JP2012249465A - Charging device for on-board battery - Google Patents

Charging device for on-board battery Download PDF

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JP2012249465A
JP2012249465A JP2011120513A JP2011120513A JP2012249465A JP 2012249465 A JP2012249465 A JP 2012249465A JP 2011120513 A JP2011120513 A JP 2011120513A JP 2011120513 A JP2011120513 A JP 2011120513A JP 2012249465 A JP2012249465 A JP 2012249465A
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charging
vehicle
battery
charging device
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Ju Ashida
樹 芦田
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Fuji Electric Co Ltd
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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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    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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Abstract

PROBLEM TO BE SOLVED: To provide a charging device for an on-board battery capable of achieving miniaturization and cost with a relatively simple structure.SOLUTION: In a charging device for charging an on-board battery 102 being a power supply for a vehicle driving motor 104, torque by an external drive part 120 for charging is transmitted to the motor 104 via an external driving shaft 121 and a clutch 105b to perform an electric power generator operation, and regeneration electric power generated from the motor 104 is converted into DC electric power by an inverter 103 to charge the battery 102. Alternatively, the torque by the external drive part 120 for charging is transmitted to a driving shaft 110a of the motor 104 via a planetary gear train 122.

Description

本発明は、電気自動車等の車両に搭載されたバッテリーを充電する充電装置に関し、詳しくは、電力回生機能を有する車両に搭載されたバッテリーの充電装置に関するものである。なお、以下において、電気自動車とはバッテリーを電源とするモータのみを駆動源とする電気自動車だけでなく、駆動源としてモータ及び内燃機関を備えたハイブリッド自動車も含むものとする。   The present invention relates to a charging device for charging a battery mounted on a vehicle such as an electric vehicle, and more particularly to a charging device for a battery mounted on a vehicle having a power regeneration function. In the following, the electric vehicle includes not only an electric vehicle using only a motor that uses a battery as a power source but also a hybrid vehicle including a motor and an internal combustion engine as a driving source.

従来、モータの電力回生機能を利用したバッテリーの充電装置としては、特許文献１に記載されたものが知られている。
この従来技術では、地上に設置された駆動ローラ及び従動ローラの相互間に車両の駆動輪をセットし、外部に設けた駆動輪回転装置のモータにより駆動ローラを回転させて摩擦力により車両の駆動輪を強制的に回転させる。これにより、駆動輪に回転子が連結された車両駆動用モータを発電機動作させ、このモータの固定子巻線から交流電力を出力させてインバータの回生動作により直流電力に変換して車載のバッテリーを充電するものである。 Conventionally, as a battery charging device using a power regeneration function of a motor, one described in Patent Document 1 is known.
In this prior art, a driving wheel of a vehicle is set between a driving roller and a driven roller installed on the ground, and the driving roller is rotated by a motor of a driving wheel rotating device provided outside to drive the vehicle by frictional force. Force the wheel to rotate. As a result, a vehicle driving motor having a rotor connected to the driving wheel is operated as a generator, AC power is output from the stator winding of this motor, and converted into DC power by the regenerative operation of the inverter, so that the vehicle-mounted battery Is to charge.

特開２０１０−５７２８６号公報（段落［００１４］〜［００２６］、図１等）JP 2010-57286 A (paragraphs [0014] to [0026], FIG. 1 etc.)

特許文献１に記載された従来技術によると、駆動輪回転装置のモータにより回転させた駆動ローラの回転力を、駆動輪を介して車両駆動用モータに伝達する原理であるため、駆動輪回転装置のモータには比較的大きな出力トルクが要求される。従って、このモータを内蔵する駆動輪回転装置が大型化すると共に、駆動ローラ及び従動ローラを含む装置全体の構成が複雑化し、コストの上昇や設置スペースの増大を招くという問題があった。   According to the prior art described in Patent Document 1, the driving wheel rotating device is based on the principle that the rotational force of the driving roller rotated by the motor of the driving wheel rotating device is transmitted to the vehicle driving motor via the driving wheel. These motors require a relatively large output torque. Accordingly, there is a problem that the driving wheel rotating device incorporating the motor is increased in size, and the configuration of the entire device including the driving roller and the driven roller is complicated, resulting in an increase in cost and an increase in installation space.

そこで、本発明の解決課題は、比較的簡単な構成により小型化、低コスト化を可能にした車載バッテリーの充電装置を提供することにある。   SUMMARY OF THE INVENTION An object of the present invention is to provide an in-vehicle battery charging device that can be reduced in size and cost by a relatively simple configuration.

上記課題を解決するため、請求項１に係る発明は、車両駆動用のモータの電源である車載バッテリーを充電する充電装置において、
充電用外部駆動部による回転力を、第１のクラッチを介して前記モータの駆動軸に伝達して前記モータを発電機動作させ、前記モータから発生する回生電力を用いて前記バッテリーを充電するものである。 In order to solve the above-mentioned problem, an invention according to claim 1 is directed to a charging device for charging an in-vehicle battery that is a power source of a motor for driving a vehicle.
The rotational force generated by the external drive unit for charging is transmitted to the drive shaft of the motor via the first clutch to operate the motor as a generator, and the battery is charged using regenerative power generated from the motor. It is.

請求項２に係る発明は、請求項１に記載した車載バッテリーの充電装置において、前記モータの駆動軸と車両の駆動輪とを連結する第２のクラッチを備え、前記第１のクラッチをつないで前記バッテリーを充電する際に前記第２のクラッチを切り離すものである。   According to a second aspect of the present invention, in the in-vehicle battery charging device according to the first aspect, the second clutch for connecting the drive shaft of the motor and the drive wheel of the vehicle is provided, and the first clutch is connected. When the battery is charged, the second clutch is disconnected.

請求項３に係る発明は、車両駆動用のモータの電源である車載バッテリーを充電する充電装置において、
充電用外部駆動部による回転力を、遊星歯車機構を介して前記モータの駆動軸に伝達して前記モータを発電機動作させ、前記モータから発生する回生電力を用いて前記バッテリーを充電するものである。 The invention according to claim 3 is a charging device for charging an in-vehicle battery which is a power source of a motor for driving a vehicle.
The rotational force generated by the external drive unit for charging is transmitted to the drive shaft of the motor via a planetary gear mechanism to operate the motor as a generator, and the battery is charged using regenerative power generated from the motor. is there.

請求項４に係る発明は、請求項３に記載した車載バッテリーの充電装置において、前記遊星歯車機構を構成する各要素を、前記モータ側の駆動軸と、車両の駆動輪側の駆動軸と、前記充電用外部駆動部側の駆動軸とにそれぞれ連結し、前記遊星歯車機構を構成する各要素のうち何れかを固定することにより、前記遊星歯車機構を介して、前記モータ側の駆動軸と前記駆動輪側の駆動軸とを切り離した状態で前記充電用外部駆動部による回転力を前記モータの駆動軸に伝達するものである。   According to a fourth aspect of the present invention, in the in-vehicle battery charging device according to the third aspect, the elements constituting the planetary gear mechanism include a drive shaft on the motor side, a drive shaft on the drive wheel side of the vehicle, The driving shaft on the motor side is connected to the driving shaft on the motor side via the planetary gear mechanism by connecting to the driving shaft on the charging external driving unit side and fixing any of the elements constituting the planetary gear mechanism. The rotational force from the charging external drive unit is transmitted to the drive shaft of the motor in a state where the drive shaft on the drive wheel side is disconnected.

請求項５に係る発明は、請求項１〜４の何れか１項に記載した車載バッテリーの充電装置において、前記モータの発電機動作により発生させた交流電力を、インバータの回生動作により直流電力に変換して前記バッテリーを充電するものである。   According to a fifth aspect of the present invention, in the on-vehicle battery charging device according to any one of the first to fourth aspects, the AC power generated by the generator operation of the motor is converted to DC power by the regenerative operation of the inverter. The battery is converted and charged.

本発明によれば、充電用外部駆動部によりクラッチまたは遊星歯車機構を介して車両駆動用モータの回転子を駆動することにより回生電力を発生させるため、ギアボックスでの損失や駆動輪での損失、及び外部駆動部における機械的損失が少なくて済み、従来技術のように車両の駆動輪を駆動する場合に比べて充電用外部駆動部の出力も小さくてよい。従って、充電用外部駆動部を含む充電装置の簡略化、小型化が可能であり、低コストにて実現することができる。   According to the present invention, since the regenerative electric power is generated by driving the rotor of the vehicle driving motor through the clutch or the planetary gear mechanism by the external driving unit for charging, the loss in the gear box and the loss in the driving wheel. Further, mechanical loss in the external drive unit is small, and the output of the external drive unit for charging may be small as compared with the case of driving the drive wheels of the vehicle as in the prior art. Therefore, the charging device including the external driving unit for charging can be simplified and downsized, and can be realized at low cost.

本発明の第１実施形態に係る車両駆動制御装置の構成図である。It is a lineblock diagram of the vehicle drive control device concerning a 1st embodiment of the present invention. 本発明の第２実施形態に係る車両駆動制御装置の構成図である。It is a block diagram of the vehicle drive control apparatus which concerns on 2nd Embodiment of this invention. 本発明の第２実施形態における遊星歯車機構の概略的な説明図である。It is a schematic explanatory drawing of the planetary gear mechanism in 2nd Embodiment of this invention.

以下、図に沿って本発明の実施形態を説明する。
図１は、本発明の第１実施形態に係る車両駆動制御装置の構成図である。図１において、１００Ａは電気自動車の車両であり、その車台１０１には、車軸１０７に取り付けられた一対の駆動輪１０８と一対の従動輪１０９とが設けられている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a configuration diagram of a vehicle drive control device according to the first embodiment of the present invention. In FIG. 1, reference numeral 100 </ b> A denotes an electric vehicle, and a chassis 101 is provided with a pair of driving wheels 108 and a pair of driven wheels 109 attached to an axle 107.

また、１０２は充電対象である車載のバッテリーである。バッテリー１０２には、その直流電力を交流電力に変換するインバータ１０３が接続され、インバータ１０３の交流出力側には、永久磁石同期モータ等のモータ１０４が接続されている。
ここで、インバータ１０３は、モータ１０４の固定子巻線から出力される交流電力を直流電力に変換してバッテリー１０２を充電する回生機能を備えている。 Reference numeral 102 denotes an in-vehicle battery to be charged. The battery 102 is connected to an inverter 103 that converts the DC power into AC power, and a motor 104 such as a permanent magnet synchronous motor is connected to the AC output side of the inverter 103.
Here, the inverter 103 has a regenerative function for charging the battery 102 by converting AC power output from the stator winding of the motor 104 into DC power.

モータ１０４の駆動軸１１０は、クラッチ１０５ａを介してギアボックス１０６に連結されている。ギアボックス１０６は、駆動軸１１０の回転数を所定の回転数に変換して車軸１０７に伝達するものである。
一方、１２０は、車台１０１の外部に配置される充電用外部駆動部である。この充電用外部駆動部１２０は、バッテリー１０２を充電する際に、その外部駆動軸１２１をクラッチ１０５ｂを介してモータ１０４の駆動軸１１０に連結し、回転子を外部から強制的に回転させるためのものである。
ここで、便宜的にクラッチ１０５ｂを第１のクラッチ、クラッチ１０５ａを第２のクラッチという。 The drive shaft 110 of the motor 104 is connected to the gear box 106 through a clutch 105a. The gear box 106 converts the rotational speed of the drive shaft 110 into a predetermined rotational speed and transmits it to the axle 107.
On the other hand, 120 is a charging external drive unit arranged outside the chassis 101. When charging the battery 102, the charging external drive unit 120 connects the external drive shaft 121 to the drive shaft 110 of the motor 104 via the clutch 105b to forcibly rotate the rotor from the outside. Is.
Here, for convenience, the clutch 105b is referred to as a first clutch, and the clutch 105a is referred to as a second clutch.

充電用外部駆動部１２０としては、モータ１０４の回転子を回転させるために必要かつ十分なトルクを発生可能な小型モータを用いることができる。なお、充電用外部駆動部１２０は、例えば車庫や車両のトランク内に備えておき、バッテリー１０２の充電時に所定位置に配置してクラッチ１０５ｂの一端に連結すればよい。充電用外部駆動部１２０の電源には、例えば商用電源を用いればよい。   As the external charging drive unit 120 for charging, a small motor capable of generating a torque necessary and sufficient to rotate the rotor of the motor 104 can be used. The charging external drive unit 120 may be provided in, for example, a garage or a vehicle trunk, disposed at a predetermined position when the battery 102 is charged, and connected to one end of the clutch 105b. For example, a commercial power source may be used as the power source of the charging external drive unit 120.

次に、この実施形態の動作を説明する。
バッテリー１０２の直流電力により車両１００Ａの走行が可能な通常時には、クラッチ１０５ａをつないで、モータ１０４の駆動力を駆動軸１１０からギアボックス１０６を介して車軸１０７及び駆動輪１０８に伝達する。勿論、このとき、充電用外部駆動部１２０は使用しない。 Next, the operation of this embodiment will be described.
At normal times when the vehicle 100A can be driven by the direct current power of the battery 102, the clutch 105a is connected to transmit the driving force of the motor 104 from the driving shaft 110 to the axle 107 and the driving wheel 108 via the gear box 106. Of course, at this time, the charging external drive unit 120 is not used.

バッテリー１０２を充電する際には、充電用外部駆動部１２０を車両１００Ａの外部に設置し、駆動軸１１０とギアボックス１０６との間のクラッチ１０５ａを切り離すと共に、充電用外部駆動部１２０の外部駆動軸１２１とモータ１０４との間のクラッチ１０５ｂをつなぐ。
この状態で、車両１００Ａ内の制御回路（図示せず）からインバータ１０３に電力回生指令を送ると共に、充電用外部駆動部１２０を駆動することによりモータ１０４の回転子を外部から強制的に回転させてモータ１０４を発電機動作させ、その固定子巻線から発生させた交流電力をインバータ１０３により直流電力に変換してバッテリー１０２を充電すればよい。 When charging the battery 102, the charging external drive unit 120 is installed outside the vehicle 100A, the clutch 105a between the drive shaft 110 and the gear box 106 is disconnected, and the external driving of the charging external drive unit 120 is performed. The clutch 105b between the shaft 121 and the motor 104 is connected.
In this state, a power regeneration command is sent from a control circuit (not shown) in the vehicle 100A to the inverter 103, and the external drive unit 120 for charging is driven to forcibly rotate the rotor of the motor 104 from the outside. Then, the motor 104 is operated as a generator, and the AC power generated from the stator winding is converted into DC power by the inverter 103 to charge the battery 102.

この実施形態によれば、モータ１０４の回転子を外部から回転させるトルクを発生可能な充電用外部駆動部１２０を用意するだけで、バッテリー１０２を充電することができる。従って、特許文献１等の従来技術に比べて充電設備の構成の簡略化、小型化、低コスト化が可能になる。   According to this embodiment, the battery 102 can be charged only by preparing the charging external drive unit 120 capable of generating torque for rotating the rotor of the motor 104 from the outside. Therefore, the configuration of the charging facility can be simplified, reduced in size, and reduced in cost as compared with the conventional technology such as Patent Document 1.

次に、本発明の第２実施形態を図２に沿って説明する。なお、図１と同一の構成要素には同一の番号を付して説明を省略し、以下では異なる部分を中心に説明する。
図２に示す車両１００Ｂにおいて、モータ１０４の駆動軸１１０ａには、遊星歯車機構１２２を介して駆動軸１１０ｂが連結され、更に差動ギア１１１を介して車軸１０７が連結されている。 Next, a second embodiment of the present invention will be described with reference to FIG. In addition, the same number is attached | subjected to the component same as FIG. 1, description is abbreviate | omitted and it demonstrates centering on a different part below.
In the vehicle 100 </ b> B shown in FIG. 2, the drive shaft 110 b of the motor 104 is connected to the drive shaft 110 b via the planetary gear mechanism 122, and further the axle 107 is connected via the differential gear 111.

ここで、図３は遊星歯車機構１２２の概略的な説明図である。
周知のように、遊星歯車機構１２２は、太陽歯車Ａ、遊星歯車Ｂ、内歯車Ｃ、キャリアＤからなる要素のうち、どの要素を固定するかによって回転力の伝達方向を任意に選択可能である。 Here, FIG. 3 is a schematic explanatory view of the planetary gear mechanism 122.
As is well known, the planetary gear mechanism 122 can arbitrarily select the transmission direction of the rotational force depending on which element is fixed among the elements including the sun gear A, the planetary gear B, the internal gear C, and the carrier D. .

従って、例えば、内歯車Ｃにモータ１０４側の駆動軸１１０ａを連結し、キャリアＤに差動ギア１１１側の駆動軸１１０ｂを連結すると共に、太陽歯車Ａに充電用外部駆動部１２０側の外部駆動軸１２１を連結しておく。
この状態で、太陽歯車Ａを固定すれば、モータ１０４側の駆動軸１１０ａの回転力を内歯車Ｃから遊星歯車Ｂ、キャリアＤを介して差動ギア１１１側の駆動軸１１０ｂに伝達することができ、これによって車両１００Ｂを走行させることができる。また、キャリアＤを固定すれば、充電用外部駆動部１２０側の外部駆動軸１２１の回転力を太陽歯車Ａから遊星歯車Ｂ、内歯車Ｃを介してモータ１０４側の駆動軸１１０ａに伝達することができ（このとき、遊星歯車Ｂは自転のみで公転しない）、これによってモータ１０４を発電機動作させてインバータ１０３の回生運転によりバッテリー１０２を充電することが可能である。 Therefore, for example, the drive shaft 110a on the motor 104 side is connected to the internal gear C, the drive shaft 110b on the differential gear 111 side is connected to the carrier D, and the external drive on the charging external drive unit 120 side is connected to the sun gear A. The shaft 121 is connected.
If the sun gear A is fixed in this state, the rotational force of the drive shaft 110a on the motor 104 side can be transmitted from the internal gear C to the drive shaft 110b on the differential gear 111 side via the planetary gear B and the carrier D. Thus, the vehicle 100B can be driven. If the carrier D is fixed, the rotational force of the external drive shaft 121 on the charging external drive unit 120 side is transmitted from the sun gear A to the drive shaft 110a on the motor 104 side via the planetary gear B and the internal gear C. (At this time, the planetary gear B only rotates and revolves only), whereby the motor 104 is operated as a generator and the battery 102 can be charged by the regenerative operation of the inverter 103.

なお、遊星歯車機構１２２の各要素（太陽歯車Ａ、遊星歯車Ｂ、内歯車Ｃ、キャリアＤ）の使用方法は、上記の例に何ら限定されるものではなく、バッテリー１０２の充電時には、充電用外部駆動部１２０側の外部駆動軸１２１の回転力をモータ１０４側の駆動軸１１０ａに伝達すると共に差動ギア１１１側の駆動軸１１０ｂを切り離し、車両１００Ｂの走行時には、モータ１０４側の駆動軸１１０ａを外部駆動軸１２１から切り離して駆動軸１１０ａの回転力を駆動軸１１０ｂに伝達すればよい。   The usage method of each element of the planetary gear mechanism 122 (sun gear A, planetary gear B, internal gear C, carrier D) is not limited to the above example. The rotational force of the external drive shaft 121 on the external drive unit 120 side is transmitted to the drive shaft 110a on the motor 104 side, and the drive shaft 110b on the differential gear 111 side is disconnected, and the drive shaft 110a on the motor 104 side is driven when the vehicle 100B travels. May be separated from the external drive shaft 121 to transmit the rotational force of the drive shaft 110a to the drive shaft 110b.

この実施形態においては、モータ１０４の回転子を外部から回転させるトルクを発生可能な充電用外部駆動部１２０と、前記クラッチ１０５ａ，１０５ｂに代わる遊星歯車機構１２２とを用意するだけで、バッテリー１０２を充電することができる。よって、第１実施形態と同様に充電設備の構成の簡略化、小型化、低コスト化が可能である。   In this embodiment, the battery 102 can be obtained simply by preparing an external charging unit 120 that can generate torque for rotating the rotor of the motor 104 from the outside and a planetary gear mechanism 122 that replaces the clutches 105a and 105b. Can be charged. Therefore, as in the first embodiment, the configuration of the charging facility can be simplified, reduced in size, and reduced in cost.

１００Ａ，１００Ｂ：車両
１０１：車台
１０２：バッテリー
１０３：インバータ
１０４：モータ
１０５ａ，１０５ｂ：クラッチ
１０６：ギアボックス
１０７：車軸
１０８：駆動輪
１０９：従動輪
１１０，１１０ａ，１１０ｂ：駆動軸
１１１：差動ギア
１２０：充電用外部駆動部
１２１：外部駆動軸
１２２：遊星歯車機構
Ａ：太陽歯車
Ｂ：遊星歯車
Ｃ：内歯車
Ｄ：キャリア 100A, 100B: Vehicle 101: Chassis 102: Battery 103: Inverter 104: Motor 105a, 105b: Clutch 106: Gear box 107: Axle 108: Drive wheel 109: Driven wheel 110, 110a, 110b: Drive shaft 111: Differential gear 120: External drive unit for charging 121: External drive shaft 122: Planetary gear mechanism A: Sun gear B: Planetary gear C: Internal gear D: Carrier

Claims (5)

車両駆動用のモータの電源である車載バッテリーを充電する充電装置において、
充電用外部駆動部による回転力を、第１のクラッチを介して前記モータの駆動軸に伝達して前記モータを発電機動作させ、前記モータから発生する回生電力を用いて前記バッテリーを充電することを特徴とする車載バッテリーの充電装置。 In a charging device for charging an in-vehicle battery that is a power source of a vehicle driving motor,
The rotational force from the charging external drive unit is transmitted to the drive shaft of the motor via the first clutch to cause the motor to operate as a generator, and the battery is charged using regenerative power generated from the motor. In-vehicle battery charging device characterized by the above. 請求項１に記載した車載バッテリーの充電装置において、
前記モータの駆動軸と車両の駆動輪とを連結する第２のクラッチを備え、前記第１のクラッチをつないで前記バッテリーを充電する際に前記第２のクラッチを切り離すことを特徴とする車載バッテリーの充電装置。 In the in-vehicle battery charging device according to claim 1,
A vehicle-mounted battery comprising: a second clutch that connects a drive shaft of the motor and a drive wheel of a vehicle; and the second clutch is disconnected when charging the battery by connecting the first clutch. Charging device. 車両駆動用のモータの電源である車載バッテリーを充電する充電装置において、
充電用外部駆動部による回転力を、遊星歯車機構を介して前記モータの駆動軸に伝達して前記モータを発電機動作させ、前記モータから発生する回生電力を用いて前記バッテリーを充電することを特徴とする車載バッテリーの充電装置。 In a charging device for charging an in-vehicle battery that is a power source of a vehicle driving motor,
Rotating force by the external driving unit for charging is transmitted to the driving shaft of the motor through a planetary gear mechanism to operate the motor as a generator, and the battery is charged using regenerative power generated from the motor. In-vehicle battery charging device. 請求項３に記載した車載バッテリーの充電装置において、
前記遊星歯車機構を構成する各要素を、前記モータ側の駆動軸と、車両の駆動輪側の駆動軸と、前記充電用外部駆動部側の駆動軸とにそれぞれ連結し、前記遊星歯車機構を構成する各要素のうち何れかを固定することにより、前記遊星歯車機構を介して、前記モータ側の駆動軸と前記駆動輪側の駆動軸とを切り離した状態で前記充電用外部駆動部による回転力を前記モータの駆動軸に伝達することを特徴とする車載バッテリーの充電装置。 In the on-vehicle battery charging device according to claim 3,
The elements constituting the planetary gear mechanism are respectively connected to the motor-side drive shaft, the drive wheel-side drive shaft of the vehicle, and the drive shaft on the charging external drive side, and the planetary gear mechanism is Rotation by the external drive unit for charging in a state where the drive shaft on the motor side and the drive shaft on the drive wheel side are separated through the planetary gear mechanism by fixing any of the constituent elements. An in-vehicle battery charging device, wherein force is transmitted to a drive shaft of the motor. 請求項１〜４の何れか１項に記載した車載バッテリーの充電装置において、
前記モータの発電機動作により発生させた交流電力を、インバータの回生動作により直流電力に変換して前記バッテリーを充電することを特徴とする車載バッテリーの充電装置。 In the in-vehicle battery charging device according to any one of claims 1 to 4,
An in-vehicle battery charging device, wherein the battery is charged by converting AC power generated by the generator operation of the motor into DC power by a regenerative operation of an inverter.
JP2011120513A 2011-05-30 2011-05-30 Charging device for on-board battery Withdrawn JP2012249465A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552481A (en) * 2013-11-15 2014-02-05 哈尔滨理工大学 Dual-motor configuring electric vehicle power control system and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103552481A (en) * 2013-11-15 2014-02-05 哈尔滨理工大学 Dual-motor configuring electric vehicle power control system and control method

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