JPS63146765U - - Google Patents
Info
- Publication number
- JPS63146765U JPS63146765U JP3942987U JP3942987U JPS63146765U JP S63146765 U JPS63146765 U JP S63146765U JP 3942987 U JP3942987 U JP 3942987U JP 3942987 U JP3942987 U JP 3942987U JP S63146765 U JPS63146765 U JP S63146765U
- Authority
- JP
- Japan
- Prior art keywords
- output
- filter
- analog switch
- pulse width
- alternating current
- 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
- 230000010363 phase shift Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ac-Ac Conversion (AREA)
Description
第１図は本考案に係る変換器の一実施例の回路
図、第２図及び第３図は夫々第１図の変換器の動
作を説明する為の図である。
１０…パルス幅変調回路、２０…方形波変換器
、３０…単安定マルチバイブレータ、４０…移相
回路、５０，７０…アナログスイツチ、６０，８
０…フイルタ。
FIG. 1 is a circuit diagram of an embodiment of the converter according to the present invention, and FIGS. 2 and 3 are diagrams for explaining the operation of the converter shown in FIG. 1, respectively. 10... Pulse width modulation circuit, 20... Square wave converter, 30... Monostable multivibrator, 40... Phase shift circuit, 50, 70... Analog switch, 60, 8
0...Filter.
Claims (1)
調回路、交流電流を９０°移相させる移相回路、
前記パルス幅変調回路の出力によつて駆動され前
記移相回路の出力を断続する第１のアナログスイ
ツチ、この第１のアナログスイツチを通過した信
号が加えられる第１のフイルタ、前記交流電圧を
方形波に変換する方形波変換器、この方形波変換
器の出力によつてトリガされ一定時間幅のパルス
を発生する単安定マルチバイブレータ、この単安
定マルチバイブレータの出力によつて駆動され前
記第１のフイルタの出力を断続する第２のアナロ
グスイツチ、この第２のアナログスイツチを通過
した信号が加えられる第２のフイルタ、及びこの
第２のフイルタの出力を取り出す出力端子よりな
る無効電力変換器。 A pulse width modulation circuit that modulates an alternating current voltage into a pulse width signal, a phase shift circuit that shifts the phase of an alternating current by 90 degrees,
a first analog switch driven by the output of the pulse width modulation circuit to intermittent the output of the phase shift circuit; a first filter to which the signal passed through the first analog switch is applied; a monostable multivibrator that is triggered by the output of the square wave converter and generates a pulse of a constant time width; A reactive power converter comprising a second analog switch that cuts off the output of the filter, a second filter to which the signal passed through the second analog switch is added, and an output terminal that takes out the output of the second filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039429U JPH055501Y2 (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039429U JPH055501Y2 (en) | 1987-03-18 | 1987-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63146765U true JPS63146765U (en) | 1988-09-28 |
| JPH055501Y2 JPH055501Y2 (en) | 1993-02-12 |
Family
ID=30852587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987039429U Expired - Lifetime JPH055501Y2 (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055501Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62273464A (en) * | 1986-05-21 | 1987-11-27 | Tokyo Electric Power Co Inc:The | Reactive power meter |
-
1987
- 1987-03-18 JP JP1987039429U patent/JPH055501Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62273464A (en) * | 1986-05-21 | 1987-11-27 | Tokyo Electric Power Co Inc:The | Reactive power meter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055501Y2 (en) | 1993-02-12 |