ES484010A1 - Comparador de corriente-caudal para generar una senal de alarma - Google Patents

Comparador de corriente-caudal para generar una senal de alarma

Info

Publication number
ES484010A1
ES484010A1 ES484010A ES484010A ES484010A1 ES 484010 A1 ES484010 A1 ES 484010A1 ES 484010 A ES484010 A ES 484010A ES 484010 A ES484010 A ES 484010A ES 484010 A1 ES484010 A1 ES 484010A1
Authority
ES
Spain
Prior art keywords
current
flow rate
instantaneous
armature
flow comparator
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
ES484010A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of ES484010A1 publication Critical patent/ES484010A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/086—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays of cooling or lubricating fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)

Abstract

1. Comparador de corriente/caudal para generar una señal de alarma cada vez que el caudal instantáneo de un líquido refrigerante que asegura la refrigeración del inducido de una máquina dinamoeléctrica disminuye por debajo de un porcentaje predeterminado de un caudal instantáneo deseado, variando dicho caudal instantáneo deseado en función del cuadrado de la corriente instantánea real que fluye a través de dicho inducido, estando dicho comparador caracterizado porque incluye: unos medios para generar una segunda señal representativa del valor instantáneo real de dicho caudal; unos medios para generar una segunda señal representativa del valor instantáneo real de dicha corriente de inducido; y unos medios que responden a dichas primera y segunda señales generando una señal de alarma cada vez que dicho caudal instantáneo cae por debajo de dicho caudal instantáneo deseado en más de dicho porcentaje predeterminado.
ES484010A 1978-09-15 1979-09-07 Comparador de corriente-caudal para generar una senal de alarma Expired ES484010A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/942,478 US4190829A (en) 1978-09-15 1978-09-15 Current/flow comparator

Publications (1)

Publication Number Publication Date
ES484010A1 true ES484010A1 (es) 1980-04-01

Family

ID=25478129

Family Applications (1)

Application Number Title Priority Date Filing Date
ES484010A Expired ES484010A1 (es) 1978-09-15 1979-09-07 Comparador de corriente-caudal para generar una senal de alarma

Country Status (7)

Country Link
US (1) US4190829A (es)
JP (1) JPS5546850A (es)
AU (1) AU513188B2 (es)
CA (1) CA1129517A (es)
ES (1) ES484010A1 (es)
IT (1) IT1122934B (es)
MX (1) MX147218A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204050C1 (de) * 1982-02-06 1983-07-21 Chemie Und Filter Gmbh, Verfahrenstechnik Kg, 6900 Heidelberg Elektromagnetisch betaetigte Axialkolbenpumpe,insbesondere Membranpumpe
DE3427758A1 (de) * 1984-07-24 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Elektrische maschine mit ueberwachung des fluessigkeitskuehlkreislaufes
US4602872A (en) * 1985-02-05 1986-07-29 Westinghouse Electric Corp. Temperature monitoring system for an electric generator
DE3919680A1 (de) * 1989-06-16 1990-12-20 Standard Elektrik Lorenz Ag Zwischenstelle in einer nachrichtenuebertragungsstrecke
US6794773B2 (en) 2001-01-23 2004-09-21 General Electric Company Winding restraint on wound rotor generators or motors and method for forming the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761284A (en) * 1951-12-28 1956-09-04 Phillips Petroleum Co Temperature rise regulator for continuous combustion power plants
US3010401A (en) * 1957-10-08 1961-11-28 W Dan Bergman Ab Device for electrically-driven liquid-cooled pump
US3665945A (en) * 1971-02-03 1972-05-30 M & J Valve Co Valve control system and method
US3822389A (en) * 1972-08-24 1974-07-02 Gen Electric Liquid coolant pressurizing device for dynamoelectric machines
DE2455030A1 (de) * 1974-11-20 1976-05-26 Knuerr Kg Elektronik Hans Vorrichtung zur ueberwachung einer kuehlfluidstroemung
JPS5292553A (en) * 1976-01-29 1977-08-04 Hokushin Electric Works Watching apparatus for differential flow
US4021794A (en) * 1976-04-14 1977-05-03 Airpax Electronics Incorporated External condition responsive circuit producing alarm when frequency (engine speed) to amplitude signal (oil pressure) ratio exceeds threshold
US4101874A (en) * 1976-07-29 1978-07-18 The Perkin-Elmer Corporation Fluid flow indicator and flow switch
JPS6059817B2 (ja) * 1976-12-07 1985-12-26 株式会社東芝 発電機固定子一次冷却水制御装置

Also Published As

Publication number Publication date
JPS5546850A (en) 1980-04-02
AU4944279A (en) 1980-03-20
MX147218A (es) 1982-10-25
AU513188B2 (en) 1980-11-20
US4190829A (en) 1980-02-26
IT7925422A0 (it) 1979-08-31
JPH0221211B2 (es) 1990-05-14
IT1122934B (it) 1986-04-30
CA1129517A (en) 1982-08-10

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