JPS59132381U - Overvoltage suppressor - Google Patents

Overvoltage suppressor

Info

Publication number
JPS59132381U
JPS59132381U JP2683583U JP2683583U JPS59132381U JP S59132381 U JPS59132381 U JP S59132381U JP 2683583 U JP2683583 U JP 2683583U JP 2683583 U JP2683583 U JP 2683583U JP S59132381 U JPS59132381 U JP S59132381U
Authority
JP
Japan
Prior art keywords
power
power supply
overvoltage
bus
control device
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.)
Granted
Application number
JP2683583U
Other languages
Japanese (ja)
Other versions
JPH0416637Y2 (en
Inventor
小林 忠夫
速水 一夫
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP2683583U priority Critical patent/JPS59132381U/en
Publication of JPS59132381U publication Critical patent/JPS59132381U/en
Application granted granted Critical
Publication of JPH0416637Y2 publication Critical patent/JPH0416637Y2/ja
Granted 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]

゛ 図面は本考案の一実施例を示す回路図である。 1・・・・・・三相交流母線、2a〜2f・・・・・・
サイリスタ、3・・・・・・インバータ、4・・・・・
・直流リアクトル、5・・・・・・高調波抑制装置、6
・・・・・・制御装置、7・・・・・・制御電源部、8
・・・・・・変圧器、9.14・・・・・・整流器、1
0・・・・・・平滑コンデンサ、12・・・・・・過電
圧抑制回路、13a〜13f・・・・・・ダイオード、
15・・回通電圧吸収用コンデンサ、16・・・・・・
放電抵抗、17・・・・・・DC−DCコンバータ
゛ The drawing is a circuit diagram showing one embodiment of the present invention. 1... Three-phase AC bus, 2a to 2f...
Thyristor, 3... Inverter, 4...
・DC reactor, 5...Harmonic suppressor, 6
...Control device, 7...Control power supply section, 8
......Transformer, 9.14...Rectifier, 1
0... Smoothing capacitor, 12... Overvoltage suppression circuit, 13a to 13f... Diode,
15... Capacitor for absorbing circulation voltage, 16...
Discharge resistance, 17...DC-DC converter

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源と負荷を結ぶ交流母線に共通接続され、高調波
抑制を行なう電力変換器と、この電力変換器の正負入力
端間に並列接続された直流リアクトルと、前記電力変換
器の制御素子に制御信号を送出する制御装置と、前記交
流母線からの交流入力を直流に変換して所定の直流電力
を前記制御装置へ供給する制御電源部とを有する高調波
抑制装置において、前記交流母線に共通接続され、前記
交流電源の電圧および交流電源側で発生する過電圧を整
流する整流器および該整流器の正負出力端間に並列接続
されたコンデンサおよび抵抗から成る過電圧抑制回路と
、この過電圧抑制回路の出力を前記制御装置に供給する
電路に介挿されたDC−DCコンバータとを備えたこと
を特徴とする過電圧抑制装置。
A power converter that is commonly connected to an AC bus line connecting an AC power source and a load and performs harmonic suppression, a DC reactor that is connected in parallel between the positive and negative input terminals of this power converter, and a control element of the power converter that controls A harmonic suppression device having a control device that sends a signal, and a control power supply unit that converts an AC input from the AC bus into DC and supplies predetermined DC power to the control device, wherein the harmonic suppression device is commonly connected to the AC bus. a rectifier for rectifying the voltage of the AC power supply and overvoltage generated on the AC power supply side; and an overvoltage suppression circuit comprising a capacitor and a resistor connected in parallel between the positive and negative output terminals of the rectifier; An overvoltage suppression device characterized by comprising a DC-DC converter inserted in an electric line that supplies a control device.
JP2683583U 1983-02-25 1983-02-25 Overvoltage suppressor Granted JPS59132381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2683583U JPS59132381U (en) 1983-02-25 1983-02-25 Overvoltage suppressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2683583U JPS59132381U (en) 1983-02-25 1983-02-25 Overvoltage suppressor

Publications (2)

Publication Number Publication Date
JPS59132381U true JPS59132381U (en) 1984-09-05
JPH0416637Y2 JPH0416637Y2 (en) 1992-04-14

Family

ID=30157740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2683583U Granted JPS59132381U (en) 1983-02-25 1983-02-25 Overvoltage suppressor

Country Status (1)

Country Link
JP (1) JPS59132381U (en)

Also Published As

Publication number Publication date
JPH0416637Y2 (en) 1992-04-14

Similar Documents

Publication Publication Date Title
JPS59132381U (en) Overvoltage suppressor
JPS6089794U (en) Voltage type inverter with power regeneration
JPS60174492U (en) Inrush current suppression device for inverter
JPS58176591U (en) Overvoltage suppression device for current source inverter
JPS5969639U (en) Surge voltage absorption circuit
JPS58687U (en) Inverter device with power factor correction circuit
JPS59164487U (en) Inverter overvoltage protection device
JPS58159014U (en) AC power supply
JPS58153594U (en) power converter
JPS598293U (en) semiconductor conversion equipment
JPS58149096U (en) Spike voltage suppression circuit for current source inverter
JPS58153584U (en) Protection circuit for power conversion equipment
JPS59124672U (en) Inverter protection circuit in resistance welding machine
JPS5857291U (en) DC-DC converter
JPS6077287U (en) Inrush current prevention circuit
JPS61169486U (en)
JPS59169593U (en) Parallel inverter device
JPS60166292U (en) Inverter device
JPS5981238U (en) Power supply power failure detection circuit
JPS6055240U (en) Dependent control rectifier circuit
JPS5913088U (en) power circuit
JPS5981291U (en) Self-excited switching power supply
JPS5985090U (en) Alternating current
JPS58153589U (en) Protective device for inverter equipment
JPS5822092U (en) Automotive inverter