JPS59132381U - Overvoltage suppressor - Google Patents
Overvoltage suppressorInfo
- 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
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)
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.
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) |
-
1983
- 1983-02-25 JP JP2683583U patent/JPS59132381U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0416637Y2 (en) | 1992-04-14 |
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