IT1057577B - Dispositivo interrutore di guasti verso terra - Google Patents

Dispositivo interrutore di guasti verso terra

Info

Publication number
IT1057577B
IT1057577B IT21183/76A IT2118376A IT1057577B IT 1057577 B IT1057577 B IT 1057577B IT 21183/76 A IT21183/76 A IT 21183/76A IT 2118376 A IT2118376 A IT 2118376A IT 1057577 B IT1057577 B IT 1057577B
Authority
IT
Italy
Prior art keywords
switch device
earth fault
fault switch
earth
switch
Prior art date
Application number
IT21183/76A
Other languages
English (en)
Italian (it)
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1057577B publication Critical patent/IT1057577B/it

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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/331—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers responsive to earthing of the neutral conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
IT21183/76A 1975-03-14 1976-03-12 Dispositivo interrutore di guasti verso terra IT1057577B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55861875A 1975-03-14 1975-03-14

Publications (1)

Publication Number Publication Date
IT1057577B true IT1057577B (it) 1982-03-30

Family

ID=24230266

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21183/76A IT1057577B (it) 1975-03-14 1976-03-12 Dispositivo interrutore di guasti verso terra

Country Status (6)

Country Link
JP (1) JPS51114650A (cs)
AU (1) AU501986B2 (cs)
CA (1) CA1065960A (cs)
GB (1) GB1531933A (cs)
IT (1) IT1057577B (cs)
ZA (1) ZA761086B (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524071A (en) * 1978-08-11 1980-02-20 Matsushita Electric Industrial Co Ltd Drainboard with tableware dryer
GB2077531B (en) * 1980-06-04 1983-06-08 Evans Jacob Donald Fault detection in n-phase system

Also Published As

Publication number Publication date
CA1065960A (en) 1979-11-06
GB1531933A (en) 1978-11-15
JPS51114650A (en) 1976-10-08
AU1144576A (en) 1977-09-01
AU501986B2 (en) 1979-07-12
ZA761086B (en) 1977-02-23
JPS5512815B2 (cs) 1980-04-04

Similar Documents

Publication Publication Date Title
IT1058421B (it) Dispositivo interruttore di gua tiverso terra
IT1055746B (it) Interruttore elettrico di guasto a terra
SE7807261L (sv) Anordning for komprener
AT349409B (de) Schlagvorrichtung
NO141726C (no) Jorddreneringsanordning.
IT1057576B (it) Interruttore bipolare di guasti verso terra
SE7603021L (sv) Spenningsskyddsanordning
SE418655B (sv) Triggningsanordning
SE7606967L (sv) Halvledaromkopplingsanordning
AT361979B (de) Weichenstellvorrichtung
BR7603308A (pt) Dispositivo comutador
NL7602011A (nl) Beschermingsschakelaar.
NL188920C (nl) Prioriteits-gestuurde schakelinrichting.
IT1057577B (it) Dispositivo interrutore di guasti verso terra
NL7614392A (nl) Schakelinrichting.
NO145169C (no) Anordning for befestigelse av doervrider.
SE7602353L (sv) Felstromsskyddsbrytare
FR2315760A1 (fr) Commutateur de protection
BE844790A (nl) Soupape de commande directionnelle actionnee par solenoide
SE407486B (sv) Linjeskyddsbrytare
NL7605928A (nl) Closetdoorspoelinrichting.
SE421092B (sv) Jordningsanordning
PL96600B1 (pl) Urzadzenie do kontroli zageszczania gruntu
BE837228A (fr) Dispositif de nettoyage de water-closet
IT7622306U1 (it) Dispositivo di scatto per commutatori rotativi.