JPH0583164B2 - - Google Patents

Info

Publication number
JPH0583164B2
JPH0583164B2 JP1061996A JP6199689A JPH0583164B2 JP H0583164 B2 JPH0583164 B2 JP H0583164B2 JP 1061996 A JP1061996 A JP 1061996A JP 6199689 A JP6199689 A JP 6199689A JP H0583164 B2 JPH0583164 B2 JP H0583164B2
Authority
JP
Japan
Prior art keywords
winding
current
iron core
zero
magnetic flux
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.)
Expired - Lifetime
Application number
JP1061996A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02240903A (ja
Inventor
Fumio Iwasaki
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.)
Midori Anzen Co Ltd
Original Assignee
Midori Anzen 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 Midori Anzen Co Ltd filed Critical Midori Anzen Co Ltd
Priority to JP1061996A priority Critical patent/JPH02240903A/ja
Publication of JPH02240903A publication Critical patent/JPH02240903A/ja
Publication of JPH0583164B2 publication Critical patent/JPH0583164B2/ja
Granted 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
    • H01F38/30—Constructions
    • H01F2038/305—Constructions with toroidal magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Transformers For Measuring Instruments (AREA)
JP1061996A 1989-03-14 1989-03-14 零相変流器の巻線方法 Granted JPH02240903A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1061996A JPH02240903A (ja) 1989-03-14 1989-03-14 零相変流器の巻線方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1061996A JPH02240903A (ja) 1989-03-14 1989-03-14 零相変流器の巻線方法

Publications (2)

Publication Number Publication Date
JPH02240903A JPH02240903A (ja) 1990-09-25
JPH0583164B2 true JPH0583164B2 (en]) 1993-11-25

Family

ID=13187326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1061996A Granted JPH02240903A (ja) 1989-03-14 1989-03-14 零相変流器の巻線方法

Country Status (1)

Country Link
JP (1) JPH02240903A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5557308B2 (ja) * 2009-03-26 2014-07-23 パナソニック株式会社 漏電検出装置、及び漏電検出装置のコイルの配置方法

Also Published As

Publication number Publication date
JPH02240903A (ja) 1990-09-25

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