JPS54113828A - Small current transformer - Google Patents

Small current transformer

Info

Publication number
JPS54113828A
JPS54113828A JP1988178A JP1988178A JPS54113828A JP S54113828 A JPS54113828 A JP S54113828A JP 1988178 A JP1988178 A JP 1988178A JP 1988178 A JP1988178 A JP 1988178A JP S54113828 A JPS54113828 A JP S54113828A
Authority
JP
Japan
Prior art keywords
magnetic field
electromagnet
spiral
current transformer
output voltage
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
JP1988178A
Other languages
Japanese (ja)
Inventor
Sukeyoshi Tanaka
Tetsuji Kobayashi
Kunihiko Matsui
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 JP1988178A priority Critical patent/JPS54113828A/en
Publication of JPS54113828A publication Critical patent/JPS54113828A/en
Pending legal-status Critical Current

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Landscapes

  • Transformers For Measuring Instruments (AREA)

Abstract

PURPOSE: To make a big Hall output voltage obtainable, by enabling a considerably intense magnetic field provided even at a light load, with a ferrite core located in a magnetic field produced by an insulated conductor wound in a spiral-shape.
CONSTITUTION: A load current IL is applied through an insulated wire 13, wound in a spiral-shape, of electromagnet, and the magnetic field, proportional to a level of the load current, is constructed in the electromagnet 12, which is applied to a Hall element 11 as the field. Accordingly, even at a light load, a considerably intense magnetic field comes to be provided thus with a big Hall output voltage obtainable.
COPYRIGHT: (C)1979,JPO&Japio
JP1988178A 1978-02-24 1978-02-24 Small current transformer Pending JPS54113828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988178A JPS54113828A (en) 1978-02-24 1978-02-24 Small current transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988178A JPS54113828A (en) 1978-02-24 1978-02-24 Small current transformer

Publications (1)

Publication Number Publication Date
JPS54113828A true JPS54113828A (en) 1979-09-05

Family

ID=12011545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988178A Pending JPS54113828A (en) 1978-02-24 1978-02-24 Small current transformer

Country Status (1)

Country Link
JP (1) JPS54113828A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60255288A (en) * 1984-05-30 1985-12-16 Dengensha Mfg Co Ltd Device for detecting whether electrification exists or not
JPH02138411U (en) * 1989-04-24 1990-11-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60255288A (en) * 1984-05-30 1985-12-16 Dengensha Mfg Co Ltd Device for detecting whether electrification exists or not
JPH02138411U (en) * 1989-04-24 1990-11-19

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