IT1002944B - Rivelatore di sequenza di fasi e di perdita di potenza - Google Patents

Rivelatore di sequenza di fasi e di perdita di potenza

Info

Publication number
IT1002944B
IT1002944B IT4838374A IT4838374A IT1002944B IT 1002944 B IT1002944 B IT 1002944B IT 4838374 A IT4838374 A IT 4838374A IT 4838374 A IT4838374 A IT 4838374A IT 1002944 B IT1002944 B IT 1002944B
Authority
IT
Italy
Prior art keywords
power loss
phase sequence
loss detector
detector
sequence
Prior art date
Application number
IT4838374A
Other languages
English (en)
Original Assignee
Eaton 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 Eaton Corp filed Critical Eaton Corp
Application granted granted Critical
Publication of IT1002944B publication Critical patent/IT1002944B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18—Indicating phase sequence; Indicating synchronism
IT4838374A 1973-02-15 1974-02-14 Rivelatore di sequenza di fasi e di perdita di potenza IT1002944B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33285573 US3825768A (en) 1973-02-15 1973-02-15 Phase sequence and power loss detector

Publications (1)

Publication Number Publication Date
IT1002944B true IT1002944B (it) 1976-05-20

Family

ID=23300141

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4838374A IT1002944B (it) 1973-02-15 1974-02-14 Rivelatore di sequenza di fasi e di perdita di potenza

Country Status (6)

Country Link
US (1) US3825768A (it)
BR (1) BR7401081D0 (it)
CA (1) CA996997A (it)
DE (1) DE2407326A1 (it)
FR (1) FR2217701B1 (it)
IT (1) IT1002944B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008417A (en) * 1974-07-29 1977-02-15 General Equipment And Manufacturing Company, Inc. Phase loss detector
US3976919A (en) * 1975-06-04 1976-08-24 Borg-Warner Corporation Phase sequence detector for three-phase AC power system
GB1547360A (en) * 1975-12-01 1979-06-13 Gen Electric Co Ltd Apparatus for indicating the sequence of alternating current signals
US4021704A (en) * 1976-02-27 1977-05-03 Borg-Warner Corporation Phase sequence correcting system for three-phase AC power
JPS52155320A (en) * 1976-06-18 1977-12-23 Hitachi Ltd Thyristor failure detector for power converter
DE2845538C2 (de) * 1978-10-19 1985-08-08 Brown, Boveri & Cie Ag, 6800 Mannheim Detektorschaltung zur Überwachung der Phasenfolge in den drei Leitungen eines Drehstromnetzes
DE3117284A1 (de) * 1981-04-30 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur ueberwachung eines symmetrischen dreiphasen-wechselstromes
DE3211815C2 (de) * 1982-03-31 1984-06-28 Frako Kondensatoren- Und Apparatebau Gmbh, 7835 Teningen Schaltungsanordnung zur Überwachung der Phasenfolge eines Drehstromnetzes
US4600962A (en) * 1983-02-03 1986-07-15 Sentec Inc. Apparatus for monitoring and protecting a device against a plurality of fault conditions
DE3313629A1 (de) * 1983-04-12 1984-10-18 Schleicher Gmbh & Co Relais-Werke Kg, 1000 Berlin Schaltungsanordnung zur ueberwachung der phasenfolge und des phasenausfalls eines dreiphasenwechselstroms
US4461986A (en) * 1983-04-20 1984-07-24 Westinghouse Electric Corp. Motor control apparatus with phase related detector
JPS6046728A (ja) * 1983-08-24 1985-03-13 ダイキン工業株式会社 欠相・反相保護装置
US4724503A (en) * 1985-03-01 1988-02-09 Square D Company Phase unbalance detector
JPS6270631U (it) * 1985-10-22 1987-05-06
US4804922A (en) * 1985-11-01 1989-02-14 Energy Support Corporation Voltage sensor
BR9004756A (pt) * 1989-09-25 1991-09-10 Gen Electric Medidor de eletricidade digital eletronico,metodo de medicao de energia reativa,metodo de compensacao para erros de voltagem de deslocamento,metodo de deteccao de perda de qualquer uma das voltagens de fase e geracao de um sinal de falha de forca,dispositivo de deterccao de fornecimento de forca,metodo de escalonamento de sinais de corrente de entrada,metodo para autoverificacao de circuitos e elementos e metodo para fornecimento de um sinal de base de tempo
US5059896A (en) * 1989-09-25 1991-10-22 General Electric Company Electronic watthour meter
US5184063A (en) * 1992-02-13 1993-02-02 Carrier Corporation Three phase reversal detection system
FI93998C (fi) * 1992-06-22 1995-06-26 Sekko Ab Oy Menetelmä ja laite kiertosuunnan mittaamiseen
KR100393317B1 (ko) * 1994-02-15 2003-10-23 람버스 인코포레이티드 지연동기루프
US5796565A (en) * 1996-12-02 1998-08-18 Verkhovskiy; Yan Apparatus and method for starting and protecting a three-phase motor
EP1884787A1 (en) * 2006-07-10 2008-02-06 S. THIIM ApS A current sensor for measuring electric current in a conductor and a short circuit indicator system comprising such a sensor
US7633185B2 (en) * 2006-11-09 2009-12-15 Eaton Corporation Apparatus for interfacing a three phase power supply to a load
CN102664568B (zh) * 2012-04-23 2014-12-24 库顿电子科技(上海)有限公司 一种新型的针对三相交流电机运行方向控制的固态继电器及方法
US9562935B2 (en) 2012-10-19 2017-02-07 Lear Corporation Apparatus and method for detecting a phase sequence in a vehicle
CN104569629A (zh) * 2015-02-03 2015-04-29 孙超 一种低压电缆相序测试仪

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401308A (en) * 1966-08-29 1968-09-10 Ass Elect Ind Circuit arrangements for detecting phase unbalance
US3681636A (en) * 1969-08-14 1972-08-01 Westinghouse Electric Corp Phase sequence sensing circuit
US3584259A (en) * 1970-03-02 1971-06-08 Gen Motors Corp Phase failure detection system

Also Published As

Publication number Publication date
FR2217701A1 (it) 1974-09-06
CA996997A (en) 1976-09-14
FR2217701B1 (it) 1977-09-09
US3825768A (en) 1974-07-23
BR7401081D0 (pt) 1974-11-05
DE2407326A1 (de) 1974-08-22

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