AT341043B - DEVICE FOR THE MONITORING OF TWO POWER UNITS CONNECTED IN PARALLEL TO A CONSUMER TRACK - Google Patents

DEVICE FOR THE MONITORING OF TWO POWER UNITS CONNECTED IN PARALLEL TO A CONSUMER TRACK

Info

Publication number
AT341043B
AT341043B AT541475A AT541475A AT341043B AT 341043 B AT341043 B AT 341043B AT 541475 A AT541475 A AT 541475A AT 541475 A AT541475 A AT 541475A AT 341043 B AT341043 B AT 341043B
Authority
AT
Austria
Prior art keywords
monitoring
parallel
units connected
power units
consumer
Prior art date
Application number
AT541475A
Other languages
German (de)
Other versions
ATA541475A (en
Original Assignee
Siemens Ag
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 Ag filed Critical Siemens Ag
Publication of ATA541475A publication Critical patent/ATA541475A/en
Application granted granted Critical
Publication of AT341043B publication Critical patent/AT341043B/en

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
    • H02H3/26—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
    • H02H3/36—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 of different systems, e.g. of parallel feeder systems
    • 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
    • H02H7/06—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 generators; for synchronous capacitors
    • H02H7/062—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 generators; for synchronous capacitors for parallel connected generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Protection Of Static Devices (AREA)
  • Protection Of Generators And Motors (AREA)
AT541475A 1974-10-28 1975-07-14 DEVICE FOR THE MONITORING OF TWO POWER UNITS CONNECTED IN PARALLEL TO A CONSUMER TRACK AT341043B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2451098A DE2451098C3 (en) 1974-10-28 1974-10-28 Device for monitoring two power units working in parallel

Publications (2)

Publication Number Publication Date
ATA541475A ATA541475A (en) 1977-05-15
AT341043B true AT341043B (en) 1978-01-10

Family

ID=5929340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT541475A AT341043B (en) 1974-10-28 1975-07-14 DEVICE FOR THE MONITORING OF TWO POWER UNITS CONNECTED IN PARALLEL TO A CONSUMER TRACK

Country Status (9)

Country Link
JP (1) JPS5166459A (en)
AT (1) AT341043B (en)
BE (1) BE834573A (en)
CH (1) CH591773A5 (en)
DE (1) DE2451098C3 (en)
FR (1) FR2289916A1 (en)
IT (1) IT1043403B (en)
NL (1) NL7509139A (en)
SE (1) SE405300B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164661A (en) * 1978-01-09 1979-08-14 Sundstrand Corporation Load sharing system
JPS61254026A (en) * 1985-04-30 1986-11-11 三菱電機株式会社 Parallel operation control system of ac output converter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE552331C (en) * 1929-01-21 1932-06-11 Bbc Brown Boveri & Cie Device for selective protection for windings with zero points connected in parallel to a common line
US3294978A (en) * 1963-02-06 1966-12-27 Westinghouse Electric Corp Unbalanced current protection apparatus for parallel generator systems
JPS4858279A (en) * 1971-11-19 1973-08-15

Also Published As

Publication number Publication date
BE834573A (en) 1976-02-16
SE405300B (en) 1978-11-27
JPS5166459A (en) 1976-06-09
DE2451098C3 (en) 1978-03-09
ATA541475A (en) 1977-05-15
FR2289916A1 (en) 1976-05-28
IT1043403B (en) 1980-02-20
CH591773A5 (en) 1977-09-30
DE2451098A1 (en) 1976-05-13
SE7511989L (en) 1976-04-29
NL7509139A (en) 1976-05-03
DE2451098B2 (en) 1977-07-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee