JPS5297776A - Tramcar circuit line insulation testing apparatus - Google Patents

Tramcar circuit line insulation testing apparatus

Info

Publication number
JPS5297776A
JPS5297776A JP2160077A JP2160077A JPS5297776A JP S5297776 A JPS5297776 A JP S5297776A JP 2160077 A JP2160077 A JP 2160077A JP 2160077 A JP2160077 A JP 2160077A JP S5297776 A JPS5297776 A JP S5297776A
Authority
JP
Japan
Prior art keywords
tramcar
testing apparatus
circuits
circuit line
line insulation
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
JP2160077A
Other languages
Japanese (ja)
Inventor
Atsushi Nakamura
Hideaki Sasaki
Kenji Takei
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 JP2160077A priority Critical patent/JPS5297776A/en
Publication of JPS5297776A publication Critical patent/JPS5297776A/en
Pending legal-status Critical Current

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  • Testing Relating To Insulation (AREA)

Abstract

PURPOSE: Measurement time is considerably reduced by carrying out the operation of measuring the insulation resistance between circuits obtained by shortcircuiting one circuit selected out of all circuits of tramcar circuits and all the remaining circuits excluding said circuit, concerning all the circuits.
COPYRIGHT: (C)1977,JPO&Japio
JP2160077A 1977-03-02 1977-03-02 Tramcar circuit line insulation testing apparatus Pending JPS5297776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2160077A JPS5297776A (en) 1977-03-02 1977-03-02 Tramcar circuit line insulation testing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2160077A JPS5297776A (en) 1977-03-02 1977-03-02 Tramcar circuit line insulation testing apparatus

Publications (1)

Publication Number Publication Date
JPS5297776A true JPS5297776A (en) 1977-08-16

Family

ID=12059521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2160077A Pending JPS5297776A (en) 1977-03-02 1977-03-02 Tramcar circuit line insulation testing apparatus

Country Status (1)

Country Link
JP (1) JPS5297776A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32054E (en) * 1977-09-13 1985-12-24 Sentralinstitutt For Industriell Forskning Arrangement for concentrating sea waves
JPH01184475A (en) * 1988-01-18 1989-07-24 Mitsubishi Heavy Ind Ltd Insulation testing device for refrigerating machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32054E (en) * 1977-09-13 1985-12-24 Sentralinstitutt For Industriell Forskning Arrangement for concentrating sea waves
JPH01184475A (en) * 1988-01-18 1989-07-24 Mitsubishi Heavy Ind Ltd Insulation testing device for refrigerating machine

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