en) * | 2011-05-18 | 2014-02-27 | General Electric Company | Power generation system, power converter system, and methods of operating a power converter system |
KR101269659B1 (ko) * | 2011-09-05 | 2013-05-30 | 카코뉴에너지 주식회사 | 신재생 에너지 발전 시스템 및 그의 단독 운전 방지 방법 |
CN103858333B (zh) | 2011-09-30 | 2016-06-15 | 大金工业株式会社 | 电力转换装置 |
JP6116829B2 (ja) | 2011-10-21 | 2017-04-19 | 株式会社ダイヘン | 単相電力変換装置の制御装置 |
US8760094B2 (en) * | 2011-12-09 | 2014-06-24 | The Boeing Company | Power system protection |
US8848400B2 (en) * | 2012-02-15 | 2014-09-30 | General Electric Company | System and method for reactive power regulation |
CN103066624B (zh) * | 2013-01-22 | 2014-12-10 | 四川科陆新能电气有限公司 | 一种光伏并网逆变器低电压穿越控制方法 |
US9461574B2 (en) * | 2013-03-12 | 2016-10-04 | Steering Solutions Ip Holding Corporation | Motor control system for determining a reference d-axis current and a q-axis current |
CN103248067B (zh) * | 2013-04-27 | 2016-03-02 | 京东方科技集团股份有限公司 | 光伏并网逆变器的低压穿越控制方法及装置 |
KR101493511B1 (ko) * | 2013-06-26 | 2015-02-16 | 포스코에너지 주식회사 | 계통 전압 이상에 따른 계통 연계 인버터의 과전류 억제장치 및 방법 |
CN104852393B (zh) * | 2014-02-18 | 2018-03-06 | 台达电子企业管理(上海)有限公司 | 功率变换单元的控制装置和方法 |
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2013
- 2013-06-26 KR KR1020130073771A patent/KR101556352B1/ko active IP Right Grant
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2014
- 2014-06-20 WO PCT/KR2014/005459 patent/WO2014208933A1/ko active Application Filing
- 2014-06-20 US US14/898,775 patent/US9793789B2/en active Active
- 2014-06-20 CN CN201480036726.9A patent/CN105340162B/zh not_active Expired - Fee Related
- 2014-06-20 EP EP14818507.7A patent/EP3016258B1/en active Active
- 2014-06-20 JP JP2016523634A patent/JP6247756B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2014208933A1 (ko) | 2014-12-31 |
CN105340162B (zh) | 2018-06-29 |
EP3016258B1 (en) | 2020-04-22 |
EP3016258A1 (en) | 2016-05-04 |
KR101556352B1 (ko) | 2015-10-01 |
KR20150002920A (ko) | 2015-01-08 |
CN105340162A (zh) | 2016-02-17 |
JP2016524450A (ja) | 2016-08-12 |
US9793789B2 (en) | 2017-10-17 |
US20160373003A1 (en) | 2016-12-22 |
EP3016258A4 (en) | 2017-04-12 |
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