JPS56162930A - Spark detector for rotary electric machine - Google Patents

Spark detector for rotary electric machine

Info

Publication number
JPS56162930A
JPS56162930A JP6590480A JP6590480A JPS56162930A JP S56162930 A JPS56162930 A JP S56162930A JP 6590480 A JP6590480 A JP 6590480A JP 6590480 A JP6590480 A JP 6590480A JP S56162930 A JPS56162930 A JP S56162930A
Authority
JP
Japan
Prior art keywords
electric machine
rotary electric
spark detector
spark
detector
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
JP6590480A
Other languages
Japanese (ja)
Inventor
Yoshihiro Michiguchi
Shigeru Ideumi
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 JP6590480A priority Critical patent/JPS56162930A/en
Publication of JPS56162930A publication Critical patent/JPS56162930A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing Relating To Insulation (AREA)
  • Motor Or Generator Current Collectors (AREA)
JP6590480A 1980-05-20 1980-05-20 Spark detector for rotary electric machine Pending JPS56162930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6590480A JPS56162930A (en) 1980-05-20 1980-05-20 Spark detector for rotary electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6590480A JPS56162930A (en) 1980-05-20 1980-05-20 Spark detector for rotary electric machine

Publications (1)

Publication Number Publication Date
JPS56162930A true JPS56162930A (en) 1981-12-15

Family

ID=13300408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6590480A Pending JPS56162930A (en) 1980-05-20 1980-05-20 Spark detector for rotary electric machine

Country Status (1)

Country Link
JP (1) JPS56162930A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619139A (en) * 1984-06-22 1986-01-16 Hitachi Ltd Spark monitor of current collector
JPS61170255A (en) * 1985-01-22 1986-07-31 Japanese National Railways<Jnr> Commutation spark detector
JP2013090425A (en) * 2011-10-18 2013-05-13 Hitachi Ltd Abnormal wear diagnostic system and rotary electric machine using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619139A (en) * 1984-06-22 1986-01-16 Hitachi Ltd Spark monitor of current collector
JPS61170255A (en) * 1985-01-22 1986-07-31 Japanese National Railways<Jnr> Commutation spark detector
JP2013090425A (en) * 2011-10-18 2013-05-13 Hitachi Ltd Abnormal wear diagnostic system and rotary electric machine using the same

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