JPS58165058A - 絶縁式電流検出器 - Google Patents

絶縁式電流検出器

Info

Publication number
JPS58165058A
JPS58165058A JP57046917A JP4691782A JPS58165058A JP S58165058 A JPS58165058 A JP S58165058A JP 57046917 A JP57046917 A JP 57046917A JP 4691782 A JP4691782 A JP 4691782A JP S58165058 A JPS58165058 A JP S58165058A
Authority
JP
Japan
Prior art keywords
current
winding
transformer
region
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.)
Granted
Application number
JP57046917A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0429025B2 (enrdf_load_stackoverflow
Inventor
Mitsuhiko Matsuda
松田　光彦
Sadao Ogura
小倉　貞夫
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP57046917A priority Critical patent/JPS58165058A/ja
Publication of JPS58165058A publication Critical patent/JPS58165058A/ja
Publication of JPH0429025B2 publication Critical patent/JPH0429025B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP57046917A 1982-03-24 1982-03-24 絶縁式電流検出器 Granted JPS58165058A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57046917A JPS58165058A (ja) 1982-03-24 1982-03-24 絶縁式電流検出器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57046917A JPS58165058A (ja) 1982-03-24 1982-03-24 絶縁式電流検出器

Publications (2)

Publication Number Publication Date
JPS58165058A true JPS58165058A (ja) 1983-09-30
JPH0429025B2 JPH0429025B2 (enrdf_load_stackoverflow) 1992-05-15

Family

ID=12760685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57046917A Granted JPS58165058A (ja) 1982-03-24 1982-03-24 絶縁式電流検出器

Country Status (1)

Country Link
JP (1) JPS58165058A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61170661A (ja) * 1985-01-24 1986-08-01 Mitsui Petrochem Ind Ltd 電流検出装置
FR2585841A1 (fr) * 1985-07-31 1987-02-06 Valeo Dispositif de mesure d'un courant continu
JPS62124703A (ja) * 1985-11-25 1987-06-06 Mitsui Petrochem Ind Ltd 電流センサ
JPS6446657A (en) * 1987-08-17 1989-02-21 Nihon System Research Inst Inc Current measurement system
JP2009144360A (ja) * 2007-12-12 2009-07-02 Hiroshi Onodera チューリップ形開閉式バケット
JP2013148439A (ja) * 2012-01-19 2013-08-01 Hirose Electric Co Ltd 電流センサ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127270A (en) * 1976-04-16 1977-10-25 Hitachi Ltd Battery ammeter for motor vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127270A (en) * 1976-04-16 1977-10-25 Hitachi Ltd Battery ammeter for motor vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61170661A (ja) * 1985-01-24 1986-08-01 Mitsui Petrochem Ind Ltd 電流検出装置
FR2585841A1 (fr) * 1985-07-31 1987-02-06 Valeo Dispositif de mesure d'un courant continu
JPS62124703A (ja) * 1985-11-25 1987-06-06 Mitsui Petrochem Ind Ltd 電流センサ
JPS6446657A (en) * 1987-08-17 1989-02-21 Nihon System Research Inst Inc Current measurement system
JP2009144360A (ja) * 2007-12-12 2009-07-02 Hiroshi Onodera チューリップ形開閉式バケット
JP2013148439A (ja) * 2012-01-19 2013-08-01 Hirose Electric Co Ltd 電流センサ

Also Published As

Publication number Publication date
JPH0429025B2 (enrdf_load_stackoverflow) 1992-05-15

Similar Documents

Publication Publication Date Title
US4616174A (en) Detector circuit for current measurements
US5811965A (en) DC and AC current sensor having a minor-loop operated current transformer
US4255704A (en) Zero crossing detection and electronic compensation of D. C. saturation magnetization in current transformers used in watthour meter installations
US3443226A (en) Rebalance voltage measuring apparatus employing an a.c. potentiometer
JPH0460555B2 (enrdf_load_stackoverflow)
US11300591B2 (en) Contactless current measurement
CN105548644A (zh) 一种双线并绕的罗氏线圈及信号处理方法
JPS58165058A (ja) 絶縁式電流検出器
US3732463A (en) Ground fault detection and interruption apparatus
US3500195A (en) Current transductor having instantaneous response
GB1488262A (en) Measuring direct current
US2729781A (en) Electromagnetic transformer
EP0490880B1 (en) Negative feedback power supply apparatus
JPH0798337A (ja) 電流検出器
US3973185A (en) Circuit for monitoring the inductance of an inductive load to indicate occurrence of a fault
JPH11337591A (ja) 直流電流検出装置
US3284710A (en) A.c. or pulsating d.c. input signal current measuring transformer system with transformer output ratios corresponding to the input signal
SU1762248A1 (ru) Измерительный преобразователь переменного тока
JPH0532886B2 (enrdf_load_stackoverflow)
SU1026100A2 (ru) Измеритель электродвижущей силы Холла
JPH037071B2 (enrdf_load_stackoverflow)
JPH04296664A (ja) 直流／交流電気量測定装置
SU1615816A1 (ru) Измерительный преобразователь синусоидального напр жени
SU372508A1 (ru) УСТРОЙСТВО дл ИЗМЕРЕНИЯ ЧАСТОТЫ
SU1553911A1 (ru) Трансформаторный мост дл измерени взаимной индуктивности