PH20495A - Wireless emergency power interrupting system - Google Patents

Wireless emergency power interrupting system

Info

Publication number
PH20495A
PH20495A PH21857A PH21857A PH20495A PH 20495 A PH20495 A PH 20495A PH 21857 A PH21857 A PH 21857A PH 21857 A PH21857 A PH 21857A PH 20495 A PH20495 A PH 20495A
Authority
PH
Philippines
Prior art keywords
emergency power
wireless emergency
power interrupting
interrupting system
wireless
Prior art date
Application number
PH21857A
Inventor
Joseph C Engel
Michael A Tonko
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
Publication of PH20495A publication Critical patent/PH20495A/en

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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • H02H3/334—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 with means to produce an artificial unbalance for other protection or monitoring reasons or remote control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
PH21857A 1977-12-09 1978-11-28 Wireless emergency power interrupting system PH20495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85899077A 1977-12-09 1977-12-09

Publications (1)

Publication Number Publication Date
PH20495A true PH20495A (en) 1987-01-21

Family

ID=25329694

Family Applications (1)

Application Number Title Priority Date Filing Date
PH21857A PH20495A (en) 1977-12-09 1978-11-28 Wireless emergency power interrupting system

Country Status (11)

Country Link
JP (2) JPS5487833A (en)
AU (1) AU533221B2 (en)
BE (1) BE872643A (en)
BR (1) BR7807900A (en)
CA (1) CA1127747A (en)
ES (1) ES475803A1 (en)
FR (1) FR2411497A1 (en)
GB (1) GB2010496B (en)
IT (1) IT1107373B (en)
PH (1) PH20495A (en)
ZA (1) ZA786652B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586137B1 (en) * 1985-08-06 1987-12-11 Merlin Gerin REMOTE OPENING OF A DIFFERENTIAL PROTECTION DEVICE, IN PARTICULAR OF A DIFFERENTIAL CONNECTION CIRCUIT BREAKER
EP0215969A1 (en) * 1985-09-21 1987-04-01 MOTORI ELETTRICI ROTOS S.p.A A ciruit arrangement for sensing, transmitting, and processing information of the occurrence of a variation in a parameter of AC electric equipment to be monitored
IL97694A0 (en) * 1991-03-27 1992-06-21 Amit Electronics & Engineering Device and method for gfci time response and ground test
US5396505A (en) * 1993-07-06 1995-03-07 Tandem Computers Incorporated Programmable error-checking matrix for digital communication system
ES2233185B1 (en) * 2003-07-18 2006-02-16 Emilio Haba Armero DEVICE FOR VERIFYING DIFFERENTIAL SWITCHES IN A LOW VOLTAGE INSTALLATION.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT308225B (en) * 1968-11-15 1973-06-25 Felten & Guilleaume Schaltanl Protective circuit for portable consumer devices connected to earthed networks
GB1337806A (en) * 1971-07-07 1973-11-21 Mcmillan R D Socket testers
JPS562311Y2 (en) * 1972-02-24 1981-01-19
JPS5018071B2 (en) * 1972-03-28 1975-06-26
US3898557A (en) * 1973-11-12 1975-08-05 Daltec Systems Inc Electrical device for testing a ground fault circuit interrupter

Also Published As

Publication number Publication date
ES475803A1 (en) 1979-12-01
JPS6145696Y2 (en) 1986-12-23
JPS57175542U (en) 1982-11-06
ZA786652B (en) 1979-11-28
IT1107373B (en) 1985-11-25
BE872643A (en) 1979-06-08
AU533221B2 (en) 1983-11-10
GB2010496B (en) 1982-03-24
CA1127747A (en) 1982-07-13
AU4221978A (en) 1979-06-14
BR7807900A (en) 1979-07-31
JPS5487833A (en) 1979-07-12
GB2010496A (en) 1979-06-27
FR2411497A1 (en) 1979-07-06
IT7841680A0 (en) 1978-12-07

Similar Documents

Publication Publication Date Title
GB2011563B (en) Brake power assistance
JPS5378034A (en) Power system
YU202882A (en) Power transmitting system
JPS5498944A (en) Powerrfailureefree power unit
JPS5563949A (en) Braking power controller
GB1548557A (en) Metal-bydrogen secondary battery system
JPS5482199A (en) Safety system
JPS53141872A (en) Hydraulic power system
GB2008299B (en) Power control system
GB2002974B (en) Direct current power transmission system
GB2010496B (en) Wireless emergency power interrupting system
GB2010495B (en) Wireless emergency power interrupting system for multibranch circuits
GB2002600B (en) Power conversion unit
DE2861563D1 (en) Power transmission system
JPS54149060A (en) Cooling system
JPS5313164A (en) Power breaker
JPS53100541A (en) Power steering system
GB2054128B (en) Power generating system
JPS53106470A (en) Power gas breaker
JPS5394846A (en) Interrupting system
JPS5419187A (en) Pushbutton system
JPS5393375A (en) Power breaker
GB2006949B (en) Power stations
JPS54122998A (en) Safety system
JPS53123549A (en) Emergency purifier