WO2003032475A3 - Power conversion apparatus, power conversion system, and islanding operation detection method - Google Patents

Power conversion apparatus, power conversion system, and islanding operation detection method Download PDF

Info

Publication number
WO2003032475A3
WO2003032475A3 PCT/JP2002/010062 JP0210062W WO03032475A3 WO 2003032475 A3 WO2003032475 A3 WO 2003032475A3 JP 0210062 W JP0210062 W JP 0210062W WO 03032475 A3 WO03032475 A3 WO 03032475A3
Authority
WO
WIPO (PCT)
Prior art keywords
power conversion
islanding operation
detection method
operation detection
power
Prior art date
Application number
PCT/JP2002/010062
Other languages
French (fr)
Other versions
WO2003032475A2 (en
Inventor
Masaki Suzui
Nobuyoshi Takehara
Original Assignee
Canon Kk
Masaki Suzui
Nobuyoshi Takehara
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.)
Filing date
Publication date
Application filed by Canon Kk, Masaki Suzui, Nobuyoshi Takehara filed Critical Canon Kk
Priority to KR10-2003-7007306A priority Critical patent/KR20040015028A/en
Priority to EP02765618A priority patent/EP1362402A2/en
Priority to AU2002329062A priority patent/AU2002329062B2/en
Publication of WO2003032475A2 publication Critical patent/WO2003032475A2/en
Priority to US10/443,959 priority patent/US6801442B2/en
Publication of WO2003032475A3 publication Critical patent/WO2003032475A3/en

Links

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
    • H02M7/493—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 the static converters being arranged for operation in parallel
    • 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
    • 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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • 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
    • H02M7/5387—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 in a bridge configuration
    • H02M7/53871—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 in a bridge configuration with automatic control of output voltage or current
    • H02M7/53873—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 in a bridge configuration with automatic control of output voltage or current with digital control
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/102—Parallel operation of dc sources being switching 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
    • 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
    • H02J2300/28—The renewable source being wind energy
    • 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
    • H02J3/388—Islanding, i.e. disconnection of local power supply from the network
    • 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
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
    • Y02E40/30—Reactive power compensation

Abstract

When islanding operation is to be detected in a power conversion apparatus for converting a DC power into an AC power and outputting the AC power to a system power supply, a plurality of variation generation means for executing, in accordance with different schemes, detection of islanding operation in which power supply from the system power supply is stopped are arranged, and at least one variation generation means is selected by selection means from the plurality of variation generation means and operated.
PCT/JP2002/010062 2001-10-01 2002-09-27 Power conversion apparatus, power conversion system, and islanding operation detection method WO2003032475A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR10-2003-7007306A KR20040015028A (en) 2001-10-01 2002-09-27 Power conversion apparatus, power conversion system, and islanding operation detection method
EP02765618A EP1362402A2 (en) 2001-10-01 2002-09-27 Power conversion apparatus, power conversion system, and islanding operation detection method
AU2002329062A AU2002329062B2 (en) 2001-10-01 2002-09-27 Power conversion apparatus, power conversion system, and islanding operation detection method
US10/443,959 US6801442B2 (en) 2001-10-01 2003-05-23 Power conversion apparatus, power conversion system, and islanding operation detection method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001305694 2001-10-01
JP2001-305694 2001-10-01
JP2002270555A JP2003180036A (en) 2001-10-01 2002-09-17 Power converter, power conversion system, and method of detecting single operation
JP2002-270555 2002-09-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/443,959 Continuation US6801442B2 (en) 2001-10-01 2003-05-23 Power conversion apparatus, power conversion system, and islanding operation detection method

Publications (2)

Publication Number Publication Date
WO2003032475A2 WO2003032475A2 (en) 2003-04-17
WO2003032475A3 true WO2003032475A3 (en) 2003-07-03

Family

ID=26623557

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010062 WO2003032475A2 (en) 2001-10-01 2002-09-27 Power conversion apparatus, power conversion system, and islanding operation detection method

Country Status (7)

Country Link
US (1) US6801442B2 (en)
EP (1) EP1362402A2 (en)
JP (1) JP2003180036A (en)
KR (1) KR20040015028A (en)
CN (1) CN1529930A (en)
AU (1) AU2002329062B2 (en)
WO (1) WO2003032475A2 (en)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003098215A (en) * 2001-09-26 2003-04-03 Canon Inc Earth detection method and device in power conversion system
JP2004208494A (en) * 2002-12-11 2004-07-22 Canon Inc Method for controlling signal generator
JP2004207700A (en) 2002-12-11 2004-07-22 Canon Inc Electronic component and method for manufacturing the same
JP4585774B2 (en) * 2003-03-07 2010-11-24 キヤノン株式会社 Power conversion device and power supply device
DE602004023497D1 (en) * 2003-05-06 2009-11-19 Enecsys Ltd POWER SUPPLY CIRCUITS
US8102144B2 (en) 2003-05-28 2012-01-24 Beacon Power Corporation Power converter for a solar panel
JP2005310980A (en) * 2004-04-20 2005-11-04 Canon Inc Inductor and transformer
TWI278635B (en) * 2004-12-31 2007-04-11 Ind Tech Res Inst Method for surely detecting islanding operation
US7408268B1 (en) 2005-08-04 2008-08-05 Magnetek, S.P.A. Anti-islanding method and system for distributed power generation systems
US7376491B2 (en) * 2005-10-26 2008-05-20 General Electric Company Detection of islanding in power grids
US8324921B2 (en) 2007-12-05 2012-12-04 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US10693415B2 (en) 2007-12-05 2020-06-23 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US11881814B2 (en) 2005-12-05 2024-01-23 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US7844499B2 (en) * 2005-12-23 2010-11-30 Sharp Electronics Corporation Integrated solar agent business model
JP3948487B1 (en) * 2006-01-13 2007-07-25 オムロン株式会社 Isolated operation detection method, distributed power supply isolated operation detection control device, isolated operation detection device, and distributed power supply
JP4666507B2 (en) * 2006-03-01 2011-04-06 東京瓦斯株式会社 Test apparatus and test method for isolated operation detection device
KR100856715B1 (en) * 2006-10-17 2008-09-04 한국전기연구원 Islanding Detection Method for Microgrid and its Device
JP4942454B2 (en) * 2006-10-31 2012-05-30 三洋電機株式会社 Grid interconnection device and grid interconnection system
US9088178B2 (en) 2006-12-06 2015-07-21 Solaredge Technologies Ltd Distributed power harvesting systems using DC power sources
US8618692B2 (en) 2007-12-04 2013-12-31 Solaredge Technologies Ltd. Distributed power system using direct current power sources
US11735910B2 (en) 2006-12-06 2023-08-22 Solaredge Technologies Ltd. Distributed power system using direct current power sources
US8816535B2 (en) 2007-10-10 2014-08-26 Solaredge Technologies, Ltd. System and method for protection during inverter shutdown in distributed power installations
US8319471B2 (en) 2006-12-06 2012-11-27 Solaredge, Ltd. Battery power delivery module
US11296650B2 (en) 2006-12-06 2022-04-05 Solaredge Technologies Ltd. System and method for protection during inverter shutdown in distributed power installations
US11728768B2 (en) 2006-12-06 2023-08-15 Solaredge Technologies Ltd. Pairing of components in a direct current distributed power generation system
US8947194B2 (en) 2009-05-26 2015-02-03 Solaredge Technologies Ltd. Theft detection and prevention in a power generation system
US8963369B2 (en) 2007-12-04 2015-02-24 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11687112B2 (en) 2006-12-06 2023-06-27 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US9112379B2 (en) 2006-12-06 2015-08-18 Solaredge Technologies Ltd. Pairing of components in a direct current distributed power generation system
US7900361B2 (en) 2006-12-06 2011-03-08 Solaredge, Ltd. Current bypass for distributed power harvesting systems using DC power sources
US11888387B2 (en) 2006-12-06 2024-01-30 Solaredge Technologies Ltd. Safety mechanisms, wake up and shutdown methods in distributed power installations
US11569659B2 (en) 2006-12-06 2023-01-31 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8473250B2 (en) 2006-12-06 2013-06-25 Solaredge, Ltd. Monitoring of distributed power harvesting systems using DC power sources
US11309832B2 (en) 2006-12-06 2022-04-19 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US20080144294A1 (en) * 2006-12-06 2008-06-19 Meir Adest Removal component cartridge for increasing reliability in power harvesting systems
US8013472B2 (en) 2006-12-06 2011-09-06 Solaredge, Ltd. Method for distributed power harvesting using DC power sources
US8319483B2 (en) 2007-08-06 2012-11-27 Solaredge Technologies Ltd. Digital average input current control in power converter
US9130401B2 (en) 2006-12-06 2015-09-08 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8384243B2 (en) 2007-12-04 2013-02-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11855231B2 (en) 2006-12-06 2023-12-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
JP4804375B2 (en) * 2007-01-30 2011-11-02 三洋電機株式会社 Grid interconnection device and grid interconnection system
CN101743685B (en) * 2007-06-06 2013-12-04 宝威电源意大利股份公司 Control method of delivery of electric power by means of a plurality of parallel inverters based on maximum power point tracking
US7945413B2 (en) * 2007-09-04 2011-05-17 Solarbridge Technologies, Inc. Voltage-sensed system and method for anti-islanding protection of grid-connected inverters
JP4835587B2 (en) * 2007-11-30 2011-12-14 オムロン株式会社 Isolated operation detection method, control device, isolated operation detection device, and distributed power supply system
EP2232690B1 (en) 2007-12-05 2016-08-31 Solaredge Technologies Ltd. Parallel connected inverters
WO2009072075A2 (en) 2007-12-05 2009-06-11 Solaredge Technologies Ltd. Photovoltaic system power tracking method
JP2011507465A (en) 2007-12-05 2011-03-03 ソラレッジ テクノロジーズ リミテッド Safety mechanism, wake-up method and shutdown method in distributed power installation
US11264947B2 (en) 2007-12-05 2022-03-01 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US8049523B2 (en) 2007-12-05 2011-11-01 Solaredge Technologies Ltd. Current sensing on a MOSFET
EP2269290B1 (en) 2008-03-24 2018-12-19 Solaredge Technologies Ltd. Switch mode converter including active clamp for achieving zero voltage switching
EP2294669B8 (en) 2008-05-05 2016-12-07 Solaredge Technologies Ltd. Direct current power combiner
US8630098B2 (en) * 2008-06-12 2014-01-14 Solaredge Technologies Ltd. Switching circuit layout with heatsink
US8346402B2 (en) * 2009-05-11 2013-01-01 Schweitzer Engineering Laboratories Inc Islanding detection in an electrical power delivery system
EP2427915B1 (en) 2009-05-22 2013-09-11 Solaredge Technologies Ltd. Electrically isolated heat dissipating junction box
US8303349B2 (en) 2009-05-22 2012-11-06 Solaredge Technologies Ltd. Dual compressive connector
US8690110B2 (en) 2009-05-25 2014-04-08 Solaredge Technologies Ltd. Bracket for connection of a junction box to photovoltaic panels
IT1395530B1 (en) * 2009-05-27 2012-09-28 Carletti METHOD AND ITS APPARATUS FOR THE MANAGEMENT AND CONDITIONING OF ENERGY PRODUCTION FROM PHOTOVOLTAIC PLANTS
US8334618B2 (en) * 2009-11-13 2012-12-18 Eaton Corporation Method and area electric power system detecting islanding by employing controlled reactive power injection by a number of inverters
US8710699B2 (en) 2009-12-01 2014-04-29 Solaredge Technologies Ltd. Dual use photovoltaic system
US8766696B2 (en) 2010-01-27 2014-07-01 Solaredge Technologies Ltd. Fast voltage level shifter circuit
US8258759B2 (en) * 2010-02-03 2012-09-04 Xantrex Technology Inc. Anti-islanding for grid-tie inverter using covariance estimation and logic decision maker
WO2012014315A1 (en) * 2010-07-30 2012-02-02 三菱電機株式会社 Power conditioner
JP5928736B2 (en) * 2010-08-31 2016-06-01 エスエムエー ソーラー テクノロジー アーゲー Inverter with AC interface for AC module connection
US10673229B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
US10673222B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
US10230310B2 (en) 2016-04-05 2019-03-12 Solaredge Technologies Ltd Safety switch for photovoltaic systems
GB2485527B (en) 2010-11-09 2012-12-19 Solaredge Technologies Ltd Arc detection and prevention in a power generation system
GB2486408A (en) 2010-12-09 2012-06-20 Solaredge Technologies Ltd Disconnection of a string carrying direct current
GB2483317B (en) 2011-01-12 2012-08-22 Solaredge Technologies Ltd Serially connected inverters
JP5961932B2 (en) * 2011-06-23 2016-08-03 サンケン電気株式会社 Electric power leveling device
US8570005B2 (en) 2011-09-12 2013-10-29 Solaredge Technologies Ltd. Direct current link circuit
JP2013097596A (en) * 2011-11-01 2013-05-20 Sony Corp Solar battery system, electronic equipment and structure
US9043037B2 (en) 2011-11-10 2015-05-26 International Business Machines Corporation Monitoring and optimizing an electrical grid state
US9037306B2 (en) 2011-11-10 2015-05-19 International Business Machines Corporation Monitoring and optimizing an electrical grid state
GB2498365A (en) 2012-01-11 2013-07-17 Solaredge Technologies Ltd Photovoltaic module
US9853565B2 (en) 2012-01-30 2017-12-26 Solaredge Technologies Ltd. Maximized power in a photovoltaic distributed power system
GB2498790A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Maximising power in a photovoltaic distributed power system
GB2498791A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Photovoltaic panel circuitry
EP2805398B1 (en) * 2012-02-29 2017-10-18 Siemens Aktiengesellschaft Monitoring an electrical power supply network
GB2499991A (en) 2012-03-05 2013-09-11 Solaredge Technologies Ltd DC link circuit for photovoltaic array
WO2013177360A1 (en) 2012-05-25 2013-11-28 Solaredge Technologies Ltd. Circuit for interconnected direct current power sources
US10115841B2 (en) 2012-06-04 2018-10-30 Solaredge Technologies Ltd. Integrated photovoltaic panel circuitry
JP5779561B2 (en) * 2012-09-10 2015-09-16 株式会社日立製作所 Power conversion system
US9478378B2 (en) 2013-01-04 2016-10-25 Schweitzer Engineering Laboratories, Inc. Preventing out-of-synchronism reclosing between power systems
US9620994B2 (en) 2013-01-17 2017-04-11 Eaton Corporation Method and system of anti-islanding of a microgrid in a grid-connected microgrid system
US9548619B2 (en) 2013-03-14 2017-01-17 Solaredge Technologies Ltd. Method and apparatus for storing and depleting energy
US9941813B2 (en) 2013-03-14 2018-04-10 Solaredge Technologies Ltd. High frequency multi-level inverter
EP3506370B1 (en) 2013-03-15 2023-12-20 Solaredge Technologies Ltd. Bypass mechanism
US9318974B2 (en) 2014-03-26 2016-04-19 Solaredge Technologies Ltd. Multi-level inverter with flying capacitor topology
EP3051686B1 (en) * 2015-01-27 2017-11-01 ABB Schweiz AG Method for testing electric system and electric system
JP6414892B2 (en) * 2015-04-27 2018-10-31 ニチコン株式会社 Phase shift type DC power converter
GR20150100513A (en) * 2015-11-25 2017-08-04 Νικολαος Πετρου Παπανικολαου Islanding effect detection method applicable to power-generating units being interconnected to the power network via impedance source inverters and a network switch
US11081608B2 (en) 2016-03-03 2021-08-03 Solaredge Technologies Ltd. Apparatus and method for determining an order of power devices in power generation systems
US10599113B2 (en) 2016-03-03 2020-03-24 Solaredge Technologies Ltd. Apparatus and method for determining an order of power devices in power generation systems
CN107153212B (en) 2016-03-03 2023-07-28 太阳能安吉科技有限公司 Method for mapping a power generation facility
US11018623B2 (en) 2016-04-05 2021-05-25 Solaredge Technologies Ltd. Safety switch for photovoltaic systems
US11177663B2 (en) 2016-04-05 2021-11-16 Solaredge Technologies Ltd. Chain of power devices
US10644493B2 (en) 2017-05-01 2020-05-05 Schweitzer Engineering Laboratories, Inc. Power system disturbance detection using power and frequency
US10312694B2 (en) 2017-06-23 2019-06-04 Schweitzer Engineering Laboratories, Inc. Mode-based output synchronization using relays and a common time source
DE112018006973T5 (en) * 2018-01-30 2020-10-08 Mitsubishi Electric Corporation SERIAL MULTIPLEX INVERTER
JP7034871B2 (en) * 2018-09-26 2022-03-14 シャープ株式会社 Power conditioner, power system and judgment method
JP7034872B2 (en) * 2018-09-26 2022-03-14 シャープ株式会社 Power conditioner, power system and judgment method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999027629A1 (en) * 1997-11-24 1999-06-03 Wills Robert H Anti-islanding method and apparatus for distributed power generation

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728A (en) * 1849-09-18 Coupling fob cabs
US48605A (en) * 1865-07-04 Improvement in drilling artesian wells
US118559A (en) * 1871-08-29 Improvement in wrenches
US135496A (en) * 1873-02-04 Improvement in flour-bolts
US67723A (en) * 1867-08-13 Improvement in pakm-gates
US105765A (en) * 1870-07-26 Improvement in traveling- belt-stop for machinery
US44473A (en) * 1864-09-27 Improved sad-iron heater
JP2743487B2 (en) 1989-06-26 1998-04-22 日本油脂株式会社 Polymerization method of vinyl chloride and polymerization initiator
US5592074A (en) 1992-06-26 1997-01-07 Canon Kabushiki Kaisha Battery power supply system
JP2882952B2 (en) 1992-10-19 1999-04-19 キヤノン株式会社 Power generator
JP3367737B2 (en) 1994-03-04 2003-01-20 株式会社東芝 Control device for grid-connected inverter
US5669987A (en) 1994-04-13 1997-09-23 Canon Kabushiki Kaisha Abnormality detection method, abnormality detection apparatus, and solar cell power generating system using the same
JP3271730B2 (en) 1994-04-28 2002-04-08 キヤノン株式会社 Power generation system charge control device
JP3108282B2 (en) 1994-08-26 2000-11-13 三洋電機株式会社 Islanding detection device
JPH08275390A (en) 1995-03-29 1996-10-18 Canon Inc Method and apparatus for controlling charging and discharging, and power generating system having such apparatus
JPH0916277A (en) 1995-04-24 1997-01-17 Canon Inc Direct-current power supply system with solar battery, and its operating method
JP3270303B2 (en) 1995-07-26 2002-04-02 キヤノン株式会社 Battery power supply device characteristic measuring device and measuring method
JP3587909B2 (en) 1995-09-11 2004-11-10 シャープ株式会社 Protection device for grid-connected power generator
JP3382434B2 (en) 1995-09-22 2003-03-04 キヤノン株式会社 Battery power supply voltage control device and voltage control method
JPH0998539A (en) 1995-10-03 1997-04-08 Mitsubishi Electric Corp System interconnection inverter device
JP3368124B2 (en) 1995-10-26 2003-01-20 キヤノン株式会社 Overcharge prevention circuit
JP3571860B2 (en) 1996-08-23 2004-09-29 キヤノン株式会社 Motor driving device using an unstable power supply
JP3352334B2 (en) 1996-08-30 2002-12-03 キヤノン株式会社 Solar cell power controller
JP3554116B2 (en) 1996-09-06 2004-08-18 キヤノン株式会社 Power control device and solar power generation system using the same
JP3028205B2 (en) 1996-09-18 2000-04-04 オムロン株式会社 Distributed power system and power conditioner
JP3419649B2 (en) 1997-05-27 2003-06-23 シャープ株式会社 Inverter with built-in grid protection function
JP3565470B2 (en) 1997-06-13 2004-09-15 キヤノン株式会社 Ground fault protection device and operation method thereof, photovoltaic power generation system having the same, and inverter for photovoltaic power generation system having the same
JP2001161032A (en) 1999-12-01 2001-06-12 Canon Inc System interconnection power conditioner and power generating system using the same
JP3592595B2 (en) 1999-12-07 2004-11-24 愛知電機株式会社 Power conversion system for grid connection
JP2001275259A (en) 2000-03-29 2001-10-05 Canon Inc Linked system inverter and distributed power generation system
JP3993369B2 (en) 2000-07-14 2007-10-17 株式会社東芝 Manufacturing method of semiconductor device
US7733069B2 (en) 2000-09-29 2010-06-08 Canon Kabushiki Kaisha Power converting apparatus and power generating apparatus
JP2002112553A (en) 2000-09-29 2002-04-12 Canon Inc Power converter, its control method, and generator
JP2002318162A (en) 2001-02-01 2002-10-31 Canon Inc Detection method and protection device of malfunction, and estimation method and estimation device of temperature
JP2002233045A (en) 2001-02-02 2002-08-16 Canon Inc Ground detecting device for photovoltaic power generation system and method
JP2002252986A (en) 2001-02-26 2002-09-06 Canon Inc Inverter, power supply system and method for reducing leakage current in power supply system
JP2003098215A (en) 2001-09-26 2003-04-03 Canon Inc Earth detection method and device in power conversion system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999027629A1 (en) * 1997-11-24 1999-06-03 Wills Robert H Anti-islanding method and apparatus for distributed power generation

Also Published As

Publication number Publication date
US6801442B2 (en) 2004-10-05
EP1362402A2 (en) 2003-11-19
AU2002329062B2 (en) 2004-06-17
CN1529930A (en) 2004-09-15
JP2003180036A (en) 2003-06-27
US20030218888A1 (en) 2003-11-27
KR20040015028A (en) 2004-02-18
WO2003032475A2 (en) 2003-04-17

Similar Documents

Publication Publication Date Title
WO2003032475A3 (en) Power conversion apparatus, power conversion system, and islanding operation detection method
EP1798837A3 (en) Electrical power generation system and method for generating electrical power
WO2009140548A3 (en) System and method for an array of intelligent inverters
WO2010091444A3 (en) Photovoltaic plant having a plurality of inverters, inverter, usb mass storage device and method for carrying out software updates on inverters
EP2400655A3 (en) Power conversion system and method for a rotary power generation system
EP1841036A3 (en) System, method and article of manufacture for controlling operation of an electrical power generation system
EP1746713A4 (en) Inverter system
WO2011139833A3 (en) Method and apparatus for distributed power generation
TW200517803A (en) Maximum-power tracking method and device of solar power generation system
MX2007016176A (en) A variable rotor speed wind turbine, wind park, method of transmitting electric power and method of servicing or inspecting a variable rotor speed wind turbine.
AU2003244400A1 (en) Roof mounted wind turbine
EP2337184A3 (en) Grid-connected energy storage system and method of controlling grid-connected energy storage system
EP1383224A4 (en) Hybrid construction equipment power control apparatus
TW200703872A (en) Motor drive unit
WO2009102842A3 (en) Method and apparatus for distributed var compensation
WO2011134057A8 (en) Power converter for a power generator
EP2042965A3 (en) Method and apparatus for power conversion with maximum power point tracking and burst mode capability
TW200719555A (en) Islanding detection method for a distributed generation power system
MX2011013561A (en) Power conversion system and uninterruptible power source system.
WO2009140536A3 (en) Method and system for providing maximum power point tracking in an energy generating system
CA2598069A1 (en) Power generating system
WO2003026114A3 (en) Universal energy supply system
WO2002056439A3 (en) Power supply system and device driven thereby
EP1909371A3 (en) Method, apparatus and computer program product for wind turbine start-up and operation without grid power
DE60308487D1 (en) ELECTRICITY GENERATOR AND CORRESPONDING SYSTEM

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AU CN KR

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): CH DE ES FR GB IT NL SE

WWE Wipo information: entry into national phase

Ref document number: 10443959

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 1020037007306

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2002329062

Country of ref document: AU

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 028033345

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2002765618

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2002765618

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1020037007306

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 2002329062

Country of ref document: AU

WWR Wipo information: refused in national office

Ref document number: 1020037007306

Country of ref document: KR

WWW Wipo information: withdrawn in national office

Ref document number: 2002765618

Country of ref document: EP