JPH0230237U - - Google Patents
Info
- Publication number
- JPH0230237U JPH0230237U JP10941288U JP10941288U JPH0230237U JP H0230237 U JPH0230237 U JP H0230237U JP 10941288 U JP10941288 U JP 10941288U JP 10941288 U JP10941288 U JP 10941288U JP H0230237 U JPH0230237 U JP H0230237U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power
- output
- supply line
- power supply
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は、この考案の一実施例を示す不足継電
器の回路ブロツク図、第２図は同不足電力継電器
の出力回路の具体例を示す回路接続図である。
１：電力不足継電器、２：電力供給ライン、１
３：電圧入力回路、１４：電流入力回路、１５：
電力変換回路、１７：比較回路、１９：出力回路
、２０：出力リレー、Ｌ１，Ｌ２：禁止端子。
FIG. 1 is a circuit block diagram of an underpower relay showing an embodiment of this invention, and FIG. 2 is a circuit connection diagram showing a specific example of the output circuit of the underpower relay. 1: Power shortage relay, 2: Power supply line, 1
3: Voltage input circuit, 14: Current input circuit, 15:
Power conversion circuit, 17: Comparison circuit, 19: Output circuit, 20: Output relay, L 1 , L 2 : Inhibition terminal.
Claims (1)
と、電力供給ラインの電流を検出する電流検出回
路と、検出された電圧、電流を電力に変換する電
力変換回路と、この電力変換回路の出力電力と基
準値とを比較する比較回路と、基準値よりも電力
値の方が低いことを示す比較回路の出力で、電力
供給ラインをオフするしや断器を動作させるリレ
ーを駆動する出力回路とからなる不足電力継電器
において、 前記出力回路の動作を、選択的に禁止する禁止
回路手段を備えたことを特徴とする不足電力継電
器。[Claims for Utility Model Registration] A voltage detection circuit that detects the voltage of a power supply line, a current detection circuit that detects the current of the power supply line, and a power conversion circuit that converts the detected voltage and current into electric power; A comparison circuit that compares the output power of this power conversion circuit with a reference value and an output from the comparison circuit that indicates that the power value is lower than the reference value are used to turn off the power supply line or operate a disconnector. What is claimed is: 1. An underpower relay comprising an output circuit for driving a relay, comprising: prohibition circuit means for selectively prohibiting operation of the output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10941288U JPH0230237U (en) | 1988-08-19 | 1988-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10941288U JPH0230237U (en) | 1988-08-19 | 1988-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230237U true JPH0230237U (en) | 1990-02-26 |
Family
ID=31345632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10941288U Pending JPH0230237U (en) | 1988-08-19 | 1988-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230237U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241460A (en) * | 1975-09-26 | 1977-03-31 | Shinko Shoji Kk | Bacterial purifying method for purifying sewage from food factory |
-
1988
- 1988-08-19 JP JP10941288U patent/JPH0230237U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5241460A (en) * | 1975-09-26 | 1977-03-31 | Shinko Shoji Kk | Bacterial purifying method for purifying sewage from food factory |