JPH0328804B2 - - Google Patents

Info

Publication number
JPH0328804B2
JPH0328804B2 JP57186113A JP18611382A JPH0328804B2 JP H0328804 B2 JPH0328804 B2 JP H0328804B2 JP 57186113 A JP57186113 A JP 57186113A JP 18611382 A JP18611382 A JP 18611382A JP H0328804 B2 JPH0328804 B2 JP H0328804B2
Authority
JP
Japan
Prior art keywords
transformer
transfer function
time constant
compensation circuit
series compensation
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.)
Expired - Lifetime
Application number
JP57186113A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5975614A (ja
Inventor
Hidenori Takahashi
Eiji Watanabe
Tsugutoshi Ootani
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.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Manufacturing 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 Yaskawa Electric Manufacturing Co Ltd filed Critical Yaskawa Electric Manufacturing Co Ltd
Priority to JP57186113A priority Critical patent/JPS5975614A/ja
Publication of JPS5975614A publication Critical patent/JPS5975614A/ja
Publication of JPH0328804B2 publication Critical patent/JPH0328804B2/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
    • H01F27/425—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for voltage transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Transformers For Measuring Instruments (AREA)
JP57186113A 1982-10-25 1982-10-25 交流モータの端子電圧検出用変圧器 Granted JPS5975614A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57186113A JPS5975614A (ja) 1982-10-25 1982-10-25 交流モータの端子電圧検出用変圧器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57186113A JPS5975614A (ja) 1982-10-25 1982-10-25 交流モータの端子電圧検出用変圧器

Publications (2)

Publication Number Publication Date
JPS5975614A JPS5975614A (ja) 1984-04-28
JPH0328804B2 true JPH0328804B2 (en]) 1991-04-22

Family

ID=16182584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57186113A Granted JPS5975614A (ja) 1982-10-25 1982-10-25 交流モータの端子電圧検出用変圧器

Country Status (1)

Country Link
JP (1) JPS5975614A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0685381B2 (ja) * 1985-01-29 1994-10-26 横河電機株式会社 変流器
JPS62233092A (ja) * 1986-04-02 1987-10-13 Yaskawa Electric Mfg Co Ltd 交流電動機における検出用変圧器の低周波特性補償回路
JPS62267670A (ja) * 1986-05-15 1987-11-20 Fuji Electric Co Ltd 電流検出回路
JPS6321865U (en]) * 1986-07-25 1988-02-13
JPH0660913B2 (ja) * 1987-03-19 1994-08-10 凌和電子株式会社 高周波電流測定方法
CN109932578B (zh) * 2017-12-15 2024-04-02 广州西门子能源变压器有限公司 对一个待测变压器进行温升试验的方法和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548446Y2 (en]) * 1976-08-25 1980-11-12

Also Published As

Publication number Publication date
JPS5975614A (ja) 1984-04-28

Similar Documents

Publication Publication Date Title
US11525848B2 (en) Current detecting circuit of power converter
US5345169A (en) Current measuring device
JPH0328804B2 (en])
US4286211A (en) Direct current detecting device using saturable reactors
JPS59124114A (ja) 直流大電流変成装置
JPH02112210A (ja) 電子誘導子
US3430142A (en) Direct current measurement apparatus
JP2690647B2 (ja) 誤差補償型変圧器
US20240396420A1 (en) Power converter
SU1721524A1 (ru) Преобразователь тока нулевой последовательности в напр жение
SU1714745A1 (ru) Способ вы влени асинхронного режима электропередачи с промежуточным отбором мощности
SU907533A1 (ru) Магнитоэлектронный преобразователь напр жени
JPS5821040Y2 (ja) ブラシレスレゾルバ
JPH0754987Y2 (ja) 計器用変圧器
JPS61174611A (ja) 変流器
SU1246015A1 (ru) Магнитоэлектронный преобразователь ток-напр жение
JPS63188915A (ja) 誤差補償形変流器
JPS6031319Y2 (ja) 電源装置
SU1739393A1 (ru) Четырехзажимна трансформаторна мера комплексного сопротивлени
SU1170584A1 (ru) Усилитель с гальваническим разделением
SU949516A1 (ru) Трансформаторный мост дл измерени комплексных сопротивлений
GB2045952A (en) Current transforming circuits
JPS6226992Y2 (en])
JPS6212862B2 (en])
SU1640656A1 (ru) Трансформаторна мера полного сопротивлени