JPS57120324A - Single phase transformer - Google Patents

Single phase transformer

Info

Publication number
JPS57120324A
JPS57120324A JP56004624A JP462481A JPS57120324A JP S57120324 A JPS57120324 A JP S57120324A JP 56004624 A JP56004624 A JP 56004624A JP 462481 A JP462481 A JP 462481A JP S57120324 A JPS57120324 A JP S57120324A
Authority
JP
Japan
Prior art keywords
transformers
transformer
single phase
parallel
phase transformer
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
JP56004624A
Other languages
Japanese (ja)
Inventor
Tsuneji Teranishi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56004624A priority Critical patent/JPS57120324A/en
Publication of JPS57120324A publication Critical patent/JPS57120324A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/32—Circuit arrangements

Landscapes

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

Abstract

PURPOSE:To detect an accident of a single phase transformer having a plurality of unit transformers connected in parallel with each other and to enable the identification of any of a plurality of unit transformers by mounting a bushing type current transformer at the position before the line terminal lead wire of at least one transformer is connected in parallel when the single phase transformer is composed of a plurality of unit transformers. CONSTITUTION:Unit transformers 11, 21, 31 of the same rated specification are employed, high voltage coils 21, 22, 23 and low voltage coils 32, 33, 34 are connected in parallel with each other to form a single phase transformer. Then, bushing type current transformers 41, 42, 43 are inserted at the position before the lead wires led from the coils 21, 22, 23 of the respective transformers 11, 12, 13 are connected in parallel. At this time the current transformers are not all provided, but one may be provided. In this manner, the currents flowing through the coils 21, 22, 23 are measured. When the currents are normal, and current values should be equal. The grounding accident can be identified by the variation in the current values, and the transformer caused by the accident can also be discriminated.
JP56004624A 1981-01-17 1981-01-17 Single phase transformer Pending JPS57120324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56004624A JPS57120324A (en) 1981-01-17 1981-01-17 Single phase transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56004624A JPS57120324A (en) 1981-01-17 1981-01-17 Single phase transformer

Publications (1)

Publication Number Publication Date
JPS57120324A true JPS57120324A (en) 1982-07-27

Family

ID=11589197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56004624A Pending JPS57120324A (en) 1981-01-17 1981-01-17 Single phase transformer

Country Status (1)

Country Link
JP (1) JPS57120324A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100659287B1 (en) 2005-06-01 2006-12-20 한국과학기술원 Interdigitated transmission line transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100659287B1 (en) 2005-06-01 2006-12-20 한국과학기술원 Interdigitated transmission line transformer

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