BR7607858A - Dispositivo de protecao para sistemas de transmissao remotamente alimentados - Google Patents

Dispositivo de protecao para sistemas de transmissao remotamente alimentados

Info

Publication number
BR7607858A
BR7607858A BR7607858A BR7607858A BR7607858A BR 7607858 A BR7607858 A BR 7607858A BR 7607858 A BR7607858 A BR 7607858A BR 7607858 A BR7607858 A BR 7607858A BR 7607858 A BR7607858 A BR 7607858A
Authority
BR
Brazil
Prior art keywords
remedy
remote
protective device
transmission systems
systems
Prior art date
Application number
BR7607858A
Other languages
English (en)
Inventor
E Lupatin
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Publication of BR7607858A publication Critical patent/BR7607858A/pt

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
    • H02H3/12—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 underload or no-load
    • 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
    • H02H3/325—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 involving voltage comparison
    • 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
    • H02H7/20—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 electronic equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
BR7607858A 1975-12-03 1976-11-24 Dispositivo de protecao para sistemas de transmissao remotamente alimentados BR7607858A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29942/75A IT1193265B (it) 1975-12-03 1975-12-03 Dispositivo di protezione per sistemi trasmissivi telealimentati

Publications (1)

Publication Number Publication Date
BR7607858A true BR7607858A (pt) 1977-10-25

Family

ID=11228717

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7607858A BR7607858A (pt) 1975-12-03 1976-11-24 Dispositivo de protecao para sistemas de transmissao remotamente alimentados

Country Status (4)

Country Link
US (1) US4090228A (pt)
BR (1) BR7607858A (pt)
DE (1) DE2654967A1 (pt)
IT (1) IT1193265B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267120A (en) * 1987-05-04 1993-11-30 Digital Appliance Controls, Inc. Relay control apparatus
US5055962A (en) * 1989-02-21 1991-10-08 Digital Appliance Controls, Inc. Relay actuation circuitry
GB9823527D0 (en) * 1998-10-27 1998-12-23 Northern Electric Distribution Electric cable with protective device
US20040239188A1 (en) * 2003-05-28 2004-12-02 Hewlett-Packard Development Company, L.P. Power supply load balancing apparatus
US7834612B2 (en) * 2007-07-26 2010-11-16 Altronix Corporation Method and apparatus for regulating voltage in a remote device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885199A (en) * 1973-07-02 1975-05-20 Hitachi Ltd Protective relaying device

Also Published As

Publication number Publication date
US4090228A (en) 1978-05-16
DE2654967A1 (de) 1977-07-07
IT1193265B (it) 1988-06-15

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