JPS5856501U - electric car protection device - Google Patents

electric car protection device

Info

Publication number
JPS5856501U
JPS5856501U JP14813481U JP14813481U JPS5856501U JP S5856501 U JPS5856501 U JP S5856501U JP 14813481 U JP14813481 U JP 14813481U JP 14813481 U JP14813481 U JP 14813481U JP S5856501 U JPS5856501 U JP S5856501U
Authority
JP
Japan
Prior art keywords
protection device
main motor
electric car
car protection
brake circuit
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
JP14813481U
Other languages
Japanese (ja)
Inventor
猛 古賀
明 加藤
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP14813481U priority Critical patent/JPS5856501U/en
Publication of JPS5856501U publication Critical patent/JPS5856501U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来装置の回路図、第２図は本考案の一実施例
を示す回路図である。 、４ａ・・・ブレーキ回路用サイリスタ、４ｂ−・・転
流回路、４ｃ・・・ヒユーズ、７・・・主電動機、８・
・・主平滑リアクトル、９・・・電機子チョッパ、１１
・・・フリーホイリングダイオード、１４・・・電流検
出器、１４ａ・・・サイリスタオフ信号。FIG. 1 is a circuit diagram of a conventional device, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. , 4a... Thyristor for brake circuit, 4b-... Commutation circuit, 4c... Fuse, 7... Main motor, 8...
...Main smoothing reactor, 9...Armature chopper, 11
...Freewheeling diode, 14...Current detector, 14a...Thyristor off signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主電動機に流れる電流を電機子チョッパによってオン、
オフして回生ブレー寧をかけるものにおいて、上記主電
動機と直列に、ブレーキ回路用サイリスタ及びヒユーズ
を接続し、さらに上記主電動機に流れる電流が所定値に
達したとき上記ブレーキ回路用サイリスタにオフ指令信
号を与える電流検出器を挿入したことを特徴とする電気
車の保護装置。The armature chopper turns on the current flowing to the main motor.
In a device that turns off and applies regenerative braking, a brake circuit thyristor and a fuse are connected in series with the main motor, and when the current flowing through the main motor reaches a predetermined value, the brake circuit thyristor is commanded to turn off. A protection device for an electric vehicle characterized by inserting a current detector that provides a signal.
JP14813481U 1981-10-07 1981-10-07 electric car protection device Pending JPS5856501U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14813481U JPS5856501U (en) 1981-10-07 1981-10-07 electric car protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14813481U JPS5856501U (en) 1981-10-07 1981-10-07 electric car protection device

Publications (1)

Publication Number Publication Date
JPS5856501U true JPS5856501U (en) 1983-04-16

Family

ID=29940958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14813481U Pending JPS5856501U (en) 1981-10-07 1981-10-07 electric car protection device

Country Status (1)

Country Link
JP (1) JPS5856501U (en)

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