[go: up one dir, main page]

GB2097942B - Short circuit current protection - Google Patents

Short circuit current protection

Info

Publication number
GB2097942B
GB2097942B GB8212988A GB8212988A GB2097942B GB 2097942 B GB2097942 B GB 2097942B GB 8212988 A GB8212988 A GB 8212988A GB 8212988 A GB8212988 A GB 8212988A GB 2097942 B GB2097942 B GB 2097942B
Authority
GB
United Kingdom
Prior art keywords
short circuit
circuit current
current protection
protection
short
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
GB8212988A
Other versions
GB2097942A (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.)
Dorman Smith Switchgear Ltd
Original Assignee
Dorman Smith Switchgear 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 Dorman Smith Switchgear Ltd filed Critical Dorman Smith Switchgear Ltd
Priority to GB8212988A priority Critical patent/GB2097942B/en
Publication of GB2097942A publication Critical patent/GB2097942A/en
Application granted granted Critical
Publication of GB2097942B publication Critical patent/GB2097942B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB8212988A 1981-05-06 1982-05-05 Short circuit current protection Expired GB2097942B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8212988A GB2097942B (en) 1981-05-06 1982-05-05 Short circuit current protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8113814 1981-05-06
GB8212988A GB2097942B (en) 1981-05-06 1982-05-05 Short circuit current protection

Publications (2)

Publication Number Publication Date
GB2097942A GB2097942A (en) 1982-11-10
GB2097942B true GB2097942B (en) 1985-02-06

Family

ID=26279345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8212988A Expired GB2097942B (en) 1981-05-06 1982-05-05 Short circuit current protection

Country Status (1)

Country Link
GB (1) GB2097942B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589073A (en) * 1982-05-05 1986-05-13 Dorman Smith Switchgear Limited Apparatus for determining prospective short circuit current
GB9416122D0 (en) * 1994-08-10 1994-09-28 Jekyll Electric Technology Ltd Loop testers
US10884068B2 (en) * 2017-10-30 2021-01-05 Eaton Intelligent Power Limited Method and apparatus for measuring prospective short circuit current

Also Published As

Publication number Publication date
GB2097942A (en) 1982-11-10

Similar Documents

Publication Publication Date Title
GB2097590B (en) Circuit breaker
DE3268213D1 (en) Circuit breaker
GB2119935B (en) Short circuit current protection
HK82585A (en) Circuit breaker
DE3266893D1 (en) Electrical circuit protector
GB2097942B (en) Short circuit current protection
EP0061097A3 (en) Circuit breaker
JPS57130325A (en) Circuit breaker
JPS57134834A (en) Circuit breaker
JPS57143228A (en) Circuit breaker
JPS57130329A (en) Circuit breaker
JPS57130326A (en) Circuit breaker
JPS57123620A (en) Circuit breaker
DE3278958D1 (en) Circuit breaker
PL234162A1 (en) Current circuit
JPS57208028A (en) Current limiting circuit breaker
JPS57126026A (en) Circuit breaker
JPS57130323A (en) Circuit breaker
JPS57126028A (en) Circuit breaker
JPS57126027A (en) Circuit breaker
JPS57126030A (en) Circuit breaker
JPS57126025A (en) Circuit breaker
JPS57126031A (en) Circuit breaker
JPS57130320A (en) Circuit breaker
JPS57130321A (en) Circuit breaker

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee