JPS59103534U - overcurrent relay - Google Patents
overcurrent relayInfo
- Publication number
- JPS59103534U JPS59103534U JP20191982U JP20191982U JPS59103534U JP S59103534 U JPS59103534 U JP S59103534U JP 20191982 U JP20191982 U JP 20191982U JP 20191982 U JP20191982 U JP 20191982U JP S59103534 U JPS59103534 U JP S59103534U
- Authority
- JP
- Japan
- Prior art keywords
- current transformer
- overcurrent
- control circuit
- detection control
- circuit
- 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
- 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図は従来の過電流継電器を示すブロック図、第２図
は本考案の過電流継電器の一実施例を示すブロック図、
第３図および第４図は本考案の他の実施例を示すブロッ
ク図およびその動作を説明するタイムチャート図である
。
１・・・・・・配電線、２・・・・・・遮断器、３・・
・・・・主変流器、４・・・・・・入力用変流器、５・
・・・・・電源用変流器、６゜６ａ・・・・・・ｂ接点
回路（ｂ接点）、７・・・・・・過電流検出回路、８，
１４・・・・・・タイマ回路、９，１５・・・・・・補
助継電器、１０・・・・・・電源回路５．１１・・・・
・・トリップコイル、１２．１２ａ・・・・・・ａ接点
回路、１３・・・・・・過電流検出制御回路。FIG. 1 is a block diagram showing a conventional overcurrent relay, and FIG. 2 is a block diagram showing an embodiment of the overcurrent relay of the present invention.
FIGS. 3 and 4 are block diagrams showing other embodiments of the present invention and time charts explaining their operations. 1... Distribution line, 2... Breaker, 3...
...Main current transformer, 4...Input current transformer, 5.
...Power supply current transformer, 6゜6a...B contact circuit (b contact), 7...Overcurrent detection circuit, 8,
14... Timer circuit, 9, 15... Auxiliary relay, 10... Power supply circuit 5.11...
...Trip coil, 12.12a...A contact circuit, 13...Overcurrent detection control circuit.
Claims (1)
用変流器と； 前記主変流器からの出力電流が所定値を越えたことを検
出し、かつこの検出出力に応答して所定時間後にオン動
作する過電流検出制御回路と；前記入力用変流器と直列
に接続され、かつ前記過電流検出制御回路のＡン、オフ
動作によって駆動されるｂ接点回路と； このｂ接点回路の両端に、トリップコイルと直列にして
接続され、かつ前記過電流検出制御回路のオン、オフ動
作によ−）で駆動されるａ接点回路とを備え； 前記ａ接点回路が閉じてから前記す接点回路が開くよう
に構成されてなることを特徴とする過電流継電器。[Claims for Utility Model Registration] An input current transformer that transforms current from a main current transformer installed in a distribution line; and detects that the output current from the main current transformer exceeds a predetermined value. and an overcurrent detection control circuit that turns on after a predetermined time in response to the detection output; connected in series with the input current transformer, and driven by the on and off operations of the overcurrent detection control circuit. and an A contact circuit connected to both ends of the B contact circuit in series with the trip coil and driven by the on/off operation of the overcurrent detection control circuit. An overcurrent relay characterized in that the overcurrent relay is configured such that the second contact circuit opens after the first contact circuit is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20191982U JPS59103534U (en) | 1982-12-27 | 1982-12-27 | overcurrent relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20191982U JPS59103534U (en) | 1982-12-27 | 1982-12-27 | overcurrent relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59103534U true JPS59103534U (en) | 1984-07-12 |
Family
ID=30427403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20191982U Pending JPS59103534U (en) | 1982-12-27 | 1982-12-27 | overcurrent relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59103534U (en) |
-
1982
- 1982-12-27 JP JP20191982U patent/JPS59103534U/en active Pending
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