JPS60138326U - Charging circuit for power converter - Google Patents

Charging circuit for power converter

Info

Publication number
JPS60138326U
JPS60138326U JP2434584U JP2434584U JPS60138326U JP S60138326 U JPS60138326 U JP S60138326U JP 2434584 U JP2434584 U JP 2434584U JP 2434584 U JP2434584 U JP 2434584U JP S60138326 U JPS60138326 U JP S60138326U
Authority
JP
Japan
Prior art keywords
charging circuit
power
power converter
linear resistor
smoothing capacitor
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
JP2434584U
Other languages
Japanese (ja)
Inventor
加護谷　隆己
Original Assignee
富士電機株式会社
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 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP2434584U priority Critical patent/JPS60138326U/en
Publication of JPS60138326U publication Critical patent/JPS60138326U/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)

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 drawings]

第１図は電力変換装置の従来例を示す回路図で　。 あり、第２図は本考案の実施例を示す回路図である。 １・・・交流電源、２・・・整流器、３・・・平滑コン
デンサ、４・・・インバータ、５・・・誘導電動機、６
・・・限流抵抗、７・・・スイッチング素子としてのト
ランジスタ、１１・・・非直線抵抗。５FIG. 1 is a circuit diagram showing a conventional example of a power conversion device. 2 is a circuit diagram showing an embodiment of the present invention. 1... AC power supply, 2... Rectifier, 3... Smoothing capacitor, 4... Inverter, 5... Induction motor, 6
...Current limiting resistor, 7...Transistor as a switching element, 11...Nonlinear resistance. 5

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）平滑コンデンサにより平滑された直流電力を入力
して、半導体素子のスイッチング動作により交流または
直流電力を出力するようなされている電力変換装置にお
いて。前記平滑コンデンサよりも電源側に前記電力変換
装置に直列に接続される非直線抵抗と、該非直線抵抗を
短絡するように接続されるスイッチング素子とを備えて
なるこ″とを特徴とする電力変換装置の充電回路。(1) In a power conversion device that receives DC power smoothed by a smoothing capacitor and outputs AC or DC power through switching operations of semiconductor elements. A power converter comprising: a non-linear resistor connected in series to the power converter on the power source side of the smoothing capacitor; and a switching element connected to short-circuit the non-linear resistor. Device charging circuit. （２）実用新案登録請求の範囲第１項記載の充電回路に
おいて、前記非直線抵抗はその温度が上昇゛するにつれ
て急激に抵抗値が増加する特性を有する非直線抵抗であ
ることを特徴とする電力変換装置の充電回路。(2) Utility model registration The charging circuit according to claim 1, characterized in that the non-linear resistor is a non-linear resistor having a characteristic that its resistance value increases rapidly as its temperature rises. Charging circuit for power conversion equipment.
JP2434584U 1984-02-22 1984-02-22 Charging circuit for power converter Pending JPS60138326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2434584U JPS60138326U (en) 1984-02-22 1984-02-22 Charging circuit for power converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2434584U JPS60138326U (en) 1984-02-22 1984-02-22 Charging circuit for power converter

Publications (1)

Publication Number Publication Date
JPS60138326U true JPS60138326U (en) 1985-09-13

Family

ID=30518407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2434584U Pending JPS60138326U (en) 1984-02-22 1984-02-22 Charging circuit for power converter

Country Status (1)

Country Link
JP (1) JPS60138326U (en)

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