JP2020195215A - 電源システム - Google Patents
電源システム Download PDFInfo
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- JP2020195215A JP2020195215A JP2019099531A JP2019099531A JP2020195215A JP 2020195215 A JP2020195215 A JP 2020195215A JP 2019099531 A JP2019099531 A JP 2019099531A JP 2019099531 A JP2019099531 A JP 2019099531A JP 2020195215 A JP2020195215 A JP 2020195215A
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- 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
- H02H7/1213—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 DC-DC 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
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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
- H02P27/08—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 with pulse width modulation
- H02P27/085—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 with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
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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
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Protection Of Static Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
図1は、本実施形態に係る電源システム1を搭載する電動車両V(以下、単に「車両」という)の構成を示す図である。
第1バッテリB1は、第2バッテリB2よりも出力重量密度が低くかつエネルギ重量密度が高い。また第1バッテリB1は第2バッテリB2よりも容量が大きい。すなわち、第1バッテリB1は、エネルギ重量密度の点で第1バッテリB1よりも優れる。なお、エネルギ重量密度とは、単位重量あたりの電力量[Wh/kg]であり、出力重量密度とは、単位重量あたりの電力[W/kg]である。したがって、エネルギ重量密度が優れている第1バッテリB1は、高容量を主目的とした容量型の蓄電器であり、出力重量密度が優れている第2バッテリB2は、高出力を主目的とした出力型の蓄電器である。このため電源システム1では、第1バッテリB1を主電源として用い、第2バッテリB2をこの第1バッテリB1を補う副電源として用いる。
(1)電源システム1では、第1バッテリB1を有する第1電力回路2と、第2バッテリB2を有する第2電力回路3と、を電圧変換器5で接続する。このような電源システム1において、電圧変換器5のうち第1電力回路2の第1電力線21pと第2電力回路3の第2電力線31pとを接続するスイッチング素子であるハイアーム素子53Hがオン故障すると、このハイアーム素子53Hをオンに操作していない状態であっても、第1電力回路2側から第2電力回路3側へ負の通過電流が流れる場合がある。これを利用して電源システム1では、故障判定部73bは、通過電力制御部73aが電圧変換器5のハイアーム素子53Hをオンに操作していない状態で通過電流値Iactが負になった場合に、電圧変換器5が故障したと判定する。よって電源システム1によれば、電源システム1を起動した直後から、すなわち通過電力制御部73aによって電圧変換器5のPWM制御を開始する前から速やかに電圧変換器5の故障を判定することができる。
W…駆動輪
M…駆動モータ
1…電源システム
2…第1電力回路(第1回路)
B1…第1バッテリ(第1電源)
3…第2電力回路(第2回路)
32p,32n…コンタクタ(第2電気機器)
B2…第2バッテリ(第2電源)
33…電流センサ(通過電流取得手段)
4…負荷回路
43…電力変換器
5…電圧変換器
L…リアクトル(第1電気機器)
71…マネジメントECU
72…モータECU
73…コンバータECU
73a…通過電力制御部(制御手段)
73b…故障判定部(故障判定手段、保護手段)
74…第1バッテリECU
75…第2バッテリECU(保護手段)
Claims (5)
- 第1電源を有する第1回路と、
第2電源を有する第2回路と、
前記第1回路と前記第2回路との間で電圧を変換する電圧変換器と、
前記第1回路と駆動モータとの間で電力を変換する電力変換器と、
前記第2回路側から前記第1回路側へ流れる向きを正とする前記電圧変換器の電流値である通過電流値を取得する通過電流取得手段と、
前記電圧変換器を操作する制御手段と、
前記通過電流値に基づいて前記電圧変換器の故障を判定する故障判定手段と、を備える電源システムであって、
前記故障判定手段は、前記制御手段が前記電圧変換器のハイアーム側スイッチング素子をオンに操作していない状態で前記通過電流値が負になった場合に前記電圧変換器が故障したと判定するとともに、前記通過電流値が初めて負になってから前記電圧変換器が故障したと判定するまでの時間を前記通過電流値が負側へ大きくなるほど短くすることを特徴とする電源システム。 - 前記故障判定手段は、前記通過電流値に所定値の重み係数を乗算して得られる値の時間積分値が所定の閾値に到達した場合に前記電圧変換器が故障したと判定することを特徴とする請求項1に記載の電源システム。
- 前記第2回路又は前記電圧変換器に設けられた第1電気機器及び第2電気機器と、
前記故障判定手段によって前記電圧変換器が故障したと判定された場合には、前記第1及び第2電気機器に電流が流れないようにする保護手段と、をさらに備えることを特徴とする請求項1又は2に記載の電源システム。 - 前記第2回路又は前記電圧変換器に設けられた第1電気機器及び第2電気機器と、
前記故障判定手段によって前記電圧変換器が故障したと判定された場合には、前記第1及び第2電気機器に電流が流れないようにする保護手段と、をさらに備え、
前記故障判定手段は、前記第1及び第2電気機器の何れも故障する前に前記電圧変換器が故障したと判定するように前記重み係数の値を設定することを特徴とする請求項2に記載の電源システム。 - 前記故障判定手段は、前記通過電流値に基づいて前記第1及び第2電気機器の各々の将来の温度と、前記第1電気機器の将来の温度がその保護温度を超える時期である第1時期と、前記第2電気機器の将来の温度がその保護温度を超える時期である第2時期と、を推定し、前記第1時期が前記第2時期よりも早い場合には前記通過電流値に基づいて前記第1電気機器の特性によって設定された第1マップを検索することによって前記重み係数の値を設定し、前記第2時期が前記第1時期よりも早い場合には前記通過電流値に基づいて前記第2電気機器の特性によって設定された第2マップを検索することによって前記重み係数の値を設定することを特徴とする請求項4に記載の電源システム。
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JP2019099531A JP7039520B2 (ja) | 2019-05-28 | 2019-05-28 | 電源システム |
US16/882,766 US11489329B2 (en) | 2019-05-28 | 2020-05-26 | Power supply system |
CN202010456463.4A CN112019000B (zh) | 2019-05-28 | 2020-05-26 | 电源系统 |
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JP2019099531A JP7039520B2 (ja) | 2019-05-28 | 2019-05-28 | 電源システム |
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JP2020195215A true JP2020195215A (ja) | 2020-12-03 |
JP7039520B2 JP7039520B2 (ja) | 2022-03-22 |
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CN113261169A (zh) * | 2019-01-14 | 2021-08-13 | 斯迈特制冷机集团公司 | 直流冷却器方法及系统 |
US11376922B2 (en) * | 2019-09-09 | 2022-07-05 | Thermo King Corporation | Transport climate control system with a self-configuring matrix power converter |
JP2022145064A (ja) * | 2021-03-19 | 2022-10-03 | 本田技研工業株式会社 | 電源システム |
JP2022144893A (ja) * | 2021-03-19 | 2022-10-03 | 本田技研工業株式会社 | 電源システム |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030234634A1 (en) * | 2002-06-25 | 2003-12-25 | Young-Kook Lee | Method and system for diagnosing an arm-short of a bi-directional DC/DC converter |
JP2009100507A (ja) * | 2007-10-15 | 2009-05-07 | Toyota Motor Corp | 負荷駆動装置、電動車両、負荷駆動装置の制御方法およびその制御方法をコンピュータに実行させるためのプログラムを記録したコンピュータ読取可能な記録媒体 |
JP2013118791A (ja) * | 2011-12-05 | 2013-06-13 | Hitachi Vehicle Energy Ltd | 電池制御装置および蓄電装置 |
JP2015177712A (ja) * | 2014-03-18 | 2015-10-05 | 三菱電機株式会社 | モータの制御装置 |
JP2017085755A (ja) * | 2015-10-27 | 2017-05-18 | 本田技研工業株式会社 | 蓄電装置、輸送機器及び制御方法 |
JP2017169311A (ja) * | 2016-03-15 | 2017-09-21 | 本田技研工業株式会社 | 駆動装置、輸送機器及び制御方法 |
JP2018033214A (ja) * | 2016-08-23 | 2018-03-01 | トヨタ自動車株式会社 | 電源システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4622583B2 (ja) * | 2005-03-01 | 2011-02-02 | トヨタ自動車株式会社 | 故障診断装置および車両 |
GB2448741A (en) * | 2007-04-26 | 2008-10-29 | Cambridge Semiconductor Ltd | Current sensing and overload protection of a switch mode power converter |
JP5421889B2 (ja) * | 2010-11-09 | 2014-02-19 | 三菱電機株式会社 | 電源装置 |
JP6187515B2 (ja) * | 2015-03-20 | 2017-08-30 | トヨタ自動車株式会社 | 電源システム |
JP7081959B2 (ja) * | 2018-03-30 | 2022-06-07 | 本田技研工業株式会社 | 車両電源システム |
JP6989431B2 (ja) * | 2018-03-30 | 2022-01-05 | 本田技研工業株式会社 | 車両電源システム |
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- 2019-05-28 JP JP2019099531A patent/JP7039520B2/ja active Active
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- 2020-05-26 CN CN202010456463.4A patent/CN112019000B/zh active Active
- 2020-05-26 US US16/882,766 patent/US11489329B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030234634A1 (en) * | 2002-06-25 | 2003-12-25 | Young-Kook Lee | Method and system for diagnosing an arm-short of a bi-directional DC/DC converter |
JP2009100507A (ja) * | 2007-10-15 | 2009-05-07 | Toyota Motor Corp | 負荷駆動装置、電動車両、負荷駆動装置の制御方法およびその制御方法をコンピュータに実行させるためのプログラムを記録したコンピュータ読取可能な記録媒体 |
JP2013118791A (ja) * | 2011-12-05 | 2013-06-13 | Hitachi Vehicle Energy Ltd | 電池制御装置および蓄電装置 |
JP2015177712A (ja) * | 2014-03-18 | 2015-10-05 | 三菱電機株式会社 | モータの制御装置 |
JP2017085755A (ja) * | 2015-10-27 | 2017-05-18 | 本田技研工業株式会社 | 蓄電装置、輸送機器及び制御方法 |
JP2017169311A (ja) * | 2016-03-15 | 2017-09-21 | 本田技研工業株式会社 | 駆動装置、輸送機器及び制御方法 |
JP2018033214A (ja) * | 2016-08-23 | 2018-03-01 | トヨタ自動車株式会社 | 電源システム |
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