JPS56161627A - Transformer for instrument - Google Patents

Transformer for instrument

Info

Publication number
JPS56161627A
JPS56161627A JP6496180A JP6496180A JPS56161627A JP S56161627 A JPS56161627 A JP S56161627A JP 6496180 A JP6496180 A JP 6496180A JP 6496180 A JP6496180 A JP 6496180A JP S56161627 A JPS56161627 A JP S56161627A
Authority
JP
Japan
Prior art keywords
main
circuit
core
winding
voltage differential
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
JP6496180A
Other languages
Japanese (ja)
Inventor
Fumiyasu Katsube
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.)
Nissin Electric Co Ltd
Original Assignee
Nissin 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 Nissin Electric Co Ltd filed Critical Nissin Electric Co Ltd
Priority to JP6496180A priority Critical patent/JPS56161627A/en
Publication of JPS56161627A publication Critical patent/JPS56161627A/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
    • H01F38/24—Voltage transformers

Abstract

PURPOSE:To remove the mutual interference generated between the main and secondary circuits by a method wherein the independent transformer for instruments, using a rod-type core and a closed magnetic circuit core respectively, is assembled in a common container. CONSTITUTION:A closed magnetic circuit type core is used for a main core 12 because the main secondary circuit has a large burden and requires a high accuracy, and a main primary winding 13 and a main secondary winding 14 are formed. A rod type core is used for a subcore 15 because a subsecondary circuit has a small burden and a low accuracy is all right for its output, and the primary and the secondary windings 16 and 17 are performed. According to this constitution, the main core and the subcore can be formed into a suitable structure in accordance with the purpose of use and the main primary winding and the subprimary winding are formed independently. Therefore, even when a short-circuit occurred on a secondary circuit, the other secondary output voltage is almost in normal state, there exists sufficiently large voltage differential on the main and subsecondary output and the voltage differential is accurately detected by a voltage differential relay and the like, thereby enabling to sufficiently improve the trouble discriminating capability as well as to miniaturize the machine.
JP6496180A 1980-05-15 1980-05-15 Transformer for instrument Pending JPS56161627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6496180A JPS56161627A (en) 1980-05-15 1980-05-15 Transformer for instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6496180A JPS56161627A (en) 1980-05-15 1980-05-15 Transformer for instrument

Publications (1)

Publication Number Publication Date
JPS56161627A true JPS56161627A (en) 1981-12-12

Family

ID=13273140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6496180A Pending JPS56161627A (en) 1980-05-15 1980-05-15 Transformer for instrument

Country Status (1)

Country Link
JP (1) JPS56161627A (en)

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