JP2001320831A - Electric rolling stock for railway - Google Patents

Electric rolling stock for railway

Info

Publication number
JP2001320831A
JP2001320831A JP2000133059A JP2000133059A JP2001320831A JP 2001320831 A JP2001320831 A JP 2001320831A JP 2000133059 A JP2000133059 A JP 2000133059A JP 2000133059 A JP2000133059 A JP 2000133059A JP 2001320831 A JP2001320831 A JP 2001320831A
Authority
JP
Japan
Prior art keywords
power
electric
storage device
pantograph
receiving unit
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.)
Pending
Application number
JP2000133059A
Other languages
Japanese (ja)
Inventor
Tadashi Kamimura
正 上村
Noriyuki Eto
憲行 衛藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP2000133059A priority Critical patent/JP2001320831A/en
Publication of JP2001320831A publication Critical patent/JP2001320831A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent the pantograph of an electric rolling stock from being damaged by arcs generated by the contact loss phenomenon of the pantograph and by running of the electric rolling stock in a service stop section. SOLUTION: To the power receiving part of the electric rolling stock, an energy storing apparatus 15 composed of an electrical double layer capacitor 152 as a DC power storing apparatus, and a boosting/deboosting chopper 151 as a power converter, are connected. Voltage change of the power receiving part is suppressed, even when the contact between the pantograph and a trolley wire is lost and so on, and the generation of an arc is prevented.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、電鉄用電気車に係
り、特に電気車の電源回路に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric railway car, and more particularly to a power supply circuit of an electric railway car.

【0002】[0002]

【従来の技術】図2に電鉄用電源設備例を示す。変電所
1、12からき電用しゃ断器21〜24やき電線を介して
セクションで分離されたトロリー線31〜33を加圧す
る。電気車4は、トロリー線からパンタグラフを通して
受電し、車内の電源回路から走行用電動機・照明・空調
機器等に電力供給を行う。
2. Description of the Related Art FIG. 2 shows an example of power supply equipment for railways. Substations 1 1, 1 for feeding circuit 2 breaker 21 to 24 baked trolley wire 3 1 to 3 3 separated in section through an electric wire pressed. The electric vehicle 4 receives power from a trolley wire through a pantograph, and supplies power from a power supply circuit in the vehicle to a driving motor, lighting, an air conditioner, and the like.

【0003】このような電鉄用電源設備において、主な
負荷が電気車になるため、他の一般の配電系統負荷とは
電力供給能力として特異なものが要求される。
[0003] In such power supply equipment for railways, the main load is an electric vehicle, and therefore, a specific power supply capability is required from other general distribution system loads.

【0004】(1)電気車は、多数台がランダムに加速
・定速・減速・停止等の運転状態変化をしており、それ
らの総和が急激に変動する負荷になる。
[0004] (1) Many electric vehicles randomly change operating states such as acceleration, constant speed, deceleration, and stop, and the sum of these changes becomes a load that fluctuates rapidly.

【0005】(2)電気車には、特急電車など長距離を
ノンストップ運転するものが含まれ、その運転時間にわ
たって安定した電力供給能力が要求される。
(2) Electric vehicles include those that operate non-stop over long distances, such as limited express trains, and require a stable power supply capability over the operation time.

【0006】(3)電気車の運転台数は朝夕のラッシュ
時に運転本数が多く、昼間の閑散時間帯では運転本数が
少なくなる。これら負荷の変化に対して変電所側からみ
て負荷の平準化が要求される。
(3) The number of operating electric vehicles is large during the morning and evening rush hours, and the number of electric vehicles is reduced during the off hours during the day. For these load changes, load leveling is required from the substation side.

【0007】以上の各要求事項に対応できるものとし
て、直流電鉄用変電所の直流母線側にエネルギー蓄積装
置を設ける方法が提案されている(例えば、特開平11
−91415号公報)。このエネルギー蓄積装置は、整
流器の直流側に電流制御回路(昇降圧チョッパ)と直流
電力蓄積装置(二次電池や電気二重層キャパシタ)を設
備し、電気車が回生状態にある場合は直流電力蓄積装置
を充電し、電気車が力行状態にある場合は直流電力蓄積
装置5から放電させ、負荷の平準化や回生電力の吸収を
行う。
In order to meet the above requirements, a method has been proposed in which an energy storage device is provided on the DC bus side of a DC railway substation (for example, Japanese Unexamined Patent Publication No. Hei 11 (1999)).
-91415). This energy storage device is equipped with a current control circuit (step-up / step-down chopper) and a DC power storage device (secondary battery or electric double layer capacitor) on the DC side of the rectifier, and stores DC power when the electric vehicle is in a regenerative state. The device is charged, and when the electric vehicle is in the power running state, the DC power storage device 5 is discharged to level the load and absorb regenerative power.

【0008】[0008]

【発明が解決しようとする課題】電鉄用電源設備におい
て、電気車の電源回路は、トロリー線からパンタグラフ
を経由して電気車内に受電する。この場合、以下の問題
がある。
In a railway power supply system, a power supply circuit of an electric car receives electric power from a trolley wire via a pantograph into the electric car. In this case, there are the following problems.

【0009】(1)風雪や車両の振動等により、トロリ
ー線とパンタグラフの接触が切れる(離線現象)場合が
あり、この現象時にはトロリー線とパンタグラフ間でア
ークを発生し、パンタグラフに損傷が生じる。
(1) The contact between the trolley wire and the pantograph may be broken due to the snow or the vibration of the vehicle (separation phenomenon). In this phenomenon, an arc is generated between the trolley wire and the pantograph, and the pantograph is damaged.

【0010】(2)事故等によりトロリー線に停電区間
が発生した場合、電気車は加圧区間から無加圧区間に進
入することになり、この場合には電気車の負荷電流をパ
ンタグラフで遮断することとなり、パンタグラフに損傷
が生じる。
(2) When a power failure section occurs on the trolley line due to an accident or the like, the electric vehicle enters the non-pressurized section from the pressurized section, and in this case, the load current of the electric car is cut off by a pantograph. Damage to the pantograph.

【0011】(3)電気車のパンタグラフ点の電圧は、
他の電気車の運転状態(力行の開始や終了時点、回生の
開始や終了時点)で急激に変動し、この電圧変動が電気
車に速度変動を起こしたり、乗り心地を悪くする。
(3) The voltage at the pantograph point of the electric car is
It fluctuates abruptly in the operating state of other electric vehicles (at the start and end of powering, at the start and end of regeneration), and this voltage fluctuation causes speed fluctuations in the electric vehicle and deteriorates riding comfort.

【0012】本発明の目的は、電気車のパンタグラフの
損傷を少なくするとともに車内の電圧変動を抑制できる
電鉄用電気車を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to provide an electric train for electric railways which can reduce damage to a pantograph of the electric train and can suppress voltage fluctuation in the train.

【0013】[0013]

【課題を解決するための手段】本発明は、前記の課題を
解決するため、電気車の受電部に電気二重層キャパシタ
等の急速充放電可能なエネルギー蓄積装置を接続するこ
とにより、パンタグラフとトロリー線の離線時のアーク
抑制、電気車の負荷電流遮断によるパンタグラフの損傷
防止およびトロリー線の電圧変動による車内の電圧変化
を抑制できるようにしたもので、以下の構成を特徴とす
る。
According to the present invention, a pantograph and a trolley are connected by connecting an energy storage device such as an electric double layer capacitor capable of rapid charging and discharging to a power receiving portion of an electric vehicle. It suppresses arcing when a wire is disconnected, prevents pantograph damage due to interruption of load current of an electric vehicle, and suppresses voltage change in the vehicle due to voltage fluctuation of a trolley wire, and has the following features.

【0014】トロリー線からパンタグラフを通して車内
に受電し、走行用電動機等に電力を供給する電源回路を
搭載した電鉄用電気車において、電気車内の受電部に電
力変換器と直流電力蓄積装置からなるエネルギー蓄積装
置を接続し、前記電力変換器は、前記受電部の電圧変化
に対して該受電部から前記直流電力蓄積装置への充電制
御または該直流電力蓄積装置から該受電部への放電制御
で該受電部の電圧変化を抑制する制御回路を設けたこと
を特徴とする。
In an electric railway vehicle equipped with a power supply circuit for receiving electric power from a trolley wire through a pantograph and supplying electric power to a driving motor or the like, an electric power receiving unit in the electric vehicle includes an energy conversion device and a DC power storage device. A power storage device is connected, and the power converter performs charging control from the power receiving unit to the DC power storage device or discharging control from the DC power storage device to the power receiving unit in response to a voltage change of the power receiving unit. A control circuit for suppressing a voltage change of the power receiving unit is provided.

【0015】[0015]

【発明の実施の形態】図1は、本発明の実施形態を示す
電鉄用直流電気車の主回路構成図である。トロリー線1
1から開閉器12、直流しゃ断器13を通して受電部に
引き込み、主回路14に給電する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a main circuit configuration diagram of a DC electric car for railways showing an embodiment of the present invention. Trolley wire 1
From 1, the power is drawn into the power receiving unit through the switch 12 and the DC breaker 13, and power is supplied to the main circuit 14.

【0016】主回路14は、直流電動機の電機子141
と直巻界磁142と励磁回路143と主抵抗器144と誘
導分流器145及び励磁電源146によって界磁添加励磁
制御回路をに構成し、電動機の制御を行う。
The main circuit 14 includes an armature 14 1 of a DC motor.
And configured to the field added excitation control circuit by Chokumakikai磁14 2 and the exciting circuit 14 3 and the main resistor 14 4 and inductive shunt 14 5 and the excitation power supply 14 6, and controls the motor.

【0017】また、主回路14として、照明設備147
や空調機器148の電源回路も設けられる。
As the main circuit 14, the lighting equipment 14 7
Power supply circuit and the air conditioning equipment 14 8 is also provided.

【0018】ここで、本実施形態では、電気車にエネル
ギー蓄積装置15を搭載する。このエネルギー蓄積装置
15は、主回路14の受電点に接続するもので、電力変
換手段になる昇降圧チョッパ151と直流電力蓄積装置
になる電気二重層キャパシタ152の直列回路とする場
合を示す。
Here, in the present embodiment, the energy storage device 15 is mounted on the electric vehicle. The energy storage device 15 is intended to be connected to the receiving point of the main circuit 14, shows the case where the series circuit of the electric double layer capacitor 15 2 with buck-15 1 comprising power conversion means becomes a DC power storage device .

【0019】電気二重層キャパシタ152は、トロリー
線からの受電電圧の下限値よりもさらに低い定格電圧に
され、その間の電圧差を昇降圧チョッパ151の降圧電
力変換制御または昇圧電力変換制御で負担する。例え
ば、通常時はチョッパ151の降圧制御でキャパシタ1
2を定格電圧まで充電しておく。そして、トロリー線
の電圧が瞬時低下したときには、電圧低下の検出でチョ
ッパ151を昇圧制御し、キャパシタ152から主回路1
4側に放電することで主回路14の電圧安定化を行う。
The electric double layer capacitor 15 2 is in a lower rated voltage than the lower limit value of the receiving voltage from the trolley line, with a voltage difference therebetween buck-15 1 of the step-down power conversion control or boost power conversion control bear. For example, the capacitor 1 in normal state step-down control of the chopper 15 1
5 2 should be charged to the rated voltage. When the voltage of the trolley wire is momentarily reduced boosts control chopper 15 1 in the detection of the voltage drop, the main circuit from the capacitor 15 2 1
By discharging to the fourth side, the voltage of the main circuit 14 is stabilized.

【0020】なお、チョッパ151の制御回路は、例え
ば、受電部の電圧検出をする電圧検出器と、この検出電
圧が設定値を越えたか否かを判定する比較器と、この電
圧検出と比較判定結果に応じて、チョッパ主回路の制御
周期の調節と昇降圧方向を切換える回路を設けることで
実現される。
[0020] Incidentally, chopper 15 1 of the control circuit are compared, for example, a voltage detector for the voltage detection of the power receiving unit, and determining comparator whether the detected voltage exceeds a set value, this voltage detection This is realized by providing a circuit that adjusts the control cycle of the chopper main circuit and switches the step-up / step-down direction according to the determination result.

【0021】また、エネルギー蓄積装置15は、チョッ
パ151を省略し、キャパシタ152を受電部の電圧まで
常時充電しておく構成とすることもできる。また、電気
二重層キャパシタに代えて、二次電池とすることもでき
る。また、主回路14の制御方式は、界磁チョッパ方式
など他の回路方式とすることができる。
Further, the energy storage device 15, omitting the chopper 15 1 may be configured to be charged at all times capacitor 15 2 until the voltage of the power receiving unit. Further, a secondary battery can be used instead of the electric double layer capacitor. Further, the control method of the main circuit 14 can be another circuit method such as a field chopper method.

【0022】以上の構成により、車両の振動等により、
トロリー線とパンタグラフの接触が切れた(離線現象)
場合、この電流遮断に対して主回路14の電気子などの
インダクタンス分に蓄積された電流はエネルギー蓄積装
置15の充放電で吸収することができ、従来のトロリー
線とパンタグラフ間のアークでパンタグラフが損傷する
不都合を解消できる。同様に、事故等によりトロリー線
に停電区間が発生し、電気車が加圧区間から無加圧区間
に進入した場合にもパンタグラフの損傷を防止できる。
With the above configuration, the vehicle vibration
The contact between the trolley wire and the pantograph is broken (wire breakage phenomenon)
In this case, in response to the current interruption, the current accumulated in the inductance of the armature and the like of the main circuit 14 can be absorbed by charging and discharging of the energy storage device 15, and the pantograph is formed by the conventional arc between the trolley wire and the pantograph. The inconvenience of damage can be eliminated. Similarly, even if a power failure section occurs on the trolley line due to an accident or the like and the electric vehicle enters the non-pressurized section from the pressurized section, damage to the pantograph can be prevented.

【0023】また、電気車のパンタグラフ点の電圧が急
激に変動した場合、この電圧変動をエネルギー蓄積装置
により抑制することができ、電気車の速度変動や乗り心
地を悪くするのを防止できる。
Further, when the voltage at the pantograph point of the electric vehicle fluctuates rapidly, this voltage fluctuation can be suppressed by the energy storage device, and the speed fluctuation and the riding comfort of the electric vehicle can be prevented from being deteriorated.

【0024】さらに、エネルギー蓄積装置を搭載した電
気車は、電気車が力行開始や回生開始する場合にトロリ
ー線の電圧変化をエネルギー蓄積装置が抑制するため、
トロリー線や変電所などの電源設備から見て電気車自体
が負荷変動要因となることが少なくなり、該電源設備の
責務を軽減してその簡略化、コストダウン等を図ること
ができる。
Further, in the electric vehicle equipped with the energy storage device, the energy storage device suppresses the voltage change of the trolley wire when the electric vehicle starts to run or regenerate.
From the viewpoint of power supply equipment such as a trolley wire and a substation, the electric vehicle itself is less likely to cause a load change, so that the responsibility of the power supply equipment can be reduced, and simplification and cost reduction can be achieved.

【0025】さらにまた、エネルギー蓄積装置は、夜間
やトンネル、地下の走行中での変電所等の停電に際して
電気車の非常用直流電源として利用することができる。
Furthermore, the energy storage device can be used as an emergency DC power supply for electric vehicles at the time of a power outage at a substation at night, in a tunnel, underground, or the like.

【0026】以上の実施形態は、直流電気車に適用した
場合を示すが、走行用の誘導電動機をインバータで速度
制御する方式などの交流電気車に適用して同等の作用効
果を得ることができる。この場合、インバータの直流側
にエネルギー蓄積装置を設置する。同様に、交流受電で
交流または直流電動機を駆動する方式の電気車に適用す
ることができる。この場合、交流受電部に電気二重層キ
ャパシタと交流と直流の双方向電力変換器、さらにトラ
ンスを組み合わせたエネルギー蓄積装置を設置する。
The above embodiment shows a case in which the present invention is applied to a DC electric vehicle. However, the same effect can be obtained by applying the present invention to an AC electric vehicle such as a system in which a traveling induction motor is speed-controlled by an inverter. . In this case, an energy storage device is installed on the DC side of the inverter. Similarly, the present invention can be applied to an electric vehicle of a type in which an AC or DC motor is driven by AC power reception. In this case, an energy storage device combining an electric double layer capacitor, an AC / DC bidirectional power converter, and a transformer is installed in the AC power receiving unit.

【0027】[0027]

【発明の効果】以上のとおり、本発明によれば、電気車
内の受電部に電力変換器と直流電力蓄積装置からなるエ
ネルギー蓄積装置を接続し、電力変換器の制御により受
電部の電圧変化を抑制するようにしたため、電気車のパ
ンタグラフの損傷を少なくするとともに車内の電圧変動
による乗り心地の改善などを図ることができる。
As described above, according to the present invention, an energy storage device including a power converter and a DC power storage device is connected to a power receiving unit in an electric vehicle, and a voltage change of the power receiving unit is controlled by controlling the power converter. Because of the suppression, it is possible to reduce the damage to the pantograph of the electric vehicle and to improve the riding comfort due to the voltage fluctuation in the vehicle.

【0028】また、電気車によるトロリー線の電圧変化
を抑制し、電鉄用電源設備の責務を軽減してその簡略
化、コストダウン等を図ることができる。
Further, it is possible to suppress a change in the voltage of the trolley wire due to the electric vehicle, reduce the responsibilities of the power supply equipment for electric railways, and simplify the cost and reduce the cost.

【0029】また、エネルギー蓄積装置は、変電所等の
停電に際して電気車の非常用直流電源として利用するこ
とができる。
Further, the energy storage device can be used as an emergency DC power source for an electric vehicle at the time of a power outage at a substation or the like.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施形態を示す電気車の主回路構成
図。
FIG. 1 is a main circuit configuration diagram of an electric vehicle showing an embodiment of the present invention.

【図2】電鉄用直流電源設備の例。FIG. 2 shows an example of DC power supply equipment for electric railways.

【符号の説明】[Explanation of symbols]

11…パンタグラフ 14…主回路 15…エネルギー蓄積装置 151…昇降圧チョッパ 152…電気二重層キャパシタ11 pantograph 14 main circuit 15 energy storage device 15 1 step-up / step-down chopper 15 2 electric double layer capacitor

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 5G065 AA01 EA01 GA09 HA01 HA16 LA01 MA01 NA01 5H115 PA03 PA15 PG08 PI03 PI13 PI16 PO06 PO12 PU02 PV02 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5G065 AA01 EA01 GA09 HA01 HA16 LA01 MA01 NA01 5H115 PA03 PA15 PG08 PI03 PI13 PI16 PO06 PO12 PU02 PV02

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 トロリー線からパンタグラフを通して車
内に受電し、走行用電動機等に電力を供給する電源回路
を搭載した電鉄用電気車において、 電気車内の受電部に電力変換器と直流電力蓄積装置から
なるエネルギー蓄積装置を接続し、 前記電力変換器は、前記受電部の電圧変化に対して該受
電部から前記直流電力蓄積装置への充電制御または該直
流電力蓄積装置から該受電部への放電制御で該受電部の
電圧変化を抑制する制御回路を設けたことを特徴とする
電鉄用電気車。
1. An electric railway vehicle equipped with a power supply circuit for receiving electric power from a trolley wire through a pantograph into a vehicle and supplying electric power to a driving motor or the like, wherein a power receiving unit in the electric vehicle includes a power converter and a DC power storage device. An energy storage device, wherein the power converter controls charging from the power receiving unit to the DC power storage device or discharging control from the DC power storage device to the power receiving unit in response to a voltage change of the power receiving unit. And a control circuit for suppressing a voltage change of the power receiving unit.
JP2000133059A 2000-05-02 2000-05-02 Electric rolling stock for railway Pending JP2001320831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000133059A JP2001320831A (en) 2000-05-02 2000-05-02 Electric rolling stock for railway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000133059A JP2001320831A (en) 2000-05-02 2000-05-02 Electric rolling stock for railway

Publications (1)

Publication Number Publication Date
JP2001320831A true JP2001320831A (en) 2001-11-16

Family

ID=18641626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000133059A Pending JP2001320831A (en) 2000-05-02 2000-05-02 Electric rolling stock for railway

Country Status (1)

Country Link
JP (1) JP2001320831A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003199354A (en) * 2001-12-25 2003-07-11 Toshiba Corp Power converter
JP2008017587A (en) * 2006-07-05 2008-01-24 Toyo Electric Mfg Co Ltd Power storage system controller
JP2008141849A (en) * 2006-11-30 2008-06-19 Toshiba Corp Electric vehicle controller
CN102627109A (en) * 2012-04-19 2012-08-08 南车株洲电力机车有限公司 Battery control circuit for double-electrical-energy locomotive
CN106627161A (en) * 2016-11-24 2017-05-10 汤广武 Electric automobile driving charging system
CN110091717A (en) * 2019-05-31 2019-08-06 青岛特锐德电气股份有限公司 The electrode arrangement configurations of charging bow and pantograph

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003199354A (en) * 2001-12-25 2003-07-11 Toshiba Corp Power converter
JP2007104899A (en) * 2001-12-25 2007-04-19 Toshiba Corp Power converter
JP2007151392A (en) * 2001-12-25 2007-06-14 Toshiba Corp Power converter
JP2008017587A (en) * 2006-07-05 2008-01-24 Toyo Electric Mfg Co Ltd Power storage system controller
JP2008141849A (en) * 2006-11-30 2008-06-19 Toshiba Corp Electric vehicle controller
JP4746525B2 (en) * 2006-11-30 2011-08-10 株式会社東芝 Electric vehicle control device
CN102627109A (en) * 2012-04-19 2012-08-08 南车株洲电力机车有限公司 Battery control circuit for double-electrical-energy locomotive
CN102627109B (en) * 2012-04-19 2015-05-20 南车株洲电力机车有限公司 Battery control circuit for double-electrical-energy locomotive
CN106627161A (en) * 2016-11-24 2017-05-10 汤广武 Electric automobile driving charging system
CN110091717A (en) * 2019-05-31 2019-08-06 青岛特锐德电气股份有限公司 The electrode arrangement configurations of charging bow and pantograph

Similar Documents

Publication Publication Date Title
JP3911621B2 (en) Railway system for battery-powered trains
EP2241472B1 (en) Power storage control apparatus and method of electric vehicle
US8924051B2 (en) Drive device for railway vehicle
US8615341B2 (en) Propulsion control apparatus for electric vehicle
JP4415874B2 (en) Charge and discharge method for transportation system
US11465508B2 (en) Braking recovery system and method for train, and train
US20130127247A1 (en) Battery management apparatus for an electric vehicle, and method for managing same
JP2009072003A5 (en)
JP6055258B2 (en) Railway vehicle
JP2008263741A (en) Battery charger of railroad vehicle
JP2008263741A5 (en)
JP3618273B2 (en) DC feeder system for electric railway
JP4772718B2 (en) Railway vehicle drive system
JP2008154355A (en) Accumulation equipment
JP4304827B2 (en) Power supply facilities and electric vehicles
JP4178728B2 (en) Power supply equipment for electric vehicles
JP2006062489A (en) Power storage type regenerated power absorber and its controlling method
JP5777669B2 (en) Electric vehicle control device
CN109982888B (en) Circuit system for railway vehicle
JP2001320831A (en) Electric rolling stock for railway
JP2003220859A (en) Power accumulation unit for dc electrical equipment and railway electrical system
US11999267B2 (en) Power line system with ripple generator for electric vehicles
JPH1198606A (en) Power supply for regenerative power absorber

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060308

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070403

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070731