JPH03195009A - 誤差補償形変流器装置 - Google Patents

誤差補償形変流器装置

Info

Publication number
JPH03195009A
JPH03195009A JP1335300A JP33530089A JPH03195009A JP H03195009 A JPH03195009 A JP H03195009A JP 1335300 A JP1335300 A JP 1335300A JP 33530089 A JP33530089 A JP 33530089A JP H03195009 A JPH03195009 A JP H03195009A
Authority
JP
Japan
Prior art keywords
operational amplifier
impedance
current transformer
current
circuit
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
JP1335300A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0584047B2 (enrdf_load_html_response
Inventor
Hideo Kitagawa
北川 英雄
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.)
Japan Electric Meters Inspection Corp JEMIC
Original Assignee
Japan Electric Meters Inspection Corp JEMIC
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 Japan Electric Meters Inspection Corp JEMIC filed Critical Japan Electric Meters Inspection Corp JEMIC
Priority to JP1335300A priority Critical patent/JPH03195009A/ja
Publication of JPH03195009A publication Critical patent/JPH03195009A/ja
Publication of JPH0584047B2 publication Critical patent/JPH0584047B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Transformers For Measuring Instruments (AREA)
JP1335300A 1989-12-25 1989-12-25 誤差補償形変流器装置 Granted JPH03195009A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1335300A JPH03195009A (ja) 1989-12-25 1989-12-25 誤差補償形変流器装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1335300A JPH03195009A (ja) 1989-12-25 1989-12-25 誤差補償形変流器装置

Publications (2)

Publication Number Publication Date
JPH03195009A true JPH03195009A (ja) 1991-08-26
JPH0584047B2 JPH0584047B2 (enrdf_load_html_response) 1993-11-30

Family

ID=18286980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1335300A Granted JPH03195009A (ja) 1989-12-25 1989-12-25 誤差補償形変流器装置

Country Status (1)

Country Link
JP (1) JPH03195009A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007018355A1 (en) * 2005-08-09 2007-02-15 G & G Consultant Fdi Error compensating method for instrument transformer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006237053A (ja) * 2005-02-22 2006-09-07 Nippon Denki Keiki Kenteisho 誤差補償型変流器装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007018355A1 (en) * 2005-08-09 2007-02-15 G & G Consultant Fdi Error compensating method for instrument transformer

Also Published As

Publication number Publication date
JPH0584047B2 (enrdf_load_html_response) 1993-11-30

Similar Documents

Publication Publication Date Title
EP2924450B1 (en) Current detecting device
US4278940A (en) Means for automatically compensating DC magnetization in a transformer
US4841236A (en) Current ratio device
JP4245236B2 (ja) 電流検出回路
JPH0829456A (ja) 補償原理に基づく電流センサ
US8102629B2 (en) Leakage current compensation for high voltage transformers
US6191575B1 (en) Device for measuring linear displacements
KR20020027491A (ko) 교류전류 검출장치
US4266190A (en) Dual core magnetic amplifier sensor
US20030071609A1 (en) Magnetic flux sensor and method
Slomovitz Electronic error reduction system for clamp-on probes and measuring current transformers
CN100565220C (zh) 补偿电流互感器二次电流幅值和相位误差的方法
JPS584804B2 (ja) 強磁性鉄心を有する直流交流両信号用変成器
RU2329514C1 (ru) Устройство для измерения переменного тока
JPH03195009A (ja) 誤差補償形変流器装置
US3430142A (en) Direct current measurement apparatus
JPH02122609A (ja) 誤差補償形変流器装置
EP0278635B1 (en) Negative feedback power supply apparatus
KR102039270B1 (ko) 지락 전류 감지 회로
HU190346B (en) Electric current measuring circuit arrangement
EP0309254B1 (en) Apparatus and process for deriving an AC voltage from a DC voltage including detecting direct current magnetic flux deflections of an electrical transformer
Beard Siniglee-Staagee Amnplifierr-Aideed Current Transformers Possessing Small Ratio Errors at 60 Hz
EP0067153B1 (en) Dual core magnetic amplifier sensor
JPH03115870A (ja) 電流センサ
JPS6212646B2 (enrdf_load_html_response)

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081130

Year of fee payment: 15

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091130

Year of fee payment: 16

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101130

Year of fee payment: 17

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101130

Year of fee payment: 17