ES2088921T3 - Circuito de potencia suministrada con deteccion de corriente. - Google Patents

Circuito de potencia suministrada con deteccion de corriente.

Info

Publication number
ES2088921T3
ES2088921T3 ES90108641T ES90108641T ES2088921T3 ES 2088921 T3 ES2088921 T3 ES 2088921T3 ES 90108641 T ES90108641 T ES 90108641T ES 90108641 T ES90108641 T ES 90108641T ES 2088921 T3 ES2088921 T3 ES 2088921T3
Authority
ES
Spain
Prior art keywords
current
circuit
terminal
bifurcation
transistors
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 - Lifetime
Application number
ES90108641T
Other languages
English (en)
Inventor
David L Juzswik
Bruce R Wrenbeck
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.)
Lear Corp EEDS and Interiors
Original Assignee
Lear Corp EEDS and Interiors
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 Lear Corp EEDS and Interiors filed Critical Lear Corp EEDS and Interiors
Application granted granted Critical
Publication of ES2088921T3 publication Critical patent/ES2088921T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
    • H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
    • H02H7/0838—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements with H-bridge circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
    • H02P7/04—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of a H-bridge circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electronic Switches (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Power Conversion In General (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

UN CIRCUITO DE ENTREGA DE ENERGIA PARA SUMINISTRAR CORRIENTE DE CARGA A UN CIRCUITO DE CARGA INCLUYE UN CONMUTADOR DE CORRIENTE CONECTADO SOBRE EL LADO DEL HIPERVOLTAJE DE UN CIRCUITO DE CARGA. CON OBJETO DE DETECTAR UN ESTADO DE CORRIENTE, TAL COMO UN ESTADO DE SOBREAMPERAJE EN EL CIRCUITO DE CARGA, COOPERA PREFERENTEMENTE UN CIRCUITO DE DETECCION Y SENSIBLE A LA CORRIENTE CON EL CONMUTADOR DE CORRIENTE, EN EL QUE TAL CONMUTADOR COMPRENDE UN DISPOSITIVO MULTICELULAR CON UNA PLURALIDAD DE TERMINALES. TALES TERMINALES INCLUYEN: UN PRIMER TERMINAL DE CORRIENTE PRINCIPAL, CONECTADO A UNA FUENTE DE HIPERVOLTAJE; UN SEGUNDO TERMINAL DE CORRIENTE PRINCIPAL, QUE CONECTA UNA MAYORIA DE CELULAS DEL DISPOSITIVO AL CIRCUITO DE CARGA; UN PRIMER TERMINAL AUXILIAR CONECTADO EN UN EXTREMO A UNA MINORIA DE CELULAS DEL DISPOSITIVO, PARA PROPORCIONAR UNA CORRIENTE GENERALMENTE PROPORCIONAL A LA CORRIENTE DEL DISPOSITIVO PRINCIPAL; Y UN SEGUNDO TERMINAL AUXILIAR, CONECTADO EN UN EXTREMO A UNA MAYORIA DE CELULAS DEL DISPOSITIVO. EL CIRCUITO DE DETECCION DE CORRIENTE COMPRENDE PREFERENTEMENTE UNA BIFURCACION CONECTADA ENTRE EL PRIMER TERMINAL AUXILIAR Y TIERRA, E INCLUYENDO, EN CIRCUITO EN SERIE, UNA RESISTENCIA DE CONVERSION DE CORRIENTE A TENSION, PROPORCIONANDO UN VOLTAJE EN UN EXTREMO APROXIMADAMENTE PROPORCIONAL A LA CORRIENTE DEL DISPOSITIVO PRINCIPAL, Y UN DISPOSITIVO DE TRASNSIMPEDANCIA CONTROLADO POR SEÑALES DE POLARIZACION, Y OTRA BIFURCACION CONECTADA ENTRE EL SEGUNDO TERMINAL AUXILIAR Y TIERRA, Y PROPORCIONANDO UNA SEÑAL DE POLARIZACION PARA EL DISPOSITIVO DE TRANSIMPEDANCIA EN LA PRIMERA BIFURCACION. EN OTRA VERSION, LA PRIMERA BIFURCACION INCLUYE POR LO MENOS DOS TRANSISTORES Y UNA RESISTENCIA CONECTADOS EN SERIE ENTRE UN TERMINAL SENSIBLE A LA CORRIENTE DEL MOSFET (TRANSISTOR DE EFECTO DE CAMPO CUYA PUERTA ESTA FORMADA POR UNA ESTRUCTURA MOS (METAL-OXIDO-SEMICONDUCTOR) Y UN POTENCIAL DE REFERENCIA) . LA SEGUNDA BIFURCACION INCLUYE TAMBIEN POR LO MENOS DOS TRANSISTORES CONECTADOS ENSERIE ENTRE UN TERMINAL DEL MOSFET Y EL POTENCIAL DE REFERENCIA. LOS TRANSISTORES ESTAN INTERCONECTADOS ENTRE BIFURCACIONES, Y PROPORCIONAN "UN ESPEJO DE CORRIENTE INVERSAS Y NORMAL. TAMBIEN PUEDEN INCLUIRSE CINCO Y SEIS TRANSISTORES COMO PARTE DEL CIRCUITO SENSIBLE A LA CORRIENTE.
ES90108641T 1989-05-09 1990-05-08 Circuito de potencia suministrada con deteccion de corriente. Expired - Lifetime ES2088921T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34902289A 1989-05-09 1989-05-09
US37646689A 1989-07-05 1989-07-05

Publications (1)

Publication Number Publication Date
ES2088921T3 true ES2088921T3 (es) 1996-10-01

Family

ID=26996001

Family Applications (2)

Application Number Title Priority Date Filing Date
ES90108641T Expired - Lifetime ES2088921T3 (es) 1989-05-09 1990-05-08 Circuito de potencia suministrada con deteccion de corriente.
ES95202401T Expired - Lifetime ES2136241T3 (es) 1989-05-09 1990-05-08 Circuito de suministro de energia con detector de corriente.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES95202401T Expired - Lifetime ES2136241T3 (es) 1989-05-09 1990-05-08 Circuito de suministro de energia con detector de corriente.

Country Status (5)

Country Link
US (1) US5245523B1 (es)
EP (2) EP0397102B1 (es)
JP (1) JP2831435B2 (es)
DE (2) DE69026525T2 (es)
ES (2) ES2088921T3 (es)

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Also Published As

Publication number Publication date
EP0688077B1 (en) 1999-08-11
US5245523B1 (en) 1997-06-24
EP0397102B1 (en) 1996-04-17
JPH03111916A (ja) 1991-05-13
ES2136241T3 (es) 1999-11-16
DE69026525D1 (de) 1996-05-23
EP0688077A2 (en) 1995-12-20
US5245523A (en) 1993-09-14
EP0397102A2 (en) 1990-11-14
DE69026525T2 (de) 1996-09-12
EP0688077A3 (en) 1996-06-05
DE69033248T2 (de) 2000-03-16
JP2831435B2 (ja) 1998-12-02
DE69033248D1 (de) 1999-09-16
EP0397102A3 (en) 1991-01-16

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