JPS6248452B2 - - Google Patents

Info

Publication number: JPS6248452B2
Authority: JP; Japan
Prior art keywords: phase; ground; ground voltage; ground fault; input
Prior art date: 1980-02-29
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

Application number

JP2472880A

Other languages

English (en)

Japanese (ja)

Other versions

JPS56121329A (en

Inventor

Masaomi Nagae

Takeshi Takemura

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.)

Fuji Electric Co Ltd

Fuji Facom Corp

Tokyo Electric Power Co Holdings Inc

Original Assignee

Tokyo Electric Power Co Inc

Fuji Electric Co Ltd

Fuji Facom Corp

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.)

1980-02-29

Filing date

1980-02-29

Publication date

1987-10-14

1980-02-29 Application filed by Tokyo Electric Power Co Inc, Fuji Electric Co Ltd, Fuji Facom Corp filed Critical Tokyo Electric Power Co Inc

1980-02-29 Priority to JP2472880A priority Critical patent/JPS56121329A/ja

1981-09-24 Publication of JPS56121329A publication Critical patent/JPS56121329A/ja

1987-10-14 Publication of JPS6248452B2 publication Critical patent/JPS6248452B2/ja

Status Granted legal-status Critical Current

Links

238000000034 method Methods 0.000 claims description 4
238000012850 discrimination method Methods 0.000 claims description 3
238000010586 diagram Methods 0.000 description 8
229910001219 R-phase Inorganic materials 0.000 description 4
230000007935 neutral effect Effects 0.000 description 4
230000035945 sensitivity Effects 0.000 description 3
238000001514 detection method Methods 0.000 description 2
239000003990 capacitor Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000011896 sensitive detection Methods 0.000 description 1

Landscapes

Emergency Protection Circuit Devices (AREA)

JP2472880A 1980-02-29 1980-02-29 Grounddfault phase discriminating system Granted JPS56121329A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2472880A JPS56121329A (en)	1980-02-29	1980-02-29	Grounddfault phase discriminating system

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2472880A JPS56121329A (en)	1980-02-29	1980-02-29	Grounddfault phase discriminating system

Publications (2)

Publication Number	Publication Date
JPS56121329A JPS56121329A (en)	1981-09-24
JPS6248452B2 true JPS6248452B2 (de)	1987-10-14

Family

ID=12146207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2472880A Granted JPS56121329A (en)	1980-02-29	1980-02-29	Grounddfault phase discriminating system

Country Status (1)

Country	Link
JP (1)	JPS56121329A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6483730A (en) *	1987-09-25	1989-03-29	Matsushita Electric Ind Co Ltd	Hot-water supply equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3546396B2 (ja) *	1995-08-22	2004-07-28	日本高圧電気株式会社	高圧配電系統における地絡判別装置

1980
- 1980-02-29 JP JP2472880A patent/JPS56121329A/ja active Granted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6483730A (en) *	1987-09-25	1989-03-29	Matsushita Electric Ind Co Ltd	Hot-water supply equipment

Also Published As

Publication number	Publication date
JPS56121329A (en)	1981-09-24

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