JPH0424931B2 - - Google Patents

Info

Publication number
JPH0424931B2
JPH0424931B2 JP59098773A JP9877384A JPH0424931B2 JP H0424931 B2 JPH0424931 B2 JP H0424931B2 JP 59098773 A JP59098773 A JP 59098773A JP 9877384 A JP9877384 A JP 9877384A JP H0424931 B2 JPH0424931 B2 JP H0424931B2
Authority
JP
Japan
Prior art keywords
current transformer
current
circuit breaker
power receiving
ring
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.)
Expired - Lifetime
Application number
JP59098773A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60245421A (ja
Inventor
Akio Saruta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9877384A priority Critical patent/JPS60245421A/ja
Publication of JPS60245421A publication Critical patent/JPS60245421A/ja
Publication of JPH0424931B2 publication Critical patent/JPH0424931B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP9877384A 1984-05-18 1984-05-18 過電流保護装置 Granted JPS60245421A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9877384A JPS60245421A (ja) 1984-05-18 1984-05-18 過電流保護装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9877384A JPS60245421A (ja) 1984-05-18 1984-05-18 過電流保護装置

Publications (2)

Publication Number Publication Date
JPS60245421A JPS60245421A (ja) 1985-12-05
JPH0424931B2 true JPH0424931B2 (th) 1992-04-28

Family

ID=14228694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9877384A Granted JPS60245421A (ja) 1984-05-18 1984-05-18 過電流保護装置

Country Status (1)

Country Link
JP (1) JPS60245421A (th)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780138U (th) * 1980-10-31 1982-05-18

Also Published As

Publication number Publication date
JPS60245421A (ja) 1985-12-05

Similar Documents

Publication Publication Date Title
US4899246A (en) Solid-state trip device comprising a zero sequence current detection circuit
FI66096B (fi) Elektrisk fullskyddskoppling
JPS60255012A (ja) 保護継電器
US7149066B2 (en) Fault detector for two line power distribution system and protection apparatus incorporating the same
US4156884A (en) Ground fault protection system for industrial power circuits
GB1355827A (en) Electrical power distribution system
US3558981A (en) Ground relay system for multiple substation protection
GB1254515A (en) Ground fault circuit interrupters
US5774320A (en) Modular current transformer for electronic circuit interrupters
US4513340A (en) Power transmission line protective apparatus
JP3725468B2 (ja) 多重直接接地系統における地絡継電システム
US3780348A (en) Self-controlled differential sectionaliser for the protection of low voltage electric power consumers
Kojovic Rogowski coil performance characteristics for advanced relay protection
JPS60245421A (ja) 過電流保護装置
JPH01128510A (ja) 変流器
JPH033451B2 (th)
JPH08182220A (ja) 過電流保護継電装置
JP3591240B2 (ja) 配電線の保護装置
KR101927847B1 (ko) 지지애자 일체형 변성기
US2515784A (en) Bus bar protection system with current polarized directional current relay
JP3011496B2 (ja) 回線選択保護継電装置
JPH1169607A (ja) 地絡保護システム
JPH07236226A (ja) 地絡保護装置
JPH08317550A (ja) スポットネットワーク受電装置
Apostolov et al. Intelligent reclosing for overdutied breakers