JPS58143437U - overcurrent relay - Google Patents
overcurrent relayInfo
- Publication number
- JPS58143437U JPS58143437U JP3829082U JP3829082U JPS58143437U JP S58143437 U JPS58143437 U JP S58143437U JP 3829082 U JP3829082 U JP 3829082U JP 3829082 U JP3829082 U JP 3829082U JP S58143437 U JPS58143437 U JP S58143437U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- overcurrent
- lighting
- relay
- signal
- 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
- Protection Of Generators And Motors (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の概略構成を示すブロック
図、第2図は本考案に係る過電流継電器の概略構成を示
すブロック図である。
各図中同一部材には同一符号を付し、10は変流器、1
2は過電流検出回路、14はリレー回路、16は点灯回
路、20.203はリセット装置である。FIG. 1 is a block diagram showing a schematic configuration of a conventional overcurrent relay, and FIG. 2 is a block diagram showing a schematic configuration of an overcurrent relay according to the present invention. Identical members in each figure are given the same reference numerals; 10 is a current transformer; 1 is a current transformer;
2 is an overcurrent detection circuit, 14 is a relay circuit, 16 is a lighting circuit, and 20.203 is a reset device.
Claims (1)
器によって検出された負荷電流が設定基準値を越えたと
きに過電流トリップ信号を出力する過電流検出回路と、
前記過電流トリップ信号により主回路を開放するリレー
回路と、前記過電流トリップ信号により過電流表示灯に
点灯信号を出力保持する点灯回路と、前記点灯回路の点
灯保持作用を解除するリセット装置と、を含む過電流継
電器において、前記リセット装置はモータの再起動を検
出し前記点灯回路に解除信号を供給するりセット回路を
有することを特徴とする過電流継電器。a current transformer that detects a load current in a motor main circuit; an overcurrent detection circuit that outputs an overcurrent trip signal when the load current detected by the current transformer exceeds a set reference value;
a relay circuit that opens the main circuit in response to the overcurrent trip signal; a lighting circuit that outputs and maintains a lighting signal to an overcurrent indicator lamp in response to the overcurrent trip signal; and a reset device that releases the lighting holding action of the lighting circuit; An overcurrent relay comprising: an overcurrent relay, wherein the reset device has a set circuit that detects restart of the motor and supplies a release signal to the lighting circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3829082U JPS58143437U (en) | 1982-03-18 | 1982-03-18 | overcurrent relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3829082U JPS58143437U (en) | 1982-03-18 | 1982-03-18 | overcurrent relay |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58143437U true JPS58143437U (en) | 1983-09-27 |
Family
ID=30049638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3829082U Pending JPS58143437U (en) | 1982-03-18 | 1982-03-18 | overcurrent relay |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58143437U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5023803U (en) * | 1973-06-29 | 1975-03-18 | ||
JPS5543745U (en) * | 1978-09-13 | 1980-03-21 |
-
1982
- 1982-03-18 JP JP3829082U patent/JPS58143437U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5023803U (en) * | 1973-06-29 | 1975-03-18 | ||
JPS5543745U (en) * | 1978-09-13 | 1980-03-21 |
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