JPS58134035U - Low voltage circuit earth leakage monitoring device - Google Patents
Low voltage circuit earth leakage monitoring deviceInfo
- Publication number
- JPS58134035U JPS58134035U JP3119782U JP3119782U JPS58134035U JP S58134035 U JPS58134035 U JP S58134035U JP 3119782 U JP3119782 U JP 3119782U JP 3119782 U JP3119782 U JP 3119782U JP S58134035 U JPS58134035 U JP S58134035U
- Authority
- JP
- Japan
- Prior art keywords
- earth leakage
- monitoring device
- voltage circuit
- leakage monitoring
- low voltage
- 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図は本考案に係る低圧回路の漏電監視装置の概略を
示すブロック回路図、第２図は他の実施例図を示すもの
である。
１・・・・・・電源変圧器、２・・・・・・低圧配線、
３・・・・・・負荷機器、４・・・・・・第２種接地線
、５・・・・・・零相変流器、６・・・・・・増巾器、
制御素子、整流器のいずれか、またにこれらを組合せた
回路、？、 ８． ９・・・・・・度数計。FIG. 1 is a block circuit diagram schematically showing an earth leakage monitoring device for a low voltage circuit according to the present invention, and FIG. 2 is a diagram showing another embodiment. 1...Power transformer, 2...Low voltage wiring,
3... Load equipment, 4... Class 2 grounding wire, 5... Zero-phase current transformer, 6... Amplifier,
A control element, a rectifier, or a circuit that combines these? , 8. 9... Frequency meter.
Claims (1)
零相変流器の出力を、増巾、制御素子、整流のいずれか
あるいはそれらを組合わせた回路を通してまたは直接に
、予め設定した１ないし複数段の基準値以上の電流を検
出して１ないし複数個の度数計を作動させて漏電の実態
を把握するようになしたことを特徴とする低圧回路の漏
電監視装置。The output of a zero-phase current transformer installed on the second-class grounding wire of a power transformer or low-voltage wiring is set in advance through an amplification, control element, rectification, or a combination of these circuits, or directly. 1. An earth leakage monitoring device for a low-voltage circuit, characterized in that it detects a current exceeding a reference value in one or more stages and operates one or more frequency meters to ascertain the actual state of earth leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3119782U JPS58134035U (en) | 1982-03-04 | 1982-03-04 | Low voltage circuit earth leakage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3119782U JPS58134035U (en) | 1982-03-04 | 1982-03-04 | Low voltage circuit earth leakage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58134035U true JPS58134035U (en) | 1983-09-09 |
Family
ID=30042881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3119782U Pending JPS58134035U (en) | 1982-03-04 | 1982-03-04 | Low voltage circuit earth leakage monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58134035U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS455799Y1 (en) * | 1966-08-31 | 1970-03-20 | ||
| JPS50104340A (en) * | 1974-01-25 | 1975-08-18 | ||
| JPS5340436B2 (en) * | 1974-08-27 | 1978-10-27 |
-
1982
- 1982-03-04 JP JP3119782U patent/JPS58134035U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS455799Y1 (en) * | 1966-08-31 | 1970-03-20 | ||
| JPS50104340A (en) * | 1974-01-25 | 1975-08-18 | ||
| JPS5340436B2 (en) * | 1974-08-27 | 1978-10-27 |
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