IT1043403B - DEVICE TO SUPERVISE TWO PARALLEL OPERATING POWER GROUPS - Google Patents

DEVICE TO SUPERVISE TWO PARALLEL OPERATING POWER GROUPS

Info

Publication number
IT1043403B
IT1043403B IT28328/75A IT2832875A IT1043403B IT 1043403 B IT1043403 B IT 1043403B IT 28328/75 A IT28328/75 A IT 28328/75A IT 2832875 A IT2832875 A IT 2832875A IT 1043403 B IT1043403 B IT 1043403B
Authority
IT
Italy
Prior art keywords
supervise
operating power
parallel operating
power groups
groups
Prior art date
Application number
IT28328/75A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1043403B publication Critical patent/IT1043403B/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 Generators And Motors (AREA)
  • Protection Of Static Devices (AREA)
IT28328/75A 1974-10-28 1975-10-16 DEVICE TO SUPERVISE TWO PARALLEL OPERATING POWER GROUPS IT1043403B (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 (1)

Publication Number Publication Date
IT1043403B true IT1043403B (en) 1980-02-20

Family

ID=5929340

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28328/75A IT1043403B (en) 1974-10-28 1975-10-16 DEVICE TO SUPERVISE TWO PARALLEL OPERATING POWER GROUPS

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 device for 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
DE2451098B2 (en) 1977-07-28
NL7509139A (en) 1976-05-03
SE7511989L (en) 1976-04-29
JPS5166459A (en) 1976-06-09
AT341043B (en) 1978-01-10
FR2289916A1 (en) 1976-05-28
DE2451098C3 (en) 1978-03-09
CH591773A5 (en) 1977-09-30
SE405300B (en) 1978-11-27
ATA541475A (en) 1977-05-15
DE2451098A1 (en) 1976-05-13
BE834573A (en) 1976-02-16

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