JPS60151238U - power factor control device - Google Patents
power factor control deviceInfo
- Publication number
- JPS60151238U JPS60151238U JP3719484U JP3719484U JPS60151238U JP S60151238 U JPS60151238 U JP S60151238U JP 3719484 U JP3719484 U JP 3719484U JP 3719484 U JP3719484 U JP 3719484U JP S60151238 U JPS60151238 U JP S60151238U
- Authority
- JP
- Japan
- Prior art keywords
- power factor
- semiconductor switch
- electromagnetic contactor
- control device
- phase
- 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
Links
Landscapes
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の電気回路図、第２図は別の従来例の電
気回路図、第３図はこの考案の一実施例の電気回路図、
第４図はその基本的タイムチャート、第５図は制御回路
の電気回路図、第６図はそのタイムチャートである。
１・・・電磁接触器、２・・・半導体スイッチ、３・・
・制御回路、４・・・進相コンデンサ、５・・・電源、
６・・・力率検出器。Fig. 1 is an electric circuit diagram of a conventional example, Fig. 2 is an electric circuit diagram of another conventional example, and Fig. 3 is an electric circuit diagram of an embodiment of this invention.
FIG. 4 is its basic time chart, FIG. 5 is an electric circuit diagram of the control circuit, and FIG. 6 is its time chart. 1...Magnetic contactor, 2...Semiconductor switch, 3...
・Control circuit, 4... Phase advance capacitor, 5... Power supply,
6...Power factor detector.
Claims (1)
、この電磁接触器に並列接続した半導体スイッチと、前
記電源の力率を検出し力率の位相が所定値よりも遅れた
ときに投入信号を出力し力率の位相が所定値よりも進ん
だときにしゃ断信号を出力する力率検出器と、前記投入
信号により前記半導体スイッチを先に導通し所定限時時
間後に前記電磁接触器を閉路し前記しゃ断信号により前
記電磁接触器を先に開路し所定限時時間後に前記半導体
スイッチをしゃ断する制御回路とを備えた力率制御装置
。An electromagnetic contactor inserted between a power supply and a phase advancing capacitor, a semiconductor switch connected in parallel to this electromagnetic contactor, and a semiconductor switch that detects the power factor of the power supply and detects when the phase of the power factor lags behind a predetermined value. a power factor detector that outputs a closing signal and outputs a cutoff signal when the phase of the power factor advances beyond a predetermined value; and a power factor detector that first conducts the semiconductor switch according to the closing signal and turns off the electromagnetic contactor after a predetermined time period. A power factor control device comprising: a control circuit that closes the circuit, first opens the electromagnetic contactor in response to the cutoff signal, and then cuts off the semiconductor switch after a predetermined time period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3719484U JPS60151238U (en) | 1984-03-14 | 1984-03-14 | power factor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3719484U JPS60151238U (en) | 1984-03-14 | 1984-03-14 | power factor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60151238U true JPS60151238U (en) | 1985-10-08 |
Family
ID=30543056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3719484U Pending JPS60151238U (en) | 1984-03-14 | 1984-03-14 | power factor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60151238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120317A (en) * | 1986-11-10 | 1988-05-24 | Mitsubishi Electric Corp | High voltage ac thyristor switch device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56103719A (en) * | 1980-01-22 | 1981-08-19 | Toshiba Corp | Controller for applied phase of invalid power supply device |
-
1984
- 1984-03-14 JP JP3719484U patent/JPS60151238U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56103719A (en) * | 1980-01-22 | 1981-08-19 | Toshiba Corp | Controller for applied phase of invalid power supply device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120317A (en) * | 1986-11-10 | 1988-05-24 | Mitsubishi Electric Corp | High voltage ac thyristor switch device |
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