JPS5776817A - Gas insulation tap changing device under load - Google Patents

Gas insulation tap changing device under load

Info

Publication number
JPS5776817A
JPS5776817A JP15317680A JP15317680A JPS5776817A JP S5776817 A JPS5776817 A JP S5776817A JP 15317680 A JP15317680 A JP 15317680A JP 15317680 A JP15317680 A JP 15317680A JP S5776817 A JPS5776817 A JP S5776817A
Authority
JP
Japan
Prior art keywords
pressure
gas
transformer
room
insulation tube
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
JP15317680A
Other languages
Japanese (ja)
Other versions
JPH0156521B2 (en
Inventor
Kazuya Furukawa
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 JP15317680A priority Critical patent/JPS5776817A/en
Publication of JPS5776817A publication Critical patent/JPS5776817A/en
Publication of JPH0156521B2 publication Critical patent/JPH0156521B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

PURPOSE:To improve reliability for preventing gas leak by providing a vacuum switch in a sealed container filled with insulation gas to keep the inside of the container at atmospheric pressure at the lowest temperature predictable to prevent the internal negative pressure of the container. CONSTITUTION:A tap changer 3 and a insulation tube 4 which comprises a room, separate from the transformer body, connecting an upper case 2 and the tap changer 3, are provided in a transformer tank 1. A change-over switch with vacuum switch 6 is provided at the part that goes into the insulation tube 4, detachablly on the upper case 2. A pressure guage 17 is provided to check the internal pressure of the change-over switch room and the insulation tube 4. The transformer tank 1 is filled with SF6 gas and the switching room with the same gas as that of the transformer at the pressure equivalent to the atmospheric pressure at the lowest operating temperature.
JP15317680A 1980-10-30 1980-10-30 Gas insulation tap changing device under load Granted JPS5776817A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15317680A JPS5776817A (en) 1980-10-30 1980-10-30 Gas insulation tap changing device under load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15317680A JPS5776817A (en) 1980-10-30 1980-10-30 Gas insulation tap changing device under load

Publications (2)

Publication Number Publication Date
JPS5776817A true JPS5776817A (en) 1982-05-14
JPH0156521B2 JPH0156521B2 (en) 1989-11-30

Family

ID=15556707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15317680A Granted JPS5776817A (en) 1980-10-30 1980-10-30 Gas insulation tap changing device under load

Country Status (1)

Country Link
JP (1) JPS5776817A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014675A1 (en) * 1989-05-18 1990-11-29 Jung, Viktor Load-reversing switch for voltage regulating transformers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014675A1 (en) * 1989-05-18 1990-11-29 Jung, Viktor Load-reversing switch for voltage regulating transformers

Also Published As

Publication number Publication date
JPH0156521B2 (en) 1989-11-30

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