BR9814259A - Sistema e método para detectar o desequilìbrio de voltagem e de corrente em um fornecimento de energia elétrica - Google Patents

Sistema e método para detectar o desequilìbrio de voltagem e de corrente em um fornecimento de energia elétrica

Info

Publication number
BR9814259A
BR9814259A BR9814259-3A BR9814259A BR9814259A BR 9814259 A BR9814259 A BR 9814259A BR 9814259 A BR9814259 A BR 9814259A BR 9814259 A BR9814259 A BR 9814259A
Authority
BR
Brazil
Prior art keywords
limit
electricity supply
normalized phase
detecting voltage
phase
Prior art date
Application number
BR9814259-3A
Other languages
English (en)
Portuguese (pt)
Inventor
Vick A Hubbard
Original Assignee
Abb Power T & D Co
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 Abb Power T & D Co filed Critical Abb Power T & D Co
Publication of BR9814259A publication Critical patent/BR9814259A/pt

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
    • H02H3/32—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
    • H02H3/34—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 of a three-phase system
    • H02H3/353—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 of a three-phase system involving comparison of phase voltages

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
BR9814259-3A 1997-12-05 1998-11-18 Sistema e método para detectar o desequilìbrio de voltagem e de corrente em um fornecimento de energia elétrica BR9814259A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6774897P 1997-12-05 1997-12-05
US6781697P 1997-12-05 1997-12-05
PCT/US1998/024780 WO1999030300A1 (fr) 1997-12-05 1998-11-18 Systeme et procede permettant de deceler un desequilibre de tension et de courant dans l'alimentation en energie electrique

Publications (1)

Publication Number Publication Date
BR9814259A true BR9814259A (pt) 2000-10-03

Family

ID=26748217

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9814259-3A BR9814259A (pt) 1997-12-05 1998-11-18 Sistema e método para detectar o desequilìbrio de voltagem e de corrente em um fornecimento de energia elétrica

Country Status (5)

Country Link
AU (1) AU1594399A (fr)
BR (1) BR9814259A (fr)
CA (1) CA2312723C (fr)
RU (1) RU2202114C2 (fr)
WO (1) WO1999030300A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6946972B2 (en) 2001-01-25 2005-09-20 Smartsynch, Inc. Systems and methods for wirelessly transmitting data from a utility meter
RU2482588C1 (ru) * 2012-04-06 2013-05-20 Открытое акционерное общество "Федеральная сетевая компания Единой энергетической системы" Устройство формирования синхронизированных данных о состоянии энергообъекта
GB2606337A (en) 2021-03-26 2022-11-09 Airbus Sas apparatus and method for detecting current imbalance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319298A (en) * 1979-08-28 1982-03-09 General Electric Company Motor protection device

Also Published As

Publication number Publication date
RU2202114C2 (ru) 2003-04-10
AU1594399A (en) 1999-06-28
WO1999030300A1 (fr) 1999-06-17
CA2312723A1 (fr) 1999-06-17
CA2312723C (fr) 2002-06-25

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