JP2017147782A - 二次電池切り離し方法 - Google Patents
二次電池切り離し方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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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
- B60L3/04—Cutting off the power supply under fault conditions
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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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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
-
- 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
- B60L2210/10—DC to DC 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
- 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
-
- 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
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—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
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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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
-
- 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
- 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
- Y02T10/72—Electric energy management 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Fuel Cell (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
【解決手段】制御部30は、二次電池20の異常を検知する異常検知ステップと、二次電池20の異常の検知後にバッテリ昇圧コンバータ22を通した二次電池20側への電流の流れを遮断する電流遮断ステップと、コンデンサ17のコンデンサ電圧Vcが二次電池20の電池電圧Vbに対して所定値Vsより大きいか否かを判定する電圧判定ステップと、コンデンサ電圧Vcが電池電圧Vbに対して所定値Vsより大きいと判定した際に、リレー21を作動させて二次電池20を電力供給経路Bから切り離す切り離しステップと、を含む無電弧開放制御を行う。
【選択図】図2
Description
二次電池から電力供給経路を通して走行用モータに電力を供給可能な電力供給システムにおける前記二次電池の前記電力供給経路からの切り離しを行う二次電池切り離し方法であって、
前記電力供給システムは、
前記二次電池と前記走行用モータとの間の電力供給経路に設けられたコンバータと、
前記電力供給経路における前記コンバータよりも前記走行用モータ側に設けられた蓄電部と、
前記電力供給経路における前記コンバータよりも前記二次電池側に設けられたリレーと、
前記走行用モータ、前記コンバータ及び前記リレーを制御する制御部と、
を備え、
前記制御部は、
前記二次電池の異常を検知する異常検知ステップと、
前記二次電池の異常の検知後に前記コンバータを通した前記二次電池側への電流の流れを遮断する電流遮断ステップと、
前記蓄電部の電圧が前記二次電池の電圧に対して所定値より大きいか否かを判定する電圧判定ステップと、
前記蓄電部の電圧が前記二次電池の電圧に対して所定値以下であると判定した際には前記二次電池の前記電力供給経路からの切り離しは行わない一方で、前記蓄電部の電圧が前記二次電池の電圧に対して所定値より大きいと判定した際に、前記リレーを作動させて前記二次電池を前記電力供給経路から切り離す切り離しステップと、
を含む無電弧開放制御を行う。
なお、本実施形態では、燃料電池を備えた燃料電池システムを例にとって説明する。
図1に示すように、本実施形態の燃料電池システム(電力供給システム)11は、負荷への電力供給源として、燃料電池12及び二次電池20を備えている。
制御部30は、二次電池20の故障などの異常を検知すると(ステップS1)、燃料電池システム11の全ての補機(トラクションモータ13、駆動モータ14及び補機モータ25,26等)を予め設定された最低限の駆動として消費電力を最小化する。これにより、燃料電池12は、ほぼ発電停止状態となり、FC昇圧コンバータ15及びバッテリ昇圧コンバータ22が停止される。すると、停止されたバッテリ昇圧コンバータ22によって二次電池20側への電流の流れが遮断される(ステップS2)。
この状態において、制御部30は、コンデンサ17の電圧であるコンデンサ電圧Vcと二次電池20の電圧である電池電圧Vbとを比較する。そして、次式(1)に示すように、コンデンサ電圧Vcが電池電圧Vbに所定値Vsを加えた電圧値よりも大きいか否か、つまり、コンデンサ電圧Vcが電池電圧Vbに対して所定値Vsよりも大きいか否かを判定する(ステップS3)。
コンデンサ電圧Vcが電池電圧Vbに対して所定値Vs以下の場合(ステップS3:No)、制御部30は、リレー21を作動させずに、言い換えれば、二次電池20を電力供給経路Bから切り離さずに、トラクションモータ13の回生によってコンデンサ17にチャージし、コンデンサ電圧Vcを昇圧させる(ステップS4)。このトラクションモータ13の回生によるコンデンサ17のチャージは、ユーザの要求などによらず、コンデンサ電圧Vcが電池電圧Vbに対して所定値Vsよりも大きくなるまで継続される。
コンデンサ電圧Vcが電池電圧Vbに対して所定値Vsよりも大きい場合(ステップS3:Yes)、制御部30は、燃料電池システム11の全ての補機(トラクションモータ13、駆動モータ14及び補機モータ25,26等)を停止させ、その後、リレー21を作動させて二次電池20を電力供給経路Bから切り離す(ステップS5)。
13 トラクションモータ(走行用モータ)
17 コンデンサ(蓄電部)
20 二次電池
21 リレー
22 バッテリ昇圧コンバータ(コンバータ)
30 制御部
A,B 電力供給経路
Claims (2)
- 二次電池から電力供給経路を通して走行用モータに電力を供給可能な電力供給システムにおける前記二次電池の前記電力供給経路からの切り離しを行う二次電池切り離し方法であって、
前記電力供給システムは、
前記二次電池と前記走行用モータとの間の電力供給経路に設けられたコンバータと、
前記電力供給経路における前記コンバータよりも前記走行用モータ側に設けられた蓄電部と、
前記電力供給経路における前記コンバータよりも前記二次電池側に設けられたリレーと、
前記走行用モータ、前記コンバータ及び前記リレーを制御する制御部と、
を備え、
前記制御部は、
前記二次電池の異常を検知する異常検知ステップと、
前記二次電池の異常の検知後に前記コンバータを通した前記二次電池側への電流の流れを遮断する電流遮断ステップと、
前記蓄電部の電圧が前記二次電池の電圧に対して所定値より大きいか否かを判定する電圧判定ステップと、
前記蓄電部の電圧が前記二次電池の電圧に対して所定値以下であると判定した際には前記二次電池の前記電力供給経路からの切り離しは行わない一方で、前記蓄電部の電圧が前記二次電池の電圧に対して所定値より大きいと判定した際に、前記リレーを作動させて前記二次電池を前記電力供給経路から切り離す切り離しステップと、
を含む無電弧開放制御を行う二次電池切り離し方法。 - 前記制御部は、前記電圧判定ステップにおいて、前記蓄電部の電圧が前記二次電池の電圧に対して所定値以下であると判定すると、前記蓄電部の電圧が前記二次電池の電圧に対して所定値より大きくなるまで、前記走行用モータの回生によって前記蓄電部をチャージするチャージステップを行う二次電池切り離し方法。
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JP2016025820A JP6394998B2 (ja) | 2016-02-15 | 2016-02-15 | 二次電池切り離し方法 |
DE102017101852.2A DE102017101852B4 (de) | 2016-02-15 | 2017-01-31 | Verfahren zum Trennen einer Sekundärbatterie und eines Stromversorgungssystems |
CN201710075766.XA CN107082023B (zh) | 2016-02-15 | 2017-02-13 | 二次电池切离方法及电力供给系统 |
US15/430,784 US9987931B2 (en) | 2016-02-15 | 2017-02-13 | Method of disconnecting secondary battery and electric power supply system |
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JP2016025820A JP6394998B2 (ja) | 2016-02-15 | 2016-02-15 | 二次電池切り離し方法 |
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CN107082023A (zh) | 2017-08-22 |
DE102017101852A1 (de) | 2017-08-17 |
US20170232852A1 (en) | 2017-08-17 |
CN107082023B (zh) | 2019-05-17 |
DE102017101852B4 (de) | 2023-02-02 |
JP6394998B2 (ja) | 2018-09-26 |
US9987931B2 (en) | 2018-06-05 |
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