JPS54129333A - Alternating current direct current duplicating application - Google Patents

Alternating current direct current duplicating application

Info

Publication number
JPS54129333A
JPS54129333A JP3620478A JP3620478A JPS54129333A JP S54129333 A JPS54129333 A JP S54129333A JP 3620478 A JP3620478 A JP 3620478A JP 3620478 A JP3620478 A JP 3620478A JP S54129333 A JPS54129333 A JP S54129333A
Authority
JP
Japan
Prior art keywords
direct current
grounding
alternating current
power source
direct
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
JP3620478A
Other languages
Japanese (ja)
Other versions
JPS6055026B2 (en
Inventor
Tadaharu Nakayama
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP53036204A priority Critical patent/JPS6055026B2/en
Publication of JPS54129333A publication Critical patent/JPS54129333A/en
Publication of JPS6055026B2 publication Critical patent/JPS6055026B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To prevent a short circuit of a direct current power source and to duplicate a direct current to an alternating current without disconnecting a grounding all the times by providing a change over switch with lapping contacts connecting to ground with a direct grounding, a low resistance grounding and with a direct current power source between a neutral point of alternating current high voltage bus-bars and a ground.
CONSTITUTION: Between a neutral point of alternating current high voltage bus- bars and a ground, a change over switch 8 with lapping contacts changing over grounding terminals a - c by a direct grounding, a low resistance grounding 9 and with direct current power source 10 is provided. As terminals a - c can be changed over as lapping type by this change over switch 8, together with preventing a perfect short circuitting of a direct current power source 10 at a time of changing over, a neutral point is grounded to the earth directly or with a low rsistance always when an operation of changing over and even when a direct current voltage is applied duplicatingly with an alternating current voltage of bus-bars. Accordingly a direct current voltage can be duplicatingly applied to a directly grounded system safely and easily.
COPYRIGHT: (C)1979,JPO&Japio
JP53036204A 1978-03-29 1978-03-29 AC/DC superimposed application method Expired JPS6055026B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53036204A JPS6055026B2 (en) 1978-03-29 1978-03-29 AC/DC superimposed application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53036204A JPS6055026B2 (en) 1978-03-29 1978-03-29 AC/DC superimposed application method

Publications (2)

Publication Number Publication Date
JPS54129333A true JPS54129333A (en) 1979-10-06
JPS6055026B2 JPS6055026B2 (en) 1985-12-03

Family

ID=12463201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53036204A Expired JPS6055026B2 (en) 1978-03-29 1978-03-29 AC/DC superimposed application method

Country Status (1)

Country Link
JP (1) JPS6055026B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010011711A (en) * 2008-06-30 2010-01-14 Kawasaki Heavy Ind Ltd Microgrid using electric railroad system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0295125U (en) * 1989-01-13 1990-07-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010011711A (en) * 2008-06-30 2010-01-14 Kawasaki Heavy Ind Ltd Microgrid using electric railroad system

Also Published As

Publication number Publication date
JPS6055026B2 (en) 1985-12-03

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