JPS52102550A - Grounding detection system - Google Patents

Grounding detection system

Info

Publication number
JPS52102550A
JPS52102550A JP1962376A JP1962376A JPS52102550A JP S52102550 A JPS52102550 A JP S52102550A JP 1962376 A JP1962376 A JP 1962376A JP 1962376 A JP1962376 A JP 1962376A JP S52102550 A JPS52102550 A JP S52102550A
Authority
JP
Japan
Prior art keywords
detection system
grounding
grounding detection
line grounding
produced
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.)
Granted
Application number
JP1962376A
Other languages
Japanese (ja)
Other versions
JPS5526665B2 (en
Inventor
Masanori Kanda
Jiro Fujii
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1962376A priority Critical patent/JPS52102550A/en
Publication of JPS52102550A publication Critical patent/JPS52102550A/en
Publication of JPS5526665B2 publication Critical patent/JPS5526665B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)

Abstract

PURPOSE: In a system where synchronous machine is started with low frequency by static frequency converter, to detect one line grounding in the system easily and reliably by discriminating high frequency voltage produced in grounding circuit during starting from that produced during one line grounding.
COPYRIGHT: (C)1977,JPO&Japio
JP1962376A 1976-02-25 1976-02-25 Grounding detection system Granted JPS52102550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1962376A JPS52102550A (en) 1976-02-25 1976-02-25 Grounding detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1962376A JPS52102550A (en) 1976-02-25 1976-02-25 Grounding detection system

Publications (2)

Publication Number Publication Date
JPS52102550A true JPS52102550A (en) 1977-08-27
JPS5526665B2 JPS5526665B2 (en) 1980-07-15

Family

ID=12004308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1962376A Granted JPS52102550A (en) 1976-02-25 1976-02-25 Grounding detection system

Country Status (1)

Country Link
JP (1) JPS52102550A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181385U (en) * 1986-05-06 1987-11-17

Also Published As

Publication number Publication date
JPS5526665B2 (en) 1980-07-15

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