JPS55132025A - Compensating current transformer - Google Patents

Compensating current transformer

Info

Publication number
JPS55132025A
JPS55132025A JP3861779A JP3861779A JPS55132025A JP S55132025 A JPS55132025 A JP S55132025A JP 3861779 A JP3861779 A JP 3861779A JP 3861779 A JP3861779 A JP 3861779A JP S55132025 A JPS55132025 A JP S55132025A
Authority
JP
Japan
Prior art keywords
iron
current transformer
core
windings
auxiliary
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
JP3861779A
Other languages
Japanese (ja)
Other versions
JPS6211486B2 (en
Inventor
Haruo Takahashi
Ryoji Gamo
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 JP3861779A priority Critical patent/JPS55132025A/en
Publication of JPS55132025A publication Critical patent/JPS55132025A/en
Publication of JPS6211486B2 publication Critical patent/JPS6211486B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers

Abstract

PURPOSE:To permit secondary induced-voltages of a current transformer to compensate to each other for reducing the error voltage by dividing the main iron-core, which constitutes a current transformer together with an auxiliary iron-core, into two, to which secondary windings having different number of turns and polarity from each other are installed being connected to each other in series. CONSTITUTION:An iron core, which consists of two main iron-cores 11a and 11b and an auxiliary iron-core 12, is equipped with a primary winding 13 common to the iron cores. The iron cores 11a, 11b, and 12, are equipped with secondary windings 14a, 14b, and an auxiliary winding 15 respectively. The windings 14a and 14b are connected in series, both ends of which being connected to both ends of a load impedance ZB via a feedback impedance ZF. Both ends of the winding 15 are connected to both ends of the impedance ZF. In this constitution, the windings 14a and 14b are made different from each other in the number of turns and polarity. Tnus, the secondary induced-voltages generated in the secondary windings are permitted to compensate to each other, so that a current transformer having a reduced error voltage can be obtained.
JP3861779A 1979-03-31 1979-03-31 Compensating current transformer Granted JPS55132025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3861779A JPS55132025A (en) 1979-03-31 1979-03-31 Compensating current transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3861779A JPS55132025A (en) 1979-03-31 1979-03-31 Compensating current transformer

Publications (2)

Publication Number Publication Date
JPS55132025A true JPS55132025A (en) 1980-10-14
JPS6211486B2 JPS6211486B2 (en) 1987-03-12

Family

ID=12530202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3861779A Granted JPS55132025A (en) 1979-03-31 1979-03-31 Compensating current transformer

Country Status (1)

Country Link
JP (1) JPS55132025A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110926U (en) * 1980-12-27 1982-07-09
JPS57110925U (en) * 1980-12-27 1982-07-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110926U (en) * 1980-12-27 1982-07-09
JPS57110925U (en) * 1980-12-27 1982-07-09
JPS6228738Y2 (en) * 1980-12-27 1987-07-23

Also Published As

Publication number Publication date
JPS6211486B2 (en) 1987-03-12

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