JP2018170861A - 発電機システム - Google Patents
発電機システム Download PDFInfo
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- JP2018170861A JP2018170861A JP2017066548A JP2017066548A JP2018170861A JP 2018170861 A JP2018170861 A JP 2018170861A JP 2017066548 A JP2017066548 A JP 2017066548A JP 2017066548 A JP2017066548 A JP 2017066548A JP 2018170861 A JP2018170861 A JP 2018170861A
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- 230000007935 neutral effect Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 238000010248 power generation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000009499 grossing Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- 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
- H02J3/40—Synchronising a generator for connection to a network or to another generator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
-
- 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
- H02H3/16—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 fault current to earth, frame or mass
-
- 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
- H02H7/06—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 dynamo-electric generators; for synchronous capacitors
- H02H7/062—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 dynamo-electric generators; for synchronous capacitors for parallel connected generators
-
- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/34—Generators with two or more outputs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/006—Means for protecting the generator by using control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/02—Details of the control
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1815—Rotary generators structurally associated with reciprocating piston engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
(1)発電機システム100は、交流を出力するインバータ回路15をそれぞれ有する第1発電機1Aおよび第2発電機1Bと、第1発電機1AのラインL1と第2発電機1BのラインL2とを互いに接続するとともに、第1発電機1Aの中性線N1と第2発電機1Bの中性線N2とをそれぞれ接地する電気回路20と、第1発電機1Aおよび第2発電機1Bの並列接続または直列接続の切替えを指令する切替え指令部23と、切替え指令部23の指令に応じて第1発電機1Aと第2発電機1Bとが並列または直列に接続されるように電気回路20を切替える直並列切替えスイッチ26と、第1発電機1Aが運転された後に第2発電機1Bが運転されるとき、第1発電機1Aのインバータ回路15から出力された交流電圧の波形データを検出する検出器16と、切替え指令部23により並列接続が指令されると、検出器16により検出された第1発電機1Aの波形データと第2発電機1Bのインバータ回路15から出力される交流電圧の波形データとが位相および周波数において一致し、切替え指令部23により直列接続が指令されると、検出器16により検出された第1発電機1Aの波形データと第2発電機1Bのインバータ回路15から出力される交流電圧の波形データとが周波数において一致し、位相において互いに180度だけずれるように第2発電機1Bのインバータ回路15の作動(スイッチング動作)を制御する制御部17と、を備える(図1〜図3)。
Claims (4)
- 交流を出力するインバータ回路をそれぞれ有する第1発電機および第2発電機と、
前記第1発電機の電力供給用の出力線と前記第2発電機の電力供給用の出力線とを互いに接続するとともに、前記第1発電機の中性線と前記第2発電機の中性線とをそれぞれ接地する接続回路と、
前記第1発電機および前記第2発電機の並列接続または直列接続の切替えを指令する切替え指令部と、
前記切替え指令部の指令に応じて前記第1発電機と前記第2発電機とが並列または直列に接続されるように前記接続回路を切替える回路切替え部と、
前記第1発電機が運転され後に前記第2発電機が運転されるとき、前記第1発電機の前記インバータ回路から出力された交流電圧の波形データを取得するデータ取得部と、
前記切替え指令部により並列接続が指令されると、前記データ取得部により取得された前記波形データと前記第2発電機の前記インバータ回路から出力される交流電圧の波形データとが位相および周波数において一致し、前記切替え指令部により直列接続が指令されると、前記データ取得部により取得された前記波形データと前記第2発電機の前記インバータ回路から出力される交流電圧の波形データとが周波数において一致し、位相において互いに180度だけずれするように前記第2発電機の前記インバータ回路の作動を制御する制御部と、を備えることを特徴とする発電機システム。 - 請求項1に記載の発電機システムにおいて、
前記接続回路は、地絡電流を検出する地絡検出部と、前記地絡検出部により地絡電流が検出されると、前記第1発電機および前記第2発電機から負荷へ至る電路を遮断する電路遮断部とを有することを特徴とする発電機システム。 - 請求項2に記載の発電機システムにおいて、
前記第1発電機の前記中性線と前記第2発電機の前記中性線とは、互いに接続されて接地されることを特徴とする発電機システム。 - 請求項1〜3のいずれか1項に記載の発電機システムにおいて、
前記第1発電機の前記出力線と前記中性線および前記第2発電機の前記出力線と前記中性線がそれぞれ接続される運転切替えボックスをさらに備え、
前記運転切替えボックスは、前記接続回路を有するともに、並列接続時に負荷が接続される並列出力端子と直列接続時に負荷が接続される直列出力端子とを有することを特徴とする発電機システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017066548A JP6809960B2 (ja) | 2017-03-30 | 2017-03-30 | 発電機システム |
CN201810241000.9A CN108696216B (zh) | 2017-03-30 | 2018-03-22 | 发电机系统 |
US15/936,374 US10348097B2 (en) | 2017-03-30 | 2018-03-26 | Generator system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017066548A JP6809960B2 (ja) | 2017-03-30 | 2017-03-30 | 発電機システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018170861A true JP2018170861A (ja) | 2018-11-01 |
JP6809960B2 JP6809960B2 (ja) | 2021-01-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017066548A Active JP6809960B2 (ja) | 2017-03-30 | 2017-03-30 | 発電機システム |
Country Status (3)
Country | Link |
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US (1) | US10348097B2 (ja) |
JP (1) | JP6809960B2 (ja) |
CN (1) | CN108696216B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10840653B2 (en) | 2018-11-27 | 2020-11-17 | Honda Motor Co., Ltd. | Electric device and wiring cable |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9812969B2 (en) * | 2014-11-26 | 2017-11-07 | Leviton Manufacturing Co., Inc. | Ground leakage power supply for dimming applications |
US10566797B2 (en) * | 2017-03-13 | 2020-02-18 | Mitsubishi Electric Research Laboratories, Inc. | Power electronic converter based synchronizer for generators |
US10822116B2 (en) * | 2017-05-17 | 2020-11-03 | Ge Aviation Systems Llc | Power distribution network |
EP4148942B1 (en) * | 2017-09-28 | 2024-06-19 | Huawei Technologies Co., Ltd. | Method for synchronizing pwm control signals of inverters, inverter, and power grid system |
US11183852B2 (en) * | 2017-12-12 | 2021-11-23 | Shindengen Electric Manufacturing Co., Ltd. | Inverter generator for synchronizing a phase of an output voltage and control method thereof |
Family Cites Families (14)
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JP4641124B2 (ja) * | 2001-08-02 | 2011-03-02 | 本田技研工業株式会社 | 多重結合インバータ装置 |
CN1739234A (zh) * | 2003-01-17 | 2006-02-22 | 布莱克和戴克公司 | 具有用于120/240vac工作的双循环换流器的发电机 |
CN101183847B (zh) * | 2007-09-24 | 2011-05-18 | 南京航空航天大学 | 多体式电励磁双凸极风力发电机 |
EP2451041A1 (en) * | 2010-11-03 | 2012-05-09 | Converteam Technology Ltd | Methods of operating dual fed systems |
JP2012231607A (ja) * | 2011-04-26 | 2012-11-22 | Fuji Electric Co Ltd | 風力発電装置 |
JP5662870B2 (ja) * | 2011-05-17 | 2015-02-04 | 本田技研工業株式会社 | エンジン発電機の始動制御装置 |
RU2515474C2 (ru) * | 2011-05-17 | 2014-05-10 | Хонда Мотор Ко., Лтд. | Инверторный генератор |
JP5839836B2 (ja) * | 2011-05-17 | 2016-01-06 | 本田技研工業株式会社 | インバータ発電機の並列運転制御装置 |
RU2518905C2 (ru) * | 2011-05-17 | 2014-06-10 | Хонда Мотор Ко., Лтд. | Управляющее устройство обеспечения параллельной работы для инверторного генератора |
JP5745931B2 (ja) * | 2011-05-17 | 2015-07-08 | 本田技研工業株式会社 | インバータ発電機の制御装置 |
US9190848B2 (en) * | 2012-04-30 | 2015-11-17 | Champion Power Equipment, Inc. | Parallel linkage for generators |
EP4071994A1 (en) * | 2012-07-06 | 2022-10-12 | GE Energy Power Conversion Technology Ltd. | Power distribution systems |
CN108988378B (zh) * | 2017-05-30 | 2024-05-31 | 太阳能安吉科技有限公司 | 汇流器以及用于路由电力的方法及装置 |
US10483886B2 (en) * | 2017-09-14 | 2019-11-19 | Hamilton Sundstrand Corportion | Modular electric power generating system with multistage axial flux generator |
-
2017
- 2017-03-30 JP JP2017066548A patent/JP6809960B2/ja active Active
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- 2018-03-22 CN CN201810241000.9A patent/CN108696216B/zh active Active
- 2018-03-26 US US15/936,374 patent/US10348097B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10840653B2 (en) | 2018-11-27 | 2020-11-17 | Honda Motor Co., Ltd. | Electric device and wiring cable |
Also Published As
Publication number | Publication date |
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US20180287391A1 (en) | 2018-10-04 |
JP6809960B2 (ja) | 2021-01-06 |
US10348097B2 (en) | 2019-07-09 |
CN108696216B (zh) | 2021-07-13 |
CN108696216A (zh) | 2018-10-23 |
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