GB1527963A - Electrical protection apparatus - Google Patents

Electrical protection apparatus

Info

Publication number
GB1527963A
GB1527963A GB10635/77A GB1063577A GB1527963A GB 1527963 A GB1527963 A GB 1527963A GB 10635/77 A GB10635/77 A GB 10635/77A GB 1063577 A GB1063577 A GB 1063577A GB 1527963 A GB1527963 A GB 1527963A
Authority
GB
United Kingdom
Prior art keywords
signal
protection apparatus
input signal
standardized
march
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
GB10635/77A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1527963A publication Critical patent/GB1527963A/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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means
    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Relay Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB10635/77A 1976-03-12 1977-03-14 Electrical protection apparatus Expired GB1527963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762611015 DE2611015B2 (de) 1976-03-12 1976-03-12 Elektronisches ueberstromrelais

Publications (1)

Publication Number Publication Date
GB1527963A true GB1527963A (en) 1978-10-11

Family

ID=5972605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10635/77A Expired GB1527963A (en) 1976-03-12 1977-03-14 Electrical protection apparatus

Country Status (8)

Country Link
JP (1) JPS52111646A (enrdf_load_html_response)
BE (1) BE852316A (enrdf_load_html_response)
CH (1) CH604403A5 (enrdf_load_html_response)
DE (1) DE2611015B2 (enrdf_load_html_response)
FR (1) FR2344161A1 (enrdf_load_html_response)
GB (1) GB1527963A (enrdf_load_html_response)
NO (1) NO770880L (enrdf_load_html_response)
SE (1) SE7702716L (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1128668B (it) * 1980-07-29 1986-06-04 Bruno Basini Indicatore elettronico della corrente assorbita espressa in valore percentuale rispetto ad un limite prefissato superando il quale si attiva un allarme acustico
JPS59103533U (ja) * 1982-12-27 1984-07-12 オムロン株式会社 過電流継電器
US4876622A (en) * 1988-08-03 1989-10-24 General Electric Company Circuit breaker warning relay and control accessory

Also Published As

Publication number Publication date
DE2611015B2 (de) 1977-12-29
CH604403A5 (enrdf_load_html_response) 1978-09-15
FR2344161A1 (fr) 1977-10-07
DE2611015A1 (de) 1977-09-15
BE852316A (fr) 1977-07-01
SE7702716L (sv) 1977-09-13
JPS52111646A (en) 1977-09-19
NO770880L (no) 1977-09-13

Similar Documents

Publication Publication Date Title
DE3261595D1 (en) Multi-pole circuit breaker with an interchangeable thermal-magnetic trip unit
ES8302963A1 (es) "disyuntor de baja tension".
ES468764A1 (es) Ÿnueva proteccion electrica con tiempo de retardo dependien-te de una magnitud reguladaŸ
EP0279689A3 (en) Circuit interrupter apparatus with a style saving override circuit
MY105724A (en) Method and apparatus for monitoring an ac transmission line.
DE2966653D1 (en) Circuit breaker having an electronic fault sensing and trip initiating unit
DE2966978D1 (en) Circuit breaker having an electronic fault sensing and trip initiating unit
GB1527963A (en) Electrical protection apparatus
AU512451B2 (en) Circuit breaker having bgh rating shunt trip
GB1452616A (en) Phase comparison relaying apparatus with two-count by-pass circuit
ES8103469A1 (es) Rele de sobreintensidad estatico instantaneo
GB1527964A (en) Electrical protection apparatus
GB1164615A (en) Improvements in Electrical Measuring Systems
GB1269037A (en) Circuit breaker selectivity system
JPS5587961A (en) System for identifying fault point of power transmission line
GB982772A (en) Improvements in or relating to electric calibrating apparatus
JPS52150537A (en) Step-out detector
JPS5495196A (en) Protective circuit of superconductive coil
GB1129469A (en) Improvements in dividing circuit particularly adapted for measuring pressure relationships
JPS531845A (en) Digital protective relay
JPS56160611A (en) Analog quantity indicator
CH610680A5 (en) Line protection circuit breaker having an electromagnetic trip device
JPS5383049A (en) Digital protective relay
JPS5461655A (en) Indicating line length compensator for indicating line protective relaying equipment
ES461051A2 (es) Por aparato de disparo capacitativo para la medicion de ve- locidad de vehiculos.

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee