KR850700073A - Current detection circuit - Google Patents

Current detection circuit

Info

Publication number
KR850700073A
KR850700073A KR1019850700005A KR850700005A KR850700073A KR 850700073 A KR850700073 A KR 850700073A KR 1019850700005 A KR1019850700005 A KR 1019850700005A KR 850700005 A KR850700005 A KR 850700005A KR 850700073 A KR850700073 A KR 850700073A
Authority
KR
South Korea
Prior art keywords
coil
current detection
detection circuit
current
tertiary
Prior art date
Application number
KR1019850700005A
Other languages
Korean (ko)
Inventor
마사요시 도다
Original Assignee
카다야마 히도하지로
미쓰비시전기 주식회사
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 카다야마 히도하지로, 미쓰비시전기 주식회사 filed Critical 카다야마 히도하지로
Priority claimed from PCT/JP1984/000439 external-priority patent/WO1985001355A1/en
Publication of KR850700073A publication Critical patent/KR850700073A/en

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  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

내용 없음No content

Description

전류 검출 회로Current detection circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명의 1실시예를 표시한 전기회로도 이다. 발명을 실시하기 위한 최선의 형태 제2도는 본발명에 관한 전류검출회로의 일예를 표시한 전기회로도 인데, 제1도와 동일한 것은 동일부호를 붙이고 그 설명은 생략한다.2 is an electric circuit diagram showing an embodiment of the present invention. Best Mode for Carrying Out the Invention FIG. 2 is an electric circuit diagram showing an example of the current detection circuit according to the present invention. The same reference numerals as those in FIG.

Claims (4)

1차코일, 2차코일 및 3차코일을 가지며, 상기 1차코일이 전류검출용의 한쌍의 입력단자에 접속된 변류기와, 이 변류기의 2차코일에 접속되어 귀환저항체로서 전류 · 전압 변환회로를 구성하는 연산증폭기를 갖추며, 상기 변류기의 3차코일은 그 양단을 전기적으로 폐로시킨 전류검출회로.A current transformer having a primary coil, a secondary coil, and a tertiary coil, wherein the primary coil is connected to a pair of input terminals for current detection; Comprising an operational amplifier constituting the current coil of the current transformer, the third coil of the current transformer is closed both ends thereof. 청구범위 제(1)항에 있어서, 2차코일과 3차코일은 동일재료의 코일을 병열로 하여 거의 동수로 권회한 것을 특징으로 하는 전류검출회로.The current detection circuit according to claim (1), wherein the secondary coil and the tertiary coil are wound in substantially equal numbers using coils of the same material in parallel. 청구범위 제(1)항에 있어서, 하나의 직렬코일의 양단 및 중간점에서 단자를 도출하고, 한쪽을 2차코일로, 다른쪽을 3차코일로 한 것을 특징으로 하는 전류검출회로.The current detection circuit according to claim (1), wherein a terminal is drawn at both ends and an intermediate point of one series coil, one of which is a secondary coil, and the other of which is a tertiary coil. 청구범위 제(1)항에 있어서, 2차 코일과 3차코일과는 저항온도계수가 서로 다른 재료로 만든 것을 특징으로 하는 전류 검출회로.The current detection circuit according to claim (1), wherein the secondary coil and the tertiary coil are made of materials having different resistance temperature coefficients. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850700005A 1983-09-13 1984-09-11 Current detection circuit KR850700073A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP???58-169701 1983-09-13
JP16970158 1983-09-13
PCT/JP1984/000439 WO1985001355A1 (en) 1983-09-13 1984-09-11 Current detecting circuit

Publications (1)

Publication Number Publication Date
KR850700073A true KR850700073A (en) 1985-10-21

Family

ID=69104132

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850700005A KR850700073A (en) 1983-09-13 1984-09-11 Current detection circuit

Country Status (1)

Country Link
KR (1) KR850700073A (en)

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Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E601 Decision to refuse application