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WO2013150825A1 - Alimentation électrique et procédé de détection d'anomalie d'alimentation électrique - Google Patents

Alimentation électrique et procédé de détection d'anomalie d'alimentation électrique Download PDF

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Publication number
WO2013150825A1
WO2013150825A1 PCT/JP2013/054353 JP2013054353W WO2013150825A1 WO 2013150825 A1 WO2013150825 A1 WO 2013150825A1 JP 2013054353 W JP2013054353 W JP 2013054353W WO 2013150825 A1 WO2013150825 A1 WO 2013150825A1
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WIPO (PCT)
Prior art keywords
time
charging current
abnormality
power supply
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2013/054353
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English (en)
Japanese (ja)
Inventor
俊介 天貝
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of WO2013150825A1 publication Critical patent/WO2013150825A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • 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
    • B60L2240/80—Time limits
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/20—Inrush current reduction, i.e. avoiding high currents when connecting the battery
    • 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
    • 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

Definitions

  • the present invention relates to a power supply device and an abnormality detection method for the power supply device.
  • This application claims priority based on Japanese Patent Application No. 2012-84595 filed on Apr. 3, 2012.
  • the contents described in the application are incorporated into the present application by reference and made a part of the description of the present application.
  • a smoothing capacitor has been provided between the input terminals of the inverter of an electric vehicle.
  • the precharge relay is closed and the charging current is limited by a precharge resistor connected in series with the precharge relay while precharging the smoothing capacitor.
  • a technique for preventing damage to the contact of the main relay by determining that the precharge is completed when the charging current becomes equal to or less than a predetermined reference value after a predetermined time has elapsed and closing the main relay is known. (For example, see Patent Document 1).
  • the problem to be solved by the present invention is to provide a power supply apparatus and an abnormality detection method for a power supply apparatus that can appropriately detect the abnormality when an abnormality occurs.
  • the present invention provides a difference between a charging current actually flowing and a normal charging current measured in advance when a predetermined time elapses after the precharging switch for precharging the smoothing capacitor is turned on.
  • the above problem is solved by detecting occurrence of abnormality by comparing the calculated difference with a predetermined threshold.
  • the present invention it is possible to determine whether or not an abnormality has occurred based on the difference between the charging current that is actually flowing and the charging current at the normal time measured in advance. It can be detected early.
  • FIG. 1 is a block diagram showing a power supply device according to this embodiment.
  • FIG. 2 is a diagram showing the transition of the current value at the normal time when the smoothing capacitor 13 is charged at the normal time.
  • FIG. 3 is a diagram showing the transition of the current value when an abnormality has occurred in the smoothing capacitor 13.
  • FIG. 4 is a diagram showing the transition of the current value when a circuit short circuit abnormality occurs and when a circuit disconnection abnormality occurs.
  • FIG. 5 is a diagram illustrating the transition of the current value when abnormality occurs in the precharge resistor 17 and the downstream device.
  • FIG. 6 is a diagram for explaining a method of setting the second time t2.
  • FIG. 1 is a block diagram showing a power supply device 100 according to this embodiment.
  • the power supply device 100 is a power supply device mounted on, for example, a hybrid vehicle or an electric vehicle, and includes a battery 11 formed by connecting a plurality of cells in series as shown in FIG.
  • a load 12 is connected to both ends of the battery 11 via a first main relay 14 and a second main relay 15 in the junction box 20 and a switch 18.
  • the cell constituting the battery 11 is, for example, a lithium ion secondary battery, and the battery 11 is provided with a current sensor 19 for detecting a current input to and output from the battery 11. Although it does not specifically limit as the load 12, An inverter etc. are mentioned.
  • the junction box 20 includes a precharge relay 16 and a precharge resistor 17 connected in parallel to the first main relay 14.
  • the power supply device 100 includes a smoothing capacitor 13 connected in parallel with the load 12.
  • the smoothing capacitor 13 is connected to the second main relay 15 and the precharge relay 16 when the system is activated.
  • the battery is charged by being closed.
  • the precharge relay 16 is connected in series with the precharge resistor 17, so that when the smoothing capacitor 13 is charged, the precharge resistor 17 is charged while limiting the current. Become.
  • the control device 10 controls the opening and closing of the first main relay 14, the second main relay 15, and the precharge relay 16 provided in the junction box 20 and the opening and closing of the switch 18 connected to the load 12.
  • the power supply device 100 is controlled.
  • the control device 10 manages the current input to and output from the battery 11 by acquiring information on the current detected by the current sensor 19.
  • control when charging the smoothing capacitor 13 when the system of the power supply apparatus 100 is started will be specifically described.
  • the control described below is executed by the control device 10.
  • the second main relay 15 and the precharge relay 16 are closed, and the current is limited by the precharge resistor 17, Charging is performed.
  • FIG. 2 is a graph showing the transition of the current value when the smoothing capacitor 13 is charged in the power supply device 100 of the present embodiment.
  • FIG. 2 shows the transition of the current value when the power supply device 100 of the present embodiment is normal, that is, the transition of the current value when no abnormality has occurred.
  • the second main relay 15 and the precharge relay 16 are closed at time t0, first, the current corresponding to the voltage of the battery 11 and the resistance value of the precharge resistor 17, that is, the battery 11
  • the voltage is E bat and the resistance value of the precharge resistor 17 is R
  • a current of E bat / R flows, and then the charging current gradually attenuates as the smoothing capacitor 13 is charged. .
  • the smoothing capacitor 13 when the smoothing capacitor 13 is abnormal, specifically, when an abnormality occurs in which the electric charge accumulated in the smoothing capacitor 13 is discharged to the electric load, as shown in FIG. The value will change. That is, when the smoothing capacitor 13 is abnormal, the current decay rate with respect to the elapsed time from the start of the charging of the smoothing capacitor 13 is slow compared to the normal current value transition. Will behave differently.
  • the current value remains unchanged at E bat / R when a circuit short circuit abnormality occurs.
  • the current value remains zero and does not change. That is, even when a circuit short-circuit abnormality or a circuit disconnection abnormality occurs, a behavior different from the transition of the current value at normal time is exhibited.
  • the transition of the normal current value as shown in FIG. 2 that is, the transition of the normal current value when the smoothing capacitor 13 is charged in the normal state is normal.
  • the normal current value transition data is obtained by, for example, charging the smoothing capacitor 13 under normal conditions, measuring the relationship between the elapsed time when charging and the current value in advance, and obtaining the obtained measurement results. Can be obtained on the basis.
  • a specific method for detecting an abnormality is as follows. That is, first, when the second main relay 15 and the precharge relay 16 are closed and the time after the elapse of a predetermined time since the charging of the smoothing capacitor 13 is set to the first time t1, as shown in FIG. to, from the normal time current value transition data, to obtain a first current value I 1 corresponding to the first time t1.
  • the second main relay 15 and the precharge relay 16 are closed and the smoothing capacitor 13 is charged, the actual time detected by the current sensor 19 at the time when the first time t1 has elapsed from the time t0.
  • the current value I obs is acquired.
  • the difference ⁇ I obs ⁇ 1
  • between the actual current value I obs at the first time t 1 and the first current value I 1 at normal time is calculated, and the calculated difference ⁇ I obs ⁇ It is determined whether 1 is greater than a predetermined first threshold value ⁇ 1.
  • a predetermined first threshold value ⁇ 1 As a result of the determination, if the difference ⁇ I obs ⁇ 1 is larger than the first threshold ⁇ 1, that is, if ⁇ I obs ⁇ 1 > ⁇ 1, it is determined that an abnormality occurs.
  • the first threshold value ⁇ 1 is not particularly limited.
  • the first threshold value ⁇ 1 is set to a value that can be determined to be clearly deviated from the current transition at the normal time.
  • the case where the abnormality of the smoothing capacitor 13 shown in FIG. 3 occurs will be described as an example.
  • a difference ⁇ I a-1
  • between the actually detected current value I a and the first current value I 1 at normal time is calculated, and the calculated difference ⁇ I a ⁇ 1
  • the first threshold value ⁇ 1 is compared.
  • current I a in the first hour t1 as is apparent from FIG. 3, because clearly deviate from the current transition of normal, [Delta] I a-1> [alpha] 1, and the reason that, in this case Therefore, it is determined that an abnormality has occurred.
  • a process for canceling the precharge is executed. Specifically, charging the smoothing capacitor 13 is stopped by opening the second main relay 15 and the precharge relay 16. In this case, a process of notifying the user that an abnormality has occurred may be executed.
  • the precharge resistor 17 when the precharge resistor 17 is abnormal, specifically, the resistance value of the precharge resistor 17 or a device located downstream of the junction box 20, specifically, a motor, an inverter, or a heater
  • the current value changes as shown in FIG. That is, compared with the transition of the current value at the normal time, when the precharge resistor 17 and the downstream device are abnormal, the initial current value itself when starting the charging of the smoothing capacitor 13 shows a low value, but the elapsed time Therefore, the current decay rate is slow, so that the behavior of the current value is different from that of the normal state, while the current value is substantially equal in the vicinity of the first time t1.
  • the abnormality may not be detected only by comparing the current values at the first time t1.
  • the predetermined time after the first time t1 has elapsed.
  • the current values are compared in the same manner as described above, and abnormality is determined based on the comparison result.
  • the second threshold value ⁇ 2 is not particularly limited.
  • the second threshold value ⁇ 2 may be set to a value that can be determined to be clearly deviated from the normal current transition, and may be the same value as the first threshold value ⁇ 1 described above. Alternatively, it may be a value different from the first threshold value ⁇ .
  • the precharge resistor 17 shown in FIG. 5 and a downstream device abnormality occur are described as an example, when the smoothing capacitor 13 is charged, the first time t1 has elapsed from the time t0. Even if no abnormality is detected as a result of the abnormality determination, the abnormality determination is performed again at the time when the second time t2 has elapsed from the time t0.
  • the difference ⁇ I d ⁇ 2
  • from the current value I 2 is calculated, and the calculated difference ⁇ I d ⁇ 2 is compared with the second threshold value ⁇ 2.
  • the current value I d at the second time t2 is clearly deviated from the current transition at the normal time, and therefore ⁇ I d ⁇ 2 > ⁇ 2, and in this case, It is determined that an abnormality has occurred. In this case as well, the process for stopping the precharge is executed as described above.
  • the current value detected by the current sensor 19 after the elapse of the second time t2 is a predetermined value.
  • the current is equal to or less than the threshold current I Fin , it is determined that the charging of the smoothing capacitor 13 has been completed, and the first main relay 14 is closed so that power can be supplied from the battery 11 to the load 12 It is said.
  • the current value I obs detected by the current sensor 19 is compared with the first current value I 1 calculated in the normal state, and the difference ⁇ I therebetween.
  • is larger than the first threshold value ⁇ 1, it is determined that an abnormality has occurred. Therefore, according to the present embodiment, when an abnormality occurs, the abnormality can be detected at a relatively early stage.
  • the current value I detected by the current sensor 19 again at the second time t2 after that. Obs is compared with the second current value I 2 calculated in the normal state, and when the difference ⁇ I obs ⁇ 2
  • the abnormal part / abnormal mode is, for example, when it is determined that there is no abnormality at the first time t1, and when it is determined that there is an abnormality at the second time t2 after that, the precharge resistor 17 shown in FIG. It can be determined that the abnormality is, specifically, the resistance increase abnormality of the precharge resistor 17 and the resistance increase abnormality of the downstream device.
  • the precharge relay 16 is opened to stop charging the smoothing capacitor 13 when the abnormality is determined.
  • the precharge relay 16 is opened to stop charging the smoothing capacitor 13 when the abnormality is determined.
  • the first main relay 14 it is determined that no abnormality is detected at the first time t1 and the second time t2, and the charging of the smoothing capacitor 13 is finished after the second time t2.
  • the first main relay 14 is closed. That is, in the present embodiment, after confirming that no abnormality has occurred, the first main relay 14 is closed.
  • the first main relay 14 Contact damage can be prevented appropriately.
  • the first time t1 described above is not particularly limited.
  • the E bat when the voltage of the battery 11 is E bat and the resistance value of the precharge resistor 17 is R, the E bat / R It is preferable to calculate the fusing time of the precharge resistor 17 when the current continues to flow, and to set the first time t1 to be shorter than the fusing time of the precharge resistor 17.
  • a first time t1 by setting a shorter time than fusing time of the precharge resistor 17, for example, like an open circuit short circuit abnormality shown in FIG.
  • the precharge resistor 17 a current of E bat / R
  • the abnormality can be detected in a time shorter than the fusing time of the precharge resistor 17 (that is, the first time t1), secondary such as fusing of the precharge resistor 17 can be detected. Failure can be prevented appropriately.
  • the second time t2 described above is not particularly limited.
  • a first current range D1 (I 1 ⁇ 1 ⁇ D1 ⁇ I 1 + ⁇ 1) determined not to be abnormal at the first time t1
  • the second current range D2 (I 2 ⁇ 2 ⁇ D2 ⁇ I 2 + ⁇ 2) determined not to be abnormal at time t2 is set so as not to overlap. That is, it is preferable that I 1 ⁇ 1 that is the lower limit value of the first current range D1 and I 2 + ⁇ 2 that is the upper limit value of the second current range D2 are set so as to have a relationship represented by the following formula.
  • the current sensor 19 can appropriately detect even in an abnormal mode in which the detected current is constant. That is, for example, even if the value of the current detected by the current sensor 19 is a value within the first current range D1 that is determined not to be abnormal at the first time t1, and is constant, the second Since the second current range D2 determined not to be abnormal at the time t2 is a range different from the first current range D1, it is possible to appropriately detect such an abnormality.
  • the smoothing capacitor 13 is the smoothing capacitor of the present invention
  • the precharge relay 16 is the precharge switch of the present invention
  • the first main relay 14 and the second main relay 15 are the present.
  • the current sensor 19 corresponds to the current switch of the present invention
  • the control device 10 corresponds to the control means, storage means, and abnormality detection means of the present invention.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
PCT/JP2013/054353 2012-04-03 2013-02-21 Alimentation électrique et procédé de détection d'anomalie d'alimentation électrique Ceased WO2013150825A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012084595 2012-04-03
JP2012-084595 2012-04-03

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WO2013150825A1 true WO2013150825A1 (fr) 2013-10-10

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107769359A (zh) * 2017-11-24 2018-03-06 安徽维新能源技术有限公司 一种电机控制器母线电容充放电电路
JP2019092341A (ja) * 2017-11-16 2019-06-13 三菱自動車工業株式会社 電動車両の電源制御装置
CN110696626A (zh) * 2019-11-21 2020-01-17 北京京邦达贸易有限公司 无人车及其供电控制方法
CN110719856A (zh) * 2017-04-07 2020-01-21 三星Sdi株式会社 用于驱动车辆的电源系统
JP2020099112A (ja) * 2018-12-17 2020-06-25 株式会社デンソー プリチャージ制御装置
CN112924859A (zh) * 2021-01-26 2021-06-08 东风汽车集团股份有限公司 一种电动汽车高压预充回路及继电器粘连状态检测方法
CN113071315A (zh) * 2021-03-10 2021-07-06 重庆长安汽车股份有限公司 电动汽车高压电气系统连接完整性检测方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10304501A (ja) * 1997-04-23 1998-11-13 Honda Motor Co Ltd 電気自動車の制御装置
JP2006238509A (ja) * 2005-02-22 2006-09-07 Panasonic Ev Energy Co Ltd 電動車輌の制御装置、電動車輌の制御方法、プログラム及びコンピュータ可読記録媒体
JP2007089241A (ja) * 2005-09-20 2007-04-05 Toyota Motor Corp 電源回路の異常検知装置
JP2009153274A (ja) * 2007-12-19 2009-07-09 Sanyo Electric Co Ltd 車両用の電源装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10304501A (ja) * 1997-04-23 1998-11-13 Honda Motor Co Ltd 電気自動車の制御装置
JP2006238509A (ja) * 2005-02-22 2006-09-07 Panasonic Ev Energy Co Ltd 電動車輌の制御装置、電動車輌の制御方法、プログラム及びコンピュータ可読記録媒体
JP2007089241A (ja) * 2005-09-20 2007-04-05 Toyota Motor Corp 電源回路の異常検知装置
JP2009153274A (ja) * 2007-12-19 2009-07-09 Sanyo Electric Co Ltd 車両用の電源装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110719856A (zh) * 2017-04-07 2020-01-21 三星Sdi株式会社 用于驱动车辆的电源系统
CN110719856B (zh) * 2017-04-07 2024-03-15 三星Sdi株式会社 用于驱动车辆的电源系统
JP2019092341A (ja) * 2017-11-16 2019-06-13 三菱自動車工業株式会社 電動車両の電源制御装置
CN107769359A (zh) * 2017-11-24 2018-03-06 安徽维新能源技术有限公司 一种电机控制器母线电容充放电电路
JP2020099112A (ja) * 2018-12-17 2020-06-25 株式会社デンソー プリチャージ制御装置
US11342772B2 (en) * 2018-12-17 2022-05-24 Denso Corporation Precharge controller
JP7103199B2 (ja) 2018-12-17 2022-07-20 株式会社デンソー プリチャージ制御装置
CN110696626A (zh) * 2019-11-21 2020-01-17 北京京邦达贸易有限公司 无人车及其供电控制方法
CN112924859A (zh) * 2021-01-26 2021-06-08 东风汽车集团股份有限公司 一种电动汽车高压预充回路及继电器粘连状态检测方法
CN113071315A (zh) * 2021-03-10 2021-07-06 重庆长安汽车股份有限公司 电动汽车高压电气系统连接完整性检测方法及系统

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