GB2055518B - Detecting faults in power systems - Google Patents

Detecting faults in power systems

Info

Publication number
GB2055518B
GB2055518B GB7926782A GB7926782A GB2055518B GB 2055518 B GB2055518 B GB 2055518B GB 7926782 A GB7926782 A GB 7926782A GB 7926782 A GB7926782 A GB 7926782A GB 2055518 B GB2055518 B GB 2055518B
Authority
GB
United Kingdom
Prior art keywords
power systems
detecting faults
faults
detecting
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
GB7926782A
Other versions
GB2055518A (en
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to GB7926782A priority Critical patent/GB2055518B/en
Publication of GB2055518A publication Critical patent/GB2055518A/en
Application granted granted Critical
Publication of GB2055518B publication Critical patent/GB2055518B/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
GB7926782A 1979-08-01 1979-08-01 Detecting faults in power systems Expired GB2055518B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7926782A GB2055518B (en) 1979-08-01 1979-08-01 Detecting faults in power systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7926782A GB2055518B (en) 1979-08-01 1979-08-01 Detecting faults in power systems

Publications (2)

Publication Number Publication Date
GB2055518A GB2055518A (en) 1981-03-04
GB2055518B true GB2055518B (en) 1982-11-10

Family

ID=10506922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7926782A Expired GB2055518B (en) 1979-08-01 1979-08-01 Detecting faults in power systems

Country Status (1)

Country Link
GB (1) GB2055518B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441138B (en) * 1984-02-01 1985-09-09 Asea Ab DIGITAL IMPEDANCE RELEASE

Also Published As

Publication number Publication date
GB2055518A (en) 1981-03-04

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990731