JPS634148B2 - - Google Patents

Info

Publication number
JPS634148B2
JPS634148B2 JP7629280A JP7629280A JPS634148B2 JP S634148 B2 JPS634148 B2 JP S634148B2 JP 7629280 A JP7629280 A JP 7629280A JP 7629280 A JP7629280 A JP 7629280A JP S634148 B2 JPS634148 B2 JP S634148B2
Authority
JP
Japan
Prior art keywords
gate
integrator
distribution line
antenna
high 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.)
Expired
Application number
JP7629280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS573058A (en
Inventor
Chuji Okamura
Tadakatsu Watanabe
Koji Ito
Yukio Fujiwara
Masao Kaneko
Hirotoshi Nagata
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
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc, Mitsubishi Electric Corp filed Critical Tokyo Electric Power Co Inc
Priority to JP7629280A priority Critical patent/JPS573058A/ja
Publication of JPS573058A publication Critical patent/JPS573058A/ja
Publication of JPS634148B2 publication Critical patent/JPS634148B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
JP7629280A 1980-06-06 1980-06-06 Radio receiver Granted JPS573058A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7629280A JPS573058A (en) 1980-06-06 1980-06-06 Radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7629280A JPS573058A (en) 1980-06-06 1980-06-06 Radio receiver

Publications (2)

Publication Number Publication Date
JPS573058A JPS573058A (en) 1982-01-08
JPS634148B2 true JPS634148B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-01-27

Family

ID=13601258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7629280A Granted JPS573058A (en) 1980-06-06 1980-06-06 Radio receiver

Country Status (1)

Country Link
JP (1) JPS573058A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS573058A (en) 1982-01-08

Similar Documents

Publication Publication Date Title
Mohanty et al. A cumulative sum-based fault detector for power system relaying application
US8918296B2 (en) Method for detecting single phase grounding fault based on harmonic component of residual current
US6417791B1 (en) Delta filter with an adaptive time window for protective relays
McLaren et al. Fourier-series techniques applied to distance protection
US11050239B2 (en) Method and control system for fault direction detection
de Lima Vianna et al. Time-domain distance protection of transmission lines based on the conic section general equation
US4866393A (en) Method of diagnosing the deterioration of a zinc oxide type lightning arrester utilizing vector synthesis
US4994742A (en) Hall effect device and magnetic coil circuits for magnetic field detection
US11276997B2 (en) Integration and compensation for a protection relay
US4080641A (en) Ground fault detector
JPS634148B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS637623B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
Belčević et al. Algorithm for phasor estimation during current transformer saturation and/or DC component presence: definition and application in arc detection on overhead lines
JP2003232826A (ja) 漏電検出装置
JPH0210388B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0427505B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH06109799A (ja) 部分放電検出装置
JP3089723B2 (ja) 部分放電検出装置
JP2511324Y2 (ja) 電気機器の内部部分放電検出装置
JPH05281285A (ja) 雑音除去回路
Laycock et al. Filtering applications in static distance relays
Jiang et al. Real‐Time Tracking of Fault Development and Faulty Feeder Identification Method for Resonant Grounding System Based on Transient Information During Arc Suppression
JP2660334B2 (ja) 電気機器の漏電検出回路
JP3254963B2 (ja) 部分放電測定システムにおける外部ノイズの除去方法
JPH03209177A (ja) 絶縁抵抗測定方法