NO843745L - Fremgangsmaate til utkobling av trefaset kortslutningsstroem - Google Patents

Fremgangsmaate til utkobling av trefaset kortslutningsstroem

Info

Publication number
NO843745L
NO843745L NO843745A NO843745A NO843745L NO 843745 L NO843745 L NO 843745L NO 843745 A NO843745 A NO 843745A NO 843745 A NO843745 A NO 843745A NO 843745 L NO843745 L NO 843745L
Authority
NO
Norway
Prior art keywords
phase
current
zero crossings
currents
controlled
Prior art date
Application number
NO843745A
Other languages
English (en)
Norwegian (no)
Inventor
Nobuaki Kiyokuni
Tadashi Morita
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of NO843745L publication Critical patent/NO843745L/no

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/006—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means adapted for interrupting fault currents with delayed zero crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Electrical Variables (AREA)
NO843745A 1983-09-21 1984-09-19 Fremgangsmaate til utkobling av trefaset kortslutningsstroem NO843745L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58174590A JPS6068511A (ja) 1983-09-21 1983-09-21 三相短絡電流の遮断方法

Publications (1)

Publication Number Publication Date
NO843745L true NO843745L (no) 1985-03-22

Family

ID=15981221

Family Applications (1)

Application Number Title Priority Date Filing Date
NO843745A NO843745L (no) 1983-09-21 1984-09-19 Fremgangsmaate til utkobling av trefaset kortslutningsstroem

Country Status (3)

Country Link
EP (1) EP0138744A3 (de)
JP (1) JPS6068511A (de)
NO (1) NO843745L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101295918B (zh) * 2007-04-24 2011-03-02 艾默生网络能源系统有限公司 一种三相交流输入电路电控开关软开关方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1563656A1 (de) * 1966-01-26 1970-02-19 Siemens Ag Leistungsschalterschutz
US3946277A (en) * 1974-08-28 1976-03-23 Lange George M Zero current switching circuitry
JPS57101514A (en) * 1980-12-15 1982-06-24 Tokyo Shibaura Electric Co Defect current breaking system

Also Published As

Publication number Publication date
EP0138744A3 (de) 1986-12-10
EP0138744A2 (de) 1985-04-24
JPS6068511A (ja) 1985-04-19

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