JP2016201981A - インバータの出力地絡検出方法 - Google Patents
インバータの出力地絡検出方法 Download PDFInfo
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- JP2016201981A JP2016201981A JP2016054996A JP2016054996A JP2016201981A JP 2016201981 A JP2016201981 A JP 2016201981A JP 2016054996 A JP2016054996 A JP 2016054996A JP 2016054996 A JP2016054996 A JP 2016054996A JP 2016201981 A JP2016201981 A JP 2016201981A
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- inverter
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 239000013598 vector Substances 0.000 claims description 23
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- 238000001914 filtration Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/529—Current
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (10)
- レッグシャント抵抗を用いてインバータの出力地絡を検出する方法であって、
インバータ三相出力電流を検出する段階と、
前記インバータの電圧利用率が設定許容電圧レベル以上であるか否かを判断する段階と、
前記インバータの出力地絡が発生したか否かを判断する段階とを含む、インバータの出力地絡検出方法。 - 前記インバータの電圧利用率が前記設定許容電圧レベル以上の場合、前記インバータの電圧利用率が設定許容電圧レベル以上であるか否かを判断する段階の後に、前記インバータの出力電流レベルが設定許容電流レベル以上であるか否かを判断する段階をさらに含む、請求項1に記載のインバータの出力地絡検出方法。
- 前記インバータの出力電流レベルが前記設定許容電流レベル以上の場合、前記インバータの出力電流レベルが設定許容電流レベル以上であるか否かを判断する段階の後に、ゼロベクトルのパルス幅変調信号を出力し、ゼロベクトル区間でインバータ三相出力電流をサンプリングする段階をさらに含む、請求項2に記載のインバータの出力地絡検出方法。
- 前記インバータの出力地絡が発生したか否かを判断する段階においては、前記サンプリングされたインバータ三相出力電流を用いて前記インバータの出力地絡の有無を判断する、請求項3に記載のインバータの出力地絡検出方法。
- 前記サンプリングされたインバータ三相出力電流の和が設定出力地絡レベル以上の場合、出力地絡が発生したものと判断して保護動作を行う、請求項3又は4に記載のインバータの出力地絡検出方法。
- 前記インバータの電圧利用率が前記設定許容電圧レベル未満の場合、前記インバータ三相出力電流の和が設定出力地絡レベル以上であるか否かを判断し、前記インバータ三相出力電流の和が前記設定出力地絡レベル以上の場合、出力地絡が発生したものと判断して保護動作を行う、請求項1に記載のインバータの出力地絡検出方法。
- 前記インバータの出力電流レベルが前記設定許容電流レベル未満の場合、前記インバータ三相出力電流を検出する段階にフィードバックする、請求項2に記載のインバータの出力地絡検出方法。
- 前記インバータ三相出力電流を検出する段階の後に、LPF(Low Pass Filter)を用いてフィルタリングする段階をさらに含む、請求項1に記載のインバータの出力地絡検出方法。
- 前記レッグシャント抵抗は、前記インバータの各相の下段IGBTエミッタ端にそれぞれ配置される3つのレッグシャント抵抗である、請求項1に記載のインバータの出力地絡検出方法。
- 前記インバータ三相出力電流は、前記3つのレッグシャント抵抗に印加される電圧を検出して計算する、請求項9に記載のインバータの出力地絡検出方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0050090 | 2015-04-09 | ||
KR1020150050090A KR101993195B1 (ko) | 2015-04-09 | 2015-04-09 | 인버터의 지락 검출 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016201981A true JP2016201981A (ja) | 2016-12-01 |
JP6329194B2 JP6329194B2 (ja) | 2018-05-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016054996A Expired - Fee Related JP6329194B2 (ja) | 2015-04-09 | 2016-03-18 | インバータの出力地絡検出方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9983249B2 (ja) |
EP (1) | EP3078977B1 (ja) |
JP (1) | JP6329194B2 (ja) |
KR (1) | KR101993195B1 (ja) |
CN (1) | CN106054012B (ja) |
ES (1) | ES2757941T3 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6897025B2 (ja) * | 2016-08-08 | 2021-06-30 | 株式会社アイシン | モータ制御装置 |
KR101922998B1 (ko) * | 2017-03-21 | 2018-11-28 | 엘에스산전 주식회사 | 인버터의 출력전류 검출 장치 |
CN107505533B (zh) * | 2017-09-14 | 2020-11-10 | 爱士惟新能源技术(扬中)有限公司 | 并网逆变器的火线接地故障检测方法及采样信号处理方法 |
CN109188230B (zh) * | 2018-08-15 | 2020-09-29 | 华为技术有限公司 | 一种检测电源绝缘性的电路、方法及车载充电机 |
CN109884449B (zh) * | 2019-02-26 | 2021-07-16 | 广东省智能机器人研究院 | 电机驱动系统三相逆变器桥臂开路故障实时检测方法 |
KR102138360B1 (ko) | 2019-04-11 | 2020-07-27 | 엘에스일렉트릭(주) | 출력지락 검출이 가능한 인버터 시스템과 이를 이용한 출력지락 검출 방법 |
CN110058111B (zh) * | 2019-04-22 | 2021-01-15 | 浙江万里学院 | 基于相电压残差的t型三电平逆变器故障诊断方法 |
CN112798982B (zh) * | 2020-12-29 | 2021-12-14 | 武汉大学 | 基于模型的三相变流器功率管开路故障诊断方法及系统 |
CN113341206B (zh) * | 2021-06-21 | 2022-03-04 | 广东电网有限责任公司 | 一种gis双母线并列电流分步的确定方法及装置 |
CN116298866A (zh) * | 2023-02-10 | 2023-06-23 | 江苏吉泰科电气有限责任公司 | 一种电机控制器输出侧接地故障的检测方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH06351280A (ja) * | 1993-06-04 | 1994-12-22 | Shibaura Eng Works Co Ltd | モータの相電流検出装置 |
JP2002238299A (ja) * | 2002-02-06 | 2002-08-23 | Mitsubishi Electric Corp | インバータの故障検出方式 |
JP2012157103A (ja) * | 2011-01-24 | 2012-08-16 | Mitsubishi Electric Corp | インバータ装置、ファン駆動装置、圧縮機駆動装置および空気調和機 |
Family Cites Families (12)
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US487527A (en) * | 1892-12-06 | Walter hay | ||
US4870527A (en) * | 1986-05-01 | 1989-09-26 | Emerson Electric Company | Ground fault protection system |
JPH04210779A (ja) | 1990-12-14 | 1992-07-31 | Mitsubishi Electric Corp | インバータ装置の地絡検出器及び地絡検出方法 |
JP3291390B2 (ja) * | 1994-02-07 | 2002-06-10 | 三菱電機株式会社 | インバータの故障検出方式 |
US5768079A (en) * | 1996-09-25 | 1998-06-16 | Cooper Industries, Inc. | Adaptive ground and phase fault detection for a power distribution system |
KR100566437B1 (ko) * | 2003-11-11 | 2006-03-31 | 엘에스산전 주식회사 | 위상천이를 이용한 인버터 고장 검출 장치 및 방법 |
JP4715677B2 (ja) | 2006-08-11 | 2011-07-06 | 株式会社デンソー | 3相回転機の制御装置 |
JP5537837B2 (ja) | 2009-05-27 | 2014-07-02 | サンデン株式会社 | モータ制御装置 |
CN102480245B (zh) | 2010-11-30 | 2016-04-06 | Ls产电株式会社 | 逆变器 |
KR101142749B1 (ko) * | 2010-12-17 | 2012-05-04 | 엘에스산전 주식회사 | 인버터 지락 검출 시스템 및 인버터 지락 검출 방법 |
KR101202949B1 (ko) | 2011-06-29 | 2012-11-19 | 엘에스산전 주식회사 | 레그 션트 전류 검출 장치 |
US9160161B2 (en) | 2012-05-04 | 2015-10-13 | Eaton Corporation | System and method for ground fault detection and protection in adjustable speed drives |
-
2015
- 2015-04-09 KR KR1020150050090A patent/KR101993195B1/ko active IP Right Grant
-
2016
- 2016-03-07 US US15/063,220 patent/US9983249B2/en active Active
- 2016-03-09 EP EP16159321.5A patent/EP3078977B1/en active Active
- 2016-03-09 ES ES16159321T patent/ES2757941T3/es active Active
- 2016-03-18 JP JP2016054996A patent/JP6329194B2/ja not_active Expired - Fee Related
- 2016-04-06 CN CN201610211222.7A patent/CN106054012B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06351280A (ja) * | 1993-06-04 | 1994-12-22 | Shibaura Eng Works Co Ltd | モータの相電流検出装置 |
JP2002238299A (ja) * | 2002-02-06 | 2002-08-23 | Mitsubishi Electric Corp | インバータの故障検出方式 |
JP2012157103A (ja) * | 2011-01-24 | 2012-08-16 | Mitsubishi Electric Corp | インバータ装置、ファン駆動装置、圧縮機駆動装置および空気調和機 |
Also Published As
Publication number | Publication date |
---|---|
CN106054012B (zh) | 2018-12-25 |
ES2757941T3 (es) | 2020-04-30 |
US20160299184A1 (en) | 2016-10-13 |
EP3078977B1 (en) | 2019-09-11 |
KR101993195B1 (ko) | 2019-06-26 |
US9983249B2 (en) | 2018-05-29 |
EP3078977A1 (en) | 2016-10-12 |
KR20160120914A (ko) | 2016-10-19 |
JP6329194B2 (ja) | 2018-05-23 |
CN106054012A (zh) | 2016-10-26 |
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