JPH0218009B2 - - Google Patents

Info

Publication number
JPH0218009B2
JPH0218009B2 JP59180153A JP18015384A JPH0218009B2 JP H0218009 B2 JPH0218009 B2 JP H0218009B2 JP 59180153 A JP59180153 A JP 59180153A JP 18015384 A JP18015384 A JP 18015384A JP H0218009 B2 JPH0218009 B2 JP H0218009B2
Authority
JP
Japan
Prior art keywords
line
signal
voltage
low
grounding
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
JP59180153A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6158422A (ja
Inventor
Tatsuji Matsuno
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.)
Toyo Communication Equipment Co Ltd
Original Assignee
Toyo Communication Equipment 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 Toyo Communication Equipment Co Ltd filed Critical Toyo Communication Equipment Co Ltd
Priority to JP59180153A priority Critical patent/JPS6158422A/ja
Publication of JPS6158422A publication Critical patent/JPS6158422A/ja
Publication of JPH0218009B2 publication Critical patent/JPH0218009B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP59180153A 1984-08-29 1984-08-29 監視信号伝送装置 Granted JPS6158422A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59180153A JPS6158422A (ja) 1984-08-29 1984-08-29 監視信号伝送装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59180153A JPS6158422A (ja) 1984-08-29 1984-08-29 監視信号伝送装置

Publications (2)

Publication Number Publication Date
JPS6158422A JPS6158422A (ja) 1986-03-25
JPH0218009B2 true JPH0218009B2 (enrdf_load_stackoverflow) 1990-04-24

Family

ID=16078321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59180153A Granted JPS6158422A (ja) 1984-08-29 1984-08-29 監視信号伝送装置

Country Status (1)

Country Link
JP (1) JPS6158422A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6158422A (ja) 1986-03-25

Similar Documents

Publication Publication Date Title
US4695788A (en) Open fault location system for photovoltaic module strings
US4480251A (en) Apparatus to monitor electrical cables, including splice joints and the like, for the ingress of moisture
EP0165803A2 (en) A system and an apparatus for locating a grounding fault on electric power equipment
AU2006219731B2 (en) Method and apparatus for monitoring the earth loop impedance of an electrical installation
US4080642A (en) Power system safety monitor
JPH0218009B2 (enrdf_load_stackoverflow)
US7791354B2 (en) Impedance monitoring system and method
JPS60176415A (ja) 警報信号伝送方法
JP3098716U (ja) 警報信号伝送方式
CA2054512C (en) Ground integrity monitor
KR100518252B1 (ko) 전력선통신을 이용한 비접지 배전선로의 고장구간 인지시스템 및 방법
JPH05308306A (ja) 電路に印加された搬送信号の受信方法及び受信装置
JPS6171370A (ja) 漏電警報装置
JPS631982A (ja) 絶縁監視装置
JPS61112525A (ja) 漏電警報装置
JP2979226B2 (ja) 負荷設備等の絶縁抵抗測定方法
JPH0418634B2 (enrdf_load_stackoverflow)
JP2543699B2 (ja) 対地インピ―ダンスを補償した警報信号伝送方法
JPH0535389B2 (enrdf_load_stackoverflow)
JPS61116940A (ja) 監視信号受信装置
JPS62107645A (ja) 監視信号の伝送方法
JPS6212878A (ja) 一点接地系システムの地絡、短絡監視方式
JPH076535Y2 (ja) 終端回路を付加した注入トランス
JP2750716B2 (ja) 低圧配線等の絶縁抵抗測定方法
JPS61112538A (ja) 監視信号の伝送装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term