JPS639620U - - Google Patents
Info
- Publication number
- JPS639620U JPS639620U JP10262786U JP10262786U JPS639620U JP S639620 U JPS639620 U JP S639620U JP 10262786 U JP10262786 U JP 10262786U JP 10262786 U JP10262786 U JP 10262786U JP S639620 U JPS639620 U JP S639620U
- Authority
- JP
- Japan
- Prior art keywords
- power converter
- time limit
- phase
- reference phase
- ignition
- 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
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の実施例を示す制御ブロツク図
であり、第２図は時定数が長大な負荷へ電力を供
給する電力変換器の従来例を示す制御ブロツク図
、第３図は第２図に示す従来例回路の各部の動作
をあらわした動作波形図である。
２……交流電源、３……電力変換器、４……フ
リーホイールダイオード、５……発電機界磁、６
……交流発電機、１１……計器用変圧器、１２…
…鋸歯状波発生回路、１３……点弧角設定器、１
４……コンパレータ、１５，１７……パルス整形
回路、１６……時限回路、１８……ＯＲ素子、２
１……全波整流回路、２２……加算回路。
FIG. 1 is a control block diagram showing an embodiment of the present invention, FIG. 2 is a control block diagram showing a conventional example of a power converter that supplies power to a load with a long time constant, and FIG. FIG. 2 is an operation waveform diagram showing the operation of each part of the conventional example circuit shown in the figure. 2... AC power supply, 3... Power converter, 4... Freewheel diode, 5... Generator field, 6
...AC generator, 11...Instrument transformer, 12...
...Sawtooth wave generation circuit, 13...Ignition angle setting device, 1
4... Comparator, 15, 17... Pulse shaping circuit, 16... Time limit circuit, 18... OR element, 2
1... Full-wave rectifier circuit, 22... Adder circuit.
Claims (1)
る電力変換器であつて、基準相はその相電圧によ
り点弧制御角を演算し、他の相は時限手段により
基準相との電源位相角に相当する時限経過後に点
弧パルスが与えられるように構成された電力変換
器において、前記時限手段には前記交流入力の周
波数変動に対応してその設定時限を変化させる手
段が備えられていることを特徴とする電力変換器
の制御装置。 It is a power converter that is composed of semiconductor switch elements and inputs alternating current, and the reference phase calculates the ignition control angle based on the phase voltage, and the other phases correspond to the power supply phase angle with respect to the reference phase by time-limiting means. A power converter configured to apply an ignition pulse after a time limit has elapsed, characterized in that the time limit means includes means for changing the set time limit in response to frequency fluctuations of the AC input. Control device for power converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10262786U JPS639620U (en) | 1986-07-03 | 1986-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10262786U JPS639620U (en) | 1986-07-03 | 1986-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS639620U true JPS639620U (en) | 1988-01-22 |
Family
ID=30974443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10262786U Pending JPS639620U (en) | 1986-07-03 | 1986-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639620U (en) |
-
1986
- 1986-07-03 JP JP10262786U patent/JPS639620U/ja active Pending
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