JPWO2017126261A1 - 直流電流センサ、交流電流センサ及びこれらを有するインバータ - Google Patents
直流電流センサ、交流電流センサ及びこれらを有するインバータ Download PDFInfo
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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
- 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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- 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
- B60L3/0038—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to sensors
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems
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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
- H02M7/53—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
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
-
- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
- B60L2220/14—Synchronous machines
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/429—Current
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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
- 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
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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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- 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
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/03—AC-DC converter stage controlled to provide a defined DC link voltage
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- 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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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
固定子の巻線を相毎に独立した巻線を有しかつ各々の独立巻線に個別に電圧が印加される交流モータ200を駆動する複数のインバータ300,301に供給される直流電流を検出する直流電流センサ380において、複数のインバータは各P母線を繋ぐP渡り線150と、各N母線を繋ぐN渡り線160と、を有し、直流電流センサ380はP渡り線とN渡り線を囲むコアを有し、P母線とN母線に出入りする電流をまとめて検出することで、小さい容量の電流センサを採用でき、センサ精度を改善し、電流センサの良否判断を精度良く行うことができる。
Description
(システム構成)
図2は、本発明の実施例1に係る電動機駆動装置の配線図であり、実施例1におけるキルヒホッフの法則を成立させる電流検出位置の説明に供するものである。
するコアを貫通するようにP母線渡り線130とN母線渡り線150を配置することでIdL1とIdL2の和を得ることができる。
上記の4つのセンサ310,320,330,380によって、3相インバータ300から流れる5つの電流の総和値を検出できる。キルヒホッフの法則により数式(1)が使える。各々の電流センサの誤差と検出タイミングずれによって生じる検出誤差を考慮した閾値に対し、Iu+Iv+Iw+(IdL1+IdL2)を評価し、5つの電流の総和値の絶対値が閾値を下回った場合、すべての電流センサが良と判断する。5つの電流の総和値の絶対値が閾値を超えた場合、いずれかの電流センサが否と判断する。
図3は、本発明の実施例2に係る電動機駆動装置の配線図である。実施例1との違いは、DC電流センサ380が無く、代わりにP母線渡り線150とN母線渡り線160は一部が近接配置され、DC電流センサ390にてP母線渡り線150とN母線渡り線160に流れる電流(IdR1,IdR2)をまとめて検出する点にある。DC電流センサ390は、P母線渡
り線150とN母線渡り線160を囲むコアを有している。
図4は、本発明の実施例3に係る電動機駆動装置の配線図である。実施例1との違いは、DC電流センサ380が無く、代わりにAC電流センサ395にて3つのAC電流値をまとめて検出する点にある。この検出値(IdAll)は、(IdL1+IdL2)と等価である。上記した構成以外の説明は実施例1と同じになるので、その詳細な説明は省略する。AC電流センサ395は、交流モータ200の各相の電流を流す3本の交流電線の全てを囲むコアを有している。
110 プラス側直流パワーケーブル
120 マイナス側直流パワーケーブル
130,150 P母線渡り線(P渡り線)
140,160 N母線渡り線(N渡り線)
200 オープン巻線型モータ(交流モータ)
300,301 3相インバータ
310,320,330 それぞれU相V相W相用AC電流センサ
340,360 P母線に出入りする電流を検出する電流センサ
350,370 N母線に出入りする電流を検出する電流センサ
380,390 P母線とN母線に出入りする電流をまとめて検出する電流センサ
395 AC電流をまとめて検出する電流センサ
Claims (7)
- 固定子の巻線が相毎に独立した独立巻線を有しかつ各々の独立巻線に個別に電圧が印加される交流モータを駆動する複数のインバータに供給される直流電流を検出する直流電流センサであって、
前記複数のインバータは、該複数のインバータの各P母線を繋ぐP渡り線と、前記複数のインバータの各N母線を繋ぐN渡り線と、を有し、
前記直流電流センサは、前記P渡り線と前記N渡り線を囲むコアを有する直流電流センサ。 - 請求項1に記載の直流電流センサであって、
前記P渡り線の0相電流と前記N渡り線の0相電流を含んだ情報を出力する直流電流センサ。 - 請求項1又は2に記載の直流電流センサを有するインバータであって、
各々の巻線に流れる交流電流を検出する交流電流センサと、
前記直流電流センサからの出力情報と前記交流電流センサからの出力信号に基づいて該直流電流センサ及び/又は該交流電流センサの故障の診断を行う診断部と、を備えるインバータ。 - 請求項2に記載の直流電流センサを有するインバータであって、
前記直流電流を前記交流電流に変換するスイッチング回路部と、
前記直流電流センサの出力情報に基づいて、前記0相電流を抑制するように前記スイッチング回路部を制御する制御部と、を備えるインバータ。 - 固定子の巻線を相毎に独立した巻線を有しかつ各々の独立巻線に個別に電圧が印加される交流モータの各相に流れる交流電流を検出する交流電流センサであって、
前記交流モータの前記各相の電流を流す各交流電線の全てを囲むコアを有する交流電流センサ。 - 請求項5に記載の交流電流センサを有するインバータであって、
前記各交流電線のそれぞれを囲む複数の各相交流電流センサと、
前記交流電流センサからの出力情報と前記各相交流電流センサからの出力信号に基づいて該交流電流センサ及び/又は該各相交流電流センサの故障の診断を行う診断部と、を備えるインバータ。 - 請求項5に記載の交流電流センサを有するインバータであって、
前記直流電流を前記交流電流に変換するスイッチング回路部と、
前記交流電流センサの出力情報に基づいて、前記0相電流を抑制するように前記スイッチング回路部を制御する制御部と、を備えるインバータ。
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- 2016-12-16 US US16/067,418 patent/US20190013760A1/en not_active Abandoned
- 2016-12-16 CN CN201680064149.3A patent/CN108352803A/zh active Pending
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JPH07135797A (ja) * | 1993-11-09 | 1995-05-23 | Takao Kawabata | インバータ装置 |
JP2001023842A (ja) * | 1999-07-05 | 2001-01-26 | Mitsubishi Electric Corp | 零相電流検出用変成器 |
JP2004032917A (ja) * | 2002-06-26 | 2004-01-29 | Nissan Motor Co Ltd | モータ制御装置 |
JP2013130440A (ja) * | 2011-12-21 | 2013-07-04 | Mitsubishi Electric Corp | 絶縁劣化診断装置 |
US20140265967A1 (en) * | 2013-03-14 | 2014-09-18 | Microchip Technology Incorporated | Sine Modified Trapezoidal Drive for Brushless DC Motors |
JP2015097472A (ja) * | 2013-08-12 | 2015-05-21 | 日本精工株式会社 | モータ制御装置、これを使用した電動パワーステアリング装置および車両 |
CN103684201A (zh) * | 2013-11-25 | 2014-03-26 | 刘建平 | 六相无回馈型交流电机变频器 |
Also Published As
Publication number | Publication date |
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US20190013760A1 (en) | 2019-01-10 |
JP6454034B2 (ja) | 2019-01-16 |
WO2017126261A1 (ja) | 2017-07-27 |
CN108352803A (zh) | 2018-07-31 |
EP3407483A1 (en) | 2018-11-28 |
EP3407483B1 (en) | 2023-10-11 |
EP3407483A4 (en) | 2020-03-11 |
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