IT1193265B - Dispositivo di protezione per sistemi trasmissivi telealimentati - Google Patents

Dispositivo di protezione per sistemi trasmissivi telealimentati

Info

Publication number
IT1193265B
IT1193265B IT29942/75A IT2994275A IT1193265B IT 1193265 B IT1193265 B IT 1193265B IT 29942/75 A IT29942/75 A IT 29942/75A IT 2994275 A IT2994275 A IT 2994275A IT 1193265 B IT1193265 B IT 1193265B
Authority
IT
Italy
Prior art keywords
protection device
transmission systems
remote powered
powered transmission
remote
Prior art date
Application number
IT29942/75A
Other languages
English (en)
Inventor
Elio Lupatin
Original Assignee
Sits Soc It Telecom Siemens
Italtel Spa
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 Sits Soc It Telecom Siemens, Italtel Spa filed Critical Sits Soc It Telecom Siemens
Priority to IT29942/75A priority Critical patent/IT1193265B/it
Priority to BR7607858A priority patent/BR7607858A/pt
Priority to US05/747,049 priority patent/US4090228A/en
Priority to DE19762654967 priority patent/DE2654967A1/de
Application granted granted Critical
Publication of IT1193265B publication Critical patent/IT1193265B/it

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)
IT29942/75A 1975-12-03 1975-12-03 Dispositivo di protezione per sistemi trasmissivi telealimentati IT1193265B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT29942/75A IT1193265B (it) 1975-12-03 1975-12-03 Dispositivo di protezione per sistemi trasmissivi telealimentati
BR7607858A BR7607858A (pt) 1975-12-03 1976-11-24 Dispositivo de protecao para sistemas de transmissao remotamente alimentados
US05/747,049 US4090228A (en) 1975-12-03 1976-12-02 Protective device for a system feeding a balanced load from a remote power supply
DE19762654967 DE2654967A1 (de) 1975-12-03 1976-12-03 Schutzanordnung fuer ein fernmelde- uebertragungssystem mit einer fernspeiseeinrichtung

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
IT1193265B true IT1193265B (it) 1988-06-15

Family

ID=11228717

Family Applications (1)

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

Country Status (4)

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

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
BR7607858A (pt) 1977-10-25
DE2654967A1 (de) 1977-07-07
US4090228A (en) 1978-05-16

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