JPS6174U - Phase correlation detection device for three-phase AC power supply - Google Patents
Phase correlation detection device for three-phase AC power supplyInfo
- Publication number
- JPS6174U JPS6174U JP8371684U JP8371684U JPS6174U JP S6174 U JPS6174 U JP S6174U JP 8371684 U JP8371684 U JP 8371684U JP 8371684 U JP8371684 U JP 8371684U JP S6174 U JPS6174 U JP S6174U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- phase
- power supply
- wave
- detection 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.)
- Pending
Links
Landscapes
- Measuring Phase Differences (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示す回路構成図、第２図
イ〜へは回路動作を説明する為に三相交流各相間のタイ
ミングを信号処理をする順に示した図である。
図において１は電圧分割回路、２は半波整流回路、３は
方形波変換回路、４は微分回路、５はＲの論理回路、６
は表示回路、７は電源回路、Ｓｌ，Ｓ２，Ｓ３，ＳＯは
入力信号（各相間電圧）である。
なお、図中同一符号は同一または相当部分を示す。FIG. 1 is a circuit configuration diagram showing an embodiment of this invention, and FIGS. 2A to 2B are diagrams showing the timing between each phase of a three-phase AC in the order of signal processing in order to explain the circuit operation. In the figure, 1 is a voltage divider circuit, 2 is a half-wave rectifier circuit, 3 is a square wave conversion circuit, 4 is a differentiation circuit, 5 is an R logic circuit, and 6
7 is a display circuit, 7 is a power supply circuit, and SL, S2, S3, and SO are input signals (voltages between each phase). Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
割回路の出力を半波整流する半波整流回路と半波整流さ
れたものを方形波に変換する変換回路と方形波を微分す
る微分回路と微分された波形とされない他相の方形波と
を比較するＡＮＤ論理回路と、その、論理回路の出力を
表示する表示回路と上記の方形波変換回路、微分回路、
ＡＮＤ論理回路及び表示回路に直流を供給する電源回路
とを備えたことを特徴とする三相交流電源の位相関係検
出装置。A voltage divider circuit that drops the input AC voltage, a half-wave rectifier circuit that half-wave rectifies the output of the voltage divider circuit, a conversion circuit that converts the half-wave rectified signal into a square wave, and a differentiation circuit that differentiates the square wave. An AND logic circuit that compares a differentiated waveform with a square wave of another phase that is not differentiated, a display circuit that displays the output of the logic circuit, and the above-mentioned square wave conversion circuit and differentiation circuit,
A phase relationship detection device for a three-phase AC power supply, comprising an AND logic circuit and a power supply circuit that supplies DC to a display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8371684U JPS6174U (en) | 1984-06-06 | 1984-06-06 | Phase correlation detection device for three-phase AC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8371684U JPS6174U (en) | 1984-06-06 | 1984-06-06 | Phase correlation detection device for three-phase AC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6174U true JPS6174U (en) | 1986-01-06 |
Family
ID=30632595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8371684U Pending JPS6174U (en) | 1984-06-06 | 1984-06-06 | Phase correlation detection device for three-phase AC power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6174U (en) |
-
1984
- 1984-06-06 JP JP8371684U patent/JPS6174U/en active Pending
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