JPS58196540U - Protection device for multiple electrical equipment - Google Patents
Protection device for multiple electrical equipmentInfo
- Publication number
- JPS58196540U JPS58196540U JP9355882U JP9355882U JPS58196540U JP S58196540 U JPS58196540 U JP S58196540U JP 9355882 U JP9355882 U JP 9355882U JP 9355882 U JP9355882 U JP 9355882U JP S58196540 U JPS58196540 U JP S58196540U
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- protection device
- current transformer
- current
- electrical equipment
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置における負荷の電気機器が単独の場合
の保護装置の構成を示すブロック図、第２図は従来装置
の複数個の電気機器の保護装置のブロック図、第３図は
本考案の一実施例を示すブロック図である。
１、 ＩＡ、 ＩＢ、・・・、 ＩＮ・・・電気
機器（たとえばコンデンサ）、２・・・過電流継電器、
３・・・変流器、４・・・遮断器、５・・・電源、Ｒ，
Ｓ、 Ｔ・・・電源側各相、Ｕ、 Ｖ、 Ｗ・・・電気
機器（負荷）側各相、Ｉ、、 Ｉ、・・・各電気機器を
流通する同相の電流。Fig. 1 is a block diagram showing the configuration of a protection device for a conventional device with a single load electrical device, Fig. 2 is a block diagram of a protection device for multiple electrical devices in a conventional device, and Fig. 3 is a block diagram of the protection device of the present invention. FIG. 2 is a block diagram showing one embodiment of the present invention. 1. IA, IB, ..., IN... Electrical equipment (e.g. capacitor), 2... Overcurrent relay,
3... Current transformer, 4... Breaker, 5... Power supply, R,
S, T...Each phase on the power supply side, U, V, W...Each phase on the electrical equipment (load) side, I...In-phase current flowing through each electrical equipment.
Claims (1)
電気機器への電流を遮断する遮断器と、各電気機器へ流
通する電流を検出する変流器と、その変流器の検出電流
値に応動して前記遮断器へ遮断動作を指令する過電流継
電器と、前記変流器と前記遮断器を経て前記電源へ接続
される複数個の電気機器を備えた装置において、前記複
数個の電気機器の負荷の各相ごとにあるいは各相を一括
して同一の前記変流器の一次導体として導入し、その変
流器の二次回路の電流検出値が最小になるように、前記
−次週体を相互に逆方向に接続し前記変流器を貫通させ
たことを特徴とする複数個の電気機器の保護装置。A power source that supplies power to each electrical device, a circuit breaker that cuts off the current from this power source to each electrical device, a current transformer that detects the current flowing to each electrical device, and a detected current of the current transformer. An overcurrent relay that instructs the circuit breaker to perform a circuit breaker operation in response to a value, and a plurality of electrical devices connected to the power source via the current transformer and the circuit breaker, wherein the plurality of electrical devices The - A protection device for a plurality of electrical equipment, characterized in that the bodies are connected in opposite directions to each other and the current transformer is passed through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9355882U JPS58196540U (en) | 1982-06-22 | 1982-06-22 | Protection device for multiple electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9355882U JPS58196540U (en) | 1982-06-22 | 1982-06-22 | Protection device for multiple electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58196540U true JPS58196540U (en) | 1983-12-27 |
Family
ID=30224443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9355882U Pending JPS58196540U (en) | 1982-06-22 | 1982-06-22 | Protection device for multiple electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58196540U (en) |
-
1982
- 1982-06-22 JP JP9355882U patent/JPS58196540U/en active Pending
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