JPS62245976A - 電気機器異常検出装置 - Google Patents

電気機器異常検出装置

Info

Publication number
JPS62245976A
JPS62245976A JP8813686A JP8813686A JPS62245976A JP S62245976 A JPS62245976 A JP S62245976A JP 8813686 A JP8813686 A JP 8813686A JP 8813686 A JP8813686 A JP 8813686A JP S62245976 A JPS62245976 A JP S62245976A
Authority
JP
Japan
Prior art keywords
detection device
electrical equipment
partial discharge
abnormality detection
grounded metal
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
JP8813686A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0511863B2 (enrdf_load_stackoverflow
Inventor
Shoichi Hirokane
広兼　昇一
Kenji Kato
賢治 加藤
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8813686A priority Critical patent/JPS62245976A/ja
Publication of JPS62245976A publication Critical patent/JPS62245976A/ja
Publication of JPH0511863B2 publication Critical patent/JPH0511863B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Relating To Insulation (AREA)
JP8813686A 1986-04-18 1986-04-18 電気機器異常検出装置 Granted JPS62245976A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8813686A JPS62245976A (ja) 1986-04-18 1986-04-18 電気機器異常検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8813686A JPS62245976A (ja) 1986-04-18 1986-04-18 電気機器異常検出装置

Publications (2)

Publication Number Publication Date
JPS62245976A true JPS62245976A (ja) 1987-10-27
JPH0511863B2 JPH0511863B2 (enrdf_load_stackoverflow) 1993-02-16

Family

ID=13934513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8813686A Granted JPS62245976A (ja) 1986-04-18 1986-04-18 電気機器異常検出装置

Country Status (1)

Country Link
JP (1) JPS62245976A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0267971A (ja) * 1988-09-02 1990-03-07 Sumitomo Electric Ind Ltd 電力ケーブル又は電力ケーブル線路の部分放電検出方法
JPH02167484A (ja) * 1988-12-21 1990-06-27 Hitachi Cable Ltd 部分放電測定方法
JPH03279877A (ja) * 1990-03-29 1991-12-11 Hitachi Cable Ltd 部分放電測定方法
US5146170A (en) * 1989-06-14 1992-09-08 Hitachi, Ltd. Method and apparatus for locating an abnormality in a gas-insulated electric device
JP2010008199A (ja) * 2008-06-26 2010-01-14 Toshiba Corp 回転電機巻線の製造工程内絶縁試験方法及び回転電機巻線の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585259A (en) * 1978-12-22 1980-06-27 Hitachi Ltd Partial discharge detector for gas insulated electric appliance

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585259A (en) * 1978-12-22 1980-06-27 Hitachi Ltd Partial discharge detector for gas insulated electric appliance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0267971A (ja) * 1988-09-02 1990-03-07 Sumitomo Electric Ind Ltd 電力ケーブル又は電力ケーブル線路の部分放電検出方法
JPH02167484A (ja) * 1988-12-21 1990-06-27 Hitachi Cable Ltd 部分放電測定方法
US5146170A (en) * 1989-06-14 1992-09-08 Hitachi, Ltd. Method and apparatus for locating an abnormality in a gas-insulated electric device
JPH03279877A (ja) * 1990-03-29 1991-12-11 Hitachi Cable Ltd 部分放電測定方法
JP2010008199A (ja) * 2008-06-26 2010-01-14 Toshiba Corp 回転電機巻線の製造工程内絶縁試験方法及び回転電機巻線の製造方法

Also Published As

Publication number Publication date
JPH0511863B2 (enrdf_load_stackoverflow) 1993-02-16

Similar Documents

Publication Publication Date Title
US5469067A (en) Detecting partial discharge using a detection coil and analysis of output signal and noise frequency spectrums
US20070139056A1 (en) Partial discharge detection apparatus and detection method of electrical rotating machine
US6717395B2 (en) Current transformer based high voltage measurement apparatus
JPS6016163B2 (ja) ガス絶縁電気機器およびその部分放電検出方法
ZA200701428B (en) Partial discharge detection apparatus and detection method of electrical rotating machine
RU2762249C2 (ru) Способ и контрольное устройство для измерения импульсов частичного разряда экранированного кабеля
CN115362374B (zh) 超高带宽电流传感器
JPS62245976A (ja) 電気機器異常検出装置
US11686745B2 (en) Rogowski current sensor which is fast and immune to voltage drifts
WO1998016841A1 (en) A device for monitoring partial discharges in an electric high-voltage apparatus or high-voltage equipment
US12340994B2 (en) Measurement apparatus for alternating currents and voltages of physical plasmas, particularly of cold plasmas at atmospheric pressure, and plasma generator comprising such a measurement apparatus
US4438394A (en) Capacitively-coupled inductive sensor
GB1235705A (en) Apparatus for testing electrical insulation
JPH08124753A (ja) 電気機器ブッシング用シールドリング
JP2002221402A (ja) 静電容量ギャップセンサの測定装置及びその測定方法
JPS6114576A (ja) 交流電圧検出器
JP3126391B2 (ja) 部分放電検出器
JP3126392B2 (ja) ガス絶縁開閉装置の部分放電検出装置
JPH0690228B2 (ja) サージ電圧測定装置
JPH11202001A (ja) 電圧検出装置
JP2628738B2 (ja) 電力ケーブル試験装置
JPS63186512A (ja) 縮小形開閉装置の異常検出装置
SU1385092A1 (ru) Переменна мера активной проводимости
JPH0470568A (ja) サージ電圧センサ
JPH067150B2 (ja) 部分放電測定方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees