JPS5975614A - 交流モータの端子電圧検出用変圧器 - Google Patents

交流モータの端子電圧検出用変圧器

Info

Publication number
JPS5975614A
JPS5975614A JP57186113A JP18611382A JPS5975614A JP S5975614 A JPS5975614 A JP S5975614A JP 57186113 A JP57186113 A JP 57186113A JP 18611382 A JP18611382 A JP 18611382A JP S5975614 A JPS5975614 A JP S5975614A
Authority
JP
Japan
Prior art keywords
transformer
terminal voltage
voltage detection
motor terminal
compensation 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
JP57186113A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0328804B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hidenori Takahashi
秀紀 高橋
Eiji Watanabe
英司 渡辺
Tsugutoshi Otani
大谷　継利
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 true JPS5975614A (ja) 1984-04-28
JPH0328804B2 JPH0328804B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61174611A (ja) * 1985-01-29 1986-08-06 Yokogawa Electric Corp 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-07-25 1988-02-13
JPS63277978A (ja) * 1987-03-19 1988-11-15 Ryowa Denshi Kk 高周波電流測定方法
CN109932578A (zh) * 2017-12-15 2019-06-25 广州西门子变压器有限公司 对一个待测变压器进行温升试验的方法和装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332060U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-08-25 1978-03-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332060U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1976-08-25 1978-03-20

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61174611A (ja) * 1985-01-29 1986-08-06 Yokogawa Electric Corp 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-07-25 1988-02-13
JPS63277978A (ja) * 1987-03-19 1988-11-15 Ryowa Denshi Kk 高周波電流測定方法
CN109932578A (zh) * 2017-12-15 2019-06-25 广州西门子变压器有限公司 对一个待测变压器进行温升试验的方法和装置
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

Also Published As

Publication number Publication date
JPH0328804B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-22

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