ATE60841T1 - Detektor fuer phasendifferenzfehler. - Google Patents

Detektor fuer phasendifferenzfehler.

Info

Publication number
ATE60841T1
ATE60841T1 AT86301801T AT86301801T ATE60841T1 AT E60841 T1 ATE60841 T1 AT E60841T1 AT 86301801 T AT86301801 T AT 86301801T AT 86301801 T AT86301801 T AT 86301801T AT E60841 T1 ATE60841 T1 AT E60841T1
Authority
AT
Austria
Prior art keywords
heater
phase difference
fault detector
signal
power supply
Prior art date
Application number
AT86301801T
Other languages
English (en)
Inventor
David C Bliven
Original Assignee
Raychem 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 Raychem Corp filed Critical Raychem Corp
Application granted granted Critical
Publication of ATE60841T1 publication Critical patent/ATE60841T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Control Of Resistance Heating (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT86301801T 1985-03-13 1986-03-13 Detektor fuer phasendifferenzfehler. ATE60841T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/711,710 US4667186A (en) 1985-03-13 1985-03-13 Phase difference fault detector
EP86301801A EP0200312B1 (de) 1985-03-13 1986-03-13 Detektor für Phasendifferenzfehler

Publications (1)

Publication Number Publication Date
ATE60841T1 true ATE60841T1 (de) 1991-02-15

Family

ID=24859203

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86301801T ATE60841T1 (de) 1985-03-13 1986-03-13 Detektor fuer phasendifferenzfehler.

Country Status (6)

Country Link
US (1) US4667186A (de)
EP (1) EP0200312B1 (de)
JP (1) JPS61246677A (de)
AT (1) ATE60841T1 (de)
CA (1) CA1244883A (de)
DE (1) DE3677406D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223822B (it) * 1988-09-14 1990-09-29 Marelli Autronica Circuito elettrico particolarmente circuito elettronico di potenza per impianti di iniezione di autoveicoli con funzione di rilevazione diagnostica del guasto e relativo procedimento
US5430606A (en) * 1990-02-09 1995-07-04 Takeda Chemical Industries, Ltd. Double layer capacitor with high capacitance carbonaceous material electrodes
AU647894B2 (en) * 1991-03-27 1994-03-31 Honeywell Inc. System powered power supply using dual transformer HVAC systems
FR2680875B1 (fr) * 1991-08-27 1995-05-05 Geneve Services Ind Procede pour identifier des charges consommatrices d'energie electrique d'un circuit sous surveillance.
US8094034B2 (en) 2007-09-18 2012-01-10 Georgia Tech Research Corporation Detecting actuation of electrical devices using electrical noise over a power line
US8930152B2 (en) 2009-09-25 2015-01-06 University Of Washington Whole structure contactless power consumption sensing
US9766277B2 (en) 2009-09-25 2017-09-19 Belkin International, Inc. Self-calibrating contactless power consumption sensing
CA3035892C (en) 2010-07-02 2021-06-29 Belkin International, Inc. Systems and methods for measuring electrical power usage in a structure and systems and methods of calibrating the same
US9291694B2 (en) 2010-07-02 2016-03-22 Belkin International, Inc. System and method for monitoring electrical power usage in an electrical power infrastructure of a building

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072265B (de) * 1959-12-31 Stockholm Axel Billström Elektronisches Anzeige- und Schutzrelais für elektrische Wechselstromanlagen
US2581196A (en) * 1948-10-14 1952-01-01 Gen Electric Electronic relay arrangement for protecting power systems
US2854631A (en) * 1956-05-22 1958-09-30 American Brake Shoe Co Metering systems
FR2203080B1 (de) * 1972-10-17 1977-08-26 Ice
US3893009A (en) * 1974-01-16 1975-07-01 Westinghouse Electric Corp Reverse power flow relay
SE385638B (sv) * 1974-09-19 1976-07-12 Asea Ab Anordning for att bestemma fasleget mellan minst tva signaler
SU650153A1 (ru) * 1977-10-05 1979-02-28 Специальное Конструкторское Бюро Систем Промышленной Автоматики Министерства Приборостроения Средств Автоматики И Систем Управления Устройство дл защиты электродвигател от аномальных режимов
US4321681A (en) * 1979-09-21 1982-03-23 Westinghouse Electric Corp. Protective relay apparatus
US4506259A (en) * 1981-11-24 1985-03-19 Raychem Corporation Digital fault monitor for conductive heaters

Also Published As

Publication number Publication date
EP0200312B1 (de) 1991-02-06
CA1244883A (en) 1988-11-15
DE3677406D1 (de) 1991-03-14
US4667186A (en) 1987-05-19
EP0200312A1 (de) 1986-11-05
JPS61246677A (ja) 1986-11-01

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Legal Events

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