BR8005572A - RELAY FOR OPERATION WITH EXCESS CURRENT - Google Patents

RELAY FOR OPERATION WITH EXCESS CURRENT

Info

Publication number
BR8005572A
BR8005572A BR8005572A BR8005572A BR8005572A BR 8005572 A BR8005572 A BR 8005572A BR 8005572 A BR8005572 A BR 8005572A BR 8005572 A BR8005572 A BR 8005572A BR 8005572 A BR8005572 A BR 8005572A
Authority
BR
Brazil
Prior art keywords
relay
excess current
excess
current
Prior art date
Application number
BR8005572A
Other languages
Portuguese (pt)
Inventor
L Thornell
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Publication of BR8005572A publication Critical patent/BR8005572A/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
    • H02H3/08—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 excess current
    • H02H3/083—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 excess current for three-phase systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
BR8005572A 1979-09-03 1980-09-02 RELAY FOR OPERATION WITH EXCESS CURRENT BR8005572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7907301A SE418554B (en) 1979-09-03 1979-09-03 OVERSTROMSRELE

Publications (1)

Publication Number Publication Date
BR8005572A true BR8005572A (en) 1981-03-17

Family

ID=20338734

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005572A BR8005572A (en) 1979-09-03 1980-09-02 RELAY FOR OPERATION WITH EXCESS CURRENT

Country Status (6)

Country Link
BR (1) BR8005572A (en)
DE (1) DE3031509A1 (en)
FR (1) FR2464586A1 (en)
GB (1) GB2059695A (en)
SE (1) SE418554B (en)
YU (1) YU216480A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195845B (en) * 1986-09-30 1991-03-27 Electricity Council Remote protection of three phase distribution transformers
FR2646538B1 (en) * 1989-04-26 1991-08-23 Valeo Vision MOTOR VEHICLE LIGHTING DEVICE COMPRISING SHORT-CIRCUIT PROTECTION MEANS
JPH079442B2 (en) * 1989-09-20 1995-02-01 株式会社東芝 Current detection circuit
JP2999887B2 (en) * 1992-10-09 2000-01-17 三菱電機株式会社 IGBT overcurrent protection circuit and semiconductor integrated circuit device
FR2808388B1 (en) * 2000-04-26 2002-06-14 Alstom PROTECTION METHOD AND SYSTEM FOR MEDIUM VOLTAGE DISTRIBUTION NETWORK, AND METHOD FOR MODIFYING AN EXISTING SYSTEM

Also Published As

Publication number Publication date
DE3031509A1 (en) 1981-03-26
GB2059695A (en) 1981-04-23
YU216480A (en) 1982-08-31
SE418554B (en) 1981-06-09
FR2464586A1 (en) 1981-03-06
SE7907301L (en) 1981-03-04

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