JPH0350931U - - Google Patents

Info

Publication number
JPH0350931U
JPH0350931U JP11064889U JP11064889U JPH0350931U JP H0350931 U JPH0350931 U JP H0350931U JP 11064889 U JP11064889 U JP 11064889U JP 11064889 U JP11064889 U JP 11064889U JP H0350931 U JPH0350931 U JP H0350931U
Authority
JP
Japan
Prior art keywords
circuit
current
degaussing
current transformer
protection 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
Application number
JP11064889U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11064889U priority Critical patent/JPH0350931U/ja
Publication of JPH0350931U publication Critical patent/JPH0350931U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Transformers For Measuring Instruments (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例による保護回路装
置を示す構成図、第２図は従来の保護回路装置を
示す構成図である。 図において、１は負荷、２はケーブル、３，４
は変流器、５は保護継電器、６は電流信号零の伝
送線、７は消磁回路、８，９は消磁用カツプラで
ある。なお、図中、同一符号は同一、又は相当部
分を示す。 FIG. 1 is a block diagram showing a protection circuit device according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional protection circuit device. In the figure, 1 is the load, 2 is the cable, 3, 4
5 is a current transformer, 5 is a protective relay, 6 is a transmission line with a zero current signal, 7 is a degaussing circuit, and 8 and 9 are degaussing couplers. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流回路の電流を検出する変流器、この変流器
の２次回路に接続された保護継電器を備えた保護
回路装置において、上記交流回路に電流が流れな
くなつたとき上記変流器の２次回路に消磁用の高
周波電力を与える消磁回路を設けたことを特徴と
する保護回路装置。 In a protection circuit device that includes a current transformer that detects current in an AC circuit and a protective relay connected to the secondary circuit of this current transformer, when current no longer flows in the AC circuit, two of the current transformers A protection circuit device characterized in that a degaussing circuit is provided for applying high-frequency power for degaussing to a next circuit.
JP11064889U 1989-09-20 1989-09-20 Pending JPH0350931U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11064889U JPH0350931U (en) 1989-09-20 1989-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11064889U JPH0350931U (en) 1989-09-20 1989-09-20

Publications (1)

Publication Number Publication Date
JPH0350931U true JPH0350931U (en) 1991-05-17

Family

ID=31659173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11064889U Pending JPH0350931U (en) 1989-09-20 1989-09-20

Country Status (1)

Country Link
JP (1) JPH0350931U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007002975A (en) * 2005-06-27 2007-01-11 Jidosha Denki Kogyo Co Ltd Motor with double-reduction gear mechanism
JP2008044681A (en) * 2006-08-10 2008-02-28 Toshiba Elevator Co Ltd Control device of elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007002975A (en) * 2005-06-27 2007-01-11 Jidosha Denki Kogyo Co Ltd Motor with double-reduction gear mechanism
JP2008044681A (en) * 2006-08-10 2008-02-28 Toshiba Elevator Co Ltd Control device of elevator

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