GB2116792B - Protection of electrical power supply systems - Google Patents

Protection of electrical power supply systems

Info

Publication number
GB2116792B
GB2116792B GB08304424A GB8304424A GB2116792B GB 2116792 B GB2116792 B GB 2116792B GB 08304424 A GB08304424 A GB 08304424A GB 8304424 A GB8304424 A GB 8304424A GB 2116792 B GB2116792 B GB 2116792B
Authority
GB
United Kingdom
Prior art keywords
protection
power supply
electrical power
supply systems
systems
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
GB08304424A
Other versions
GB8304424D0 (en
GB2116792A (en
Inventor
Allan Thomas Johns
Michael Anthony Martin
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB08304424A priority Critical patent/GB2116792B/en
Publication of GB8304424D0 publication Critical patent/GB8304424D0/en
Publication of GB2116792A publication Critical patent/GB2116792A/en
Application granted granted Critical
Publication of GB2116792B publication Critical patent/GB2116792B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
GB08304424A 1982-03-03 1983-02-17 Protection of electrical power supply systems Expired GB2116792B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08304424A GB2116792B (en) 1982-03-03 1983-02-17 Protection of electrical power supply systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8206253 1982-03-03
GB08304424A GB2116792B (en) 1982-03-03 1983-02-17 Protection of electrical power supply systems

Publications (3)

Publication Number Publication Date
GB8304424D0 GB8304424D0 (en) 1983-03-23
GB2116792A GB2116792A (en) 1983-09-28
GB2116792B true GB2116792B (en) 1985-07-31

Family

ID=26282156

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08304424A Expired GB2116792B (en) 1982-03-03 1983-02-17 Protection of electrical power supply systems

Country Status (1)

Country Link
GB (1) GB2116792B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709532A1 (en) * 1987-03-23 1988-10-06 Siemens Ag METHOD FOR TESTING ARRANGEMENTS
JP3322996B2 (en) * 1994-07-01 2002-09-09 東京電力株式会社 Protection relay method
GB2429301B (en) * 2005-08-19 2007-08-01 Megger Ltd Testing loop impedence in an RCCB electrical test circuit
CN106556742A (en) * 2015-09-30 2017-04-05 中国科学院物理研究所 For the apparatus and method of impulsive impedance measurement

Also Published As

Publication number Publication date
GB8304424D0 (en) 1983-03-23
GB2116792A (en) 1983-09-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000217