NZ593725A - Distribution system analysis using meter data - Google Patents

Distribution system analysis using meter data

Info

Publication number
NZ593725A
NZ593725A NZ593725A NZ59372510A NZ593725A NZ 593725 A NZ593725 A NZ 593725A NZ 593725 A NZ593725 A NZ 593725A NZ 59372510 A NZ59372510 A NZ 59372510A NZ 593725 A NZ593725 A NZ 593725A
Authority
NZ
New Zealand
Prior art keywords
phase conductor
phasor data
conductor line
sensor
synchronised
Prior art date
Application number
NZ593725A
Other languages
English (en)
Inventor
Jeffrey D Taft
Original Assignee
Accenture Global Services 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
Priority claimed from US12/353,413 external-priority patent/US8103466B2/en
Priority claimed from US12/353,836 external-priority patent/US8103467B2/en
Application filed by Accenture Global Services Ltd filed Critical Accenture Global Services Ltd
Publication of NZ593725A publication Critical patent/NZ593725A/xx

Links

Classifications

    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • 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
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
NZ593725A 2009-01-14 2010-01-12 Distribution system analysis using meter data NZ593725A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/353,413 US8103466B2 (en) 2009-01-14 2009-01-14 Distribution system analysis using meter data
US12/353,836 US8103467B2 (en) 2009-01-14 2009-01-14 Determination of distribution transformer voltages based on metered loads
PCT/US2010/020770 WO2010083164A2 (en) 2009-01-14 2010-01-12 Distribution system analysis using meter data

Publications (1)

Publication Number Publication Date
NZ593725A true NZ593725A (en) 2013-09-27

Family

ID=42174516

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ593725A NZ593725A (en) 2009-01-14 2010-01-12 Distribution system analysis using meter data

Country Status (12)

Country Link
EP (3) EP3179592B1 (enExample)
JP (4) JP5249429B2 (enExample)
CN (3) CN105553115B (enExample)
AU (1) AU2010204844B2 (enExample)
BR (2) BRPI1006797B1 (enExample)
CA (2) CA2825320C (enExample)
MY (3) MY172409A (enExample)
NZ (1) NZ593725A (enExample)
RU (2) RU2501143C2 (enExample)
SG (1) SG172939A1 (enExample)
WO (1) WO2010083164A2 (enExample)
ZA (1) ZA201104673B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5615785B2 (ja) * 2011-09-26 2014-10-29 株式会社日立製作所 電力系統状態推定装置およびそれを用いた電力系統システム
US8942856B2 (en) * 2011-12-22 2015-01-27 General Electric Company Power converter and methods of controlling the same
JP5971692B2 (ja) 2012-04-06 2016-08-17 株式会社東芝 電力系統の短絡容量監視方法およびそのシステム
FR2991057B1 (fr) * 2012-05-24 2014-06-20 Schneider Electric Ind Sas Systeme de mesure de l'energie electrique, poste de transformation comprenant un tel systeme et procede de mesure de l'energie electrique avec un tel systeme
FR2998061A1 (fr) * 2012-11-12 2014-05-16 Schneider Electric Ind Sas Dispositif et procede de determination de la tension et de la puissance de chaque phase dans un reseau moyenne tension
FR3007143B1 (fr) * 2013-06-17 2015-07-17 Schneider Electric Ind Sas Systeme de calcul d'une grandeur electrique, poste de transformation comprenant un tel systeme et procede de calcul d'une grandeur electrique avec un tel systeme
JP6179279B2 (ja) 2013-08-29 2017-08-16 富士通株式会社 損失算定プログラム、損失算定方法及び損失算定装置
FR3030764B1 (fr) 2014-12-22 2018-03-09 Schneider Electric Industries Sas Dispositif et procede de surveillance d'une tension ou d'une intensite, systeme de surveillance d'un tableau electrique, armoire electrique et poste de transformation associes
CN105186523B (zh) * 2015-10-30 2017-09-29 国网北京市电力公司 架空线路中电压调节器的安装位置确定方法和装置
US11287285B2 (en) * 2017-12-18 2022-03-29 Landis+Gyr Innovations, Inc. Methods and systems for distributed verification and control of a resource distribution network
JP2019154133A (ja) * 2018-03-02 2019-09-12 東京電力ホールディングス株式会社 高圧本線の電圧を求める方法およびシステム
BR112021004932A2 (pt) 2018-10-11 2021-06-01 Hydro Quebec método, sistema e produto de software para identificar instalações com tendência a apresentar uma não conformidade elétrica
EP4005658A4 (en) 2019-07-31 2023-08-23 Toray Industries, Inc. RELEASE FILM
CN110739686B (zh) * 2019-10-15 2023-05-02 福建网能科技开发有限责任公司 一种基于总表异常分析的台区线损治理方法及系统
US20230123385A1 (en) * 2020-03-10 2023-04-20 Eaton Intelligent Power Limited Power usage in an electricity distribution apparatus for a plurality of electrical loads
CN111650431B (zh) * 2020-05-26 2022-06-14 珠海中慧微电子有限公司 一种电表台区识别方法
CN114814355B (zh) * 2022-06-28 2022-09-13 石家庄科林电气股份有限公司 一种基于锰铜采样的三相表及计量方法
US11899516B1 (en) 2023-07-13 2024-02-13 T-Mobile Usa, Inc. Creation of a digital twin for auto-discovery of hierarchy in power monitoring
CN119064704B (zh) * 2024-11-06 2025-01-24 国网山西省电力公司运城供电公司 一种配电网线损检测方法及系统

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03123869A (ja) * 1989-10-06 1991-05-27 Shikoku Sogo Kenkyusho:Kk 配電線の高調波測定方法および装置
JPH05292670A (ja) * 1992-04-10 1993-11-05 Hitachi Ltd 配電系統分散電源制御システム
JP3500758B2 (ja) * 1994-03-18 2004-02-23 株式会社日立製作所 配電系統監視方法，配電系統制御方法およびそれら装置
JP3809569B2 (ja) * 1996-11-28 2006-08-16 株式会社日立製作所 電力系統制御方法及び装置
US6128584A (en) * 1998-11-30 2000-10-03 Abb Power T&D Company Inc. System and method for frequency compensation in an energy meter
US6496342B1 (en) * 1999-02-12 2002-12-17 Bitronics Inc. Distributed monitoring and protection system for a distributed power network
ES2320310T3 (es) * 2000-03-10 2009-05-21 Abb Schweiz Ag Metodo y dispositivo para evaluar la estabilidad de una red de transmision electrica.
EP1324455B1 (en) 2001-12-21 2005-02-16 Abb Research Ltd. Electric power transmission network state estimation
US6667610B2 (en) * 2002-03-11 2003-12-23 Gregory Hubert Piesinger Apparatus and method for identifying cable phase in a three-phase power distribution network
JP4468011B2 (ja) * 2004-02-25 2010-05-26 キヤノン株式会社 スイッチング電源及び画像形成装置
JP4538283B2 (ja) * 2004-09-09 2010-09-08 中国電力株式会社 電力変換装置における連系変圧器の一次電圧推装置
JP4406346B2 (ja) * 2004-09-30 2010-01-27 株式会社東芝 電力システム用広域計測サービス提供サーバとシステム、方法、およびプログラム
JP4061412B2 (ja) * 2005-01-28 2008-03-19 国立大学法人九州工業大学 電力系統の系統安定度監視方法及びシステム
US20060224336A1 (en) * 2005-04-05 2006-10-05 Charles Petras System and method for transmitting power system data over a wide area network
EP1780858A1 (en) * 2005-10-31 2007-05-02 ABB Technology AG Arrangement and method for protecting an electric power system
RU2330294C2 (ru) * 2006-08-28 2008-07-27 ООО Научно-производственная фирма "Электронные информационные системы" СПОСОБ ОТПУСКА И УЧЕТА ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ В РАСПРЕДЕЛИТЕЛЬНЫХ СЕТЯХ 0,4 кВ С ЗАЩИТОЙ ОТ ХИЩЕНИЙ
EP1909370A1 (en) * 2006-10-05 2008-04-09 Abb Research Ltd. Determination and use of power system sensitivities for power flow control
JP2008154362A (ja) * 2006-12-18 2008-07-03 Tokyo Electric Power Co Inc:The 電力系統の状態推定装置及び方法
JP4887322B2 (ja) * 2008-03-31 2012-02-29 株式会社日立製作所 電力系統の位相検出システム
US8103466B2 (en) * 2009-01-14 2012-01-24 Accenture Global Services Limited Distribution system analysis using meter data
CN101498757B (zh) * 2009-03-06 2012-05-30 深圳市双合电气股份有限公司 一种电力系统实时动态监测与记录装置

Also Published As

Publication number Publication date
CA2825320C (en) 2016-06-14
EP3179592A1 (en) 2017-06-14
RU2501143C2 (ru) 2013-12-10
JP5249429B2 (ja) 2013-07-31
EP2387814B1 (en) 2016-11-23
BR122012018277B1 (pt) 2019-09-03
BR122012018277A2 (pt) 2016-05-10
JP2012515521A (ja) 2012-07-05
CN105553115A (zh) 2016-05-04
CN102301554A (zh) 2011-12-28
CA2748014A1 (en) 2010-07-22
RU2013139802A (ru) 2015-03-10
AU2010204844B2 (en) 2013-01-10
EP3410554B1 (en) 2019-12-11
WO2010083164A3 (en) 2010-09-23
EP3410554A1 (en) 2018-12-05
JP2012182990A (ja) 2012-09-20
JP2013176289A (ja) 2013-09-05
BRPI1006797A2 (pt) 2016-04-12
CN102301554B (zh) 2016-03-30
RU2011134083A (ru) 2013-02-20
RU2625913C2 (ru) 2017-07-19
AU2010204844A1 (en) 2011-07-14
CA2748014C (en) 2013-11-12
JP5249451B2 (ja) 2013-07-31
JP2015180185A (ja) 2015-10-08
WO2010083164A2 (en) 2010-07-22
CN105553115B (zh) 2018-07-24
CN104242466A (zh) 2014-12-24
MY172409A (en) 2019-11-23
EP2387814A2 (en) 2011-11-23
MY156025A (en) 2015-12-31
ZA201104673B (en) 2012-03-28
MY171176A (en) 2019-09-30
CA2825320A1 (en) 2010-07-22
CN104242466B (zh) 2016-09-07
SG172939A1 (en) 2011-08-29
BRPI1006797B1 (pt) 2019-09-03
JP6147802B2 (ja) 2017-06-14
EP3179592B1 (en) 2018-08-01
JP5749290B2 (ja) 2015-07-15

Similar Documents

Publication Publication Date Title
NZ593725A (en) Distribution system analysis using meter data
MX2015017231A (es) Perdidas no tecnicas en una rejilla electrica publica.
PH12018500698A1 (en) Apparatus, system and method for energy management
WO2011141938A3 (en) Circuit breaker metering system
GB201320625D0 (en) Field integral detecting system of three-phase electric energy measuring system of electric distribution network
BRPI0418802B8 (pt) Método e aparelho relé para detectar em um sistema de distribuição de energia elétrica a fase de fiação em uma localização remota, aparelho para detectar a fiação de fase de uma tensão de fase desconhecida e medidor remoto para medição remota do consumo de utilidades
JP2012515521A5 (enExample)
EP2355265A3 (en) Power strip and electric power measurement system
WO2008106550A3 (en) Impedance measurement of a power line
SG140522A1 (en) Coupling point temperature and current measuring system
MX2014014446A (es) Sistema, metodo y dispositivo para proporcionar una fuente de energia estable sin el uso de conexion directa a una fuente de ac o dc.
MX338368B (es) Sistemas y metodos para medir el uso de energia electrica en una estructura y sistemas y metodos para calibrarlo.
GB201010728D0 (en) Monitoring of power consumption
WO2010091244A3 (en) Method and apparatus for determining a corrected monitoring voltage
NZ593626A (en) Representing all faults in an electricity meter by an overall health value
IN2014MN02306A (enExample)
IN2014CN04352A (enExample)
AR086897A1 (es) Sistemas y metodos de gestion de redes electricas en el nivel del transformador local
CL2014000615A1 (es) Barra colectora de corriente para celdas de plantas electroquimicas, comprende un cuerpo principal alargado de resistividad homogenea y que posee uno o mas contactos electricos opcionalmente removible, sondas para medir el potencial electrico, conectadas a traves de medios de sujecion a dicha barra colectora; planta electroquimica; y sistema de monitoreo.
WO2013016382A3 (en) System for measuring current and method of making same
CN203069672U (zh) 回路电阻测试系统
CN103604992A (zh) 变电站二次回路无线核相带负荷校保护的方法及系统
IN2012DE00560A (enExample)
UA118853C2 (uk) Пристрій і спосіб керування стабільністю локальної електромережі за допомогою регульованого трансформатора
WO2012012673A3 (en) Generator set calibration controller

Legal Events

Date Code Title Description
PSEA Patent sealed
RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 3 YEARS UNTIL 12 JAN 2017 BY CPA GLOBAL

Effective date: 20140224

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2018 BY CPA GLOBAL

Effective date: 20161202

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2019 BY CPA GLOBAL

Effective date: 20171130

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2020 BY CPA GLOBAL

Effective date: 20181129

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2021 BY CPA GLOBAL

Effective date: 20191205

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2022 BY CPA GLOBAL

Effective date: 20201203

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2023 BY CPA GLOBAL

Effective date: 20211202

RENW Renewal (renewal fees accepted)

Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 12 JAN 2024 BY CPA GLOBAL

Effective date: 20221202

LAPS Patent lapsed