[go: up one dir, main page]

CL2011003329A1 - Procedimiento y dispositivo de medición para la detección de magnitudes eléctricas de una red de tensión alterna trifásica. - Google Patents

Procedimiento y dispositivo de medición para la detección de magnitudes eléctricas de una red de tensión alterna trifásica.

Info

Publication number
CL2011003329A1
CL2011003329A1 CL2011003329A CL2011003329A CL2011003329A1 CL 2011003329 A1 CL2011003329 A1 CL 2011003329A1 CL 2011003329 A CL2011003329 A CL 2011003329A CL 2011003329 A CL2011003329 A CL 2011003329A CL 2011003329 A1 CL2011003329 A1 CL 2011003329A1
Authority
CL
Chile
Prior art keywords
voltage
procedure
detection
alternating voltage
phase alternating
Prior art date
Application number
CL2011003329A
Other languages
English (en)
Inventor
Alfred Beekmann
Volker Diedrichs
Original Assignee
Wobben Aloys
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 Wobben Aloys filed Critical Wobben Aloys
Publication of CL2011003329A1 publication Critical patent/CL2011003329A1/es

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or 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
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H02J2101/28—
    • 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
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/40—Synchronising a generator for connection to a network or to another generator
    • H02J3/44—Synchronising a generator for connection to a network or to another generator with means for ensuring correct phase sequence
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Phase Differences (AREA)
  • Wind Motors (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Small-Scale Networks (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

UN PROCEDIMIENTO Y DISPOSITIVO DE MEDICIÓN PARA LA DETECCIÓN DE MAGNITUDES ELÉCTRICAS DE UNA RED DE TENSIÓN ALTERNA TRIFÁSICA CON UNA PRIMERA, SEGUNDA Y TERCERA FASE, DONDE EL PROCEDIMIENTO COMPRENDE MEDIR EN CADA CASO UN VALOR DE LA TENSIÓN DE LA PRIMERA, SEGUNDA Y TERCERA FASE EN COMPARACIÓN CON UN CONDUCTOR NEUTRO, EN UN PRIMER INSTANTE EN EL TIEMPO; TRANSFORMAR LOS TRES VALORES DE LA TENSIÓN DEL PRIMER INSTANTE EN EL TIEMPO EN COORDENADAS POLARES CON UNA AMPLITUD DE LA TENSIÓN Y UN ÁNGULO DE FASE; REPETIR LA MEDICIÓN Y TRANSFORMAR PARA AL MENOS OTRO INSTANTE DE TIEMPO; Y DETERMINAR LA FRECUENCIA, AMPLITUD DE LA TENSIÓN Y/O ÁNGULO DE FASE, ACTUALES, DE AL MENOS UNA DE LAS FASES, A PARTIR DE LOS VALORES DE LA TENSIÓN TRANSFORMADA EN COORDENADAS POLARES.
CL2011003329A 2009-06-29 2011-12-28 Procedimiento y dispositivo de medición para la detección de magnitudes eléctricas de una red de tensión alterna trifásica. CL2011003329A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009031017.7A DE102009031017B4 (de) 2009-06-29 2009-06-29 Verfahren und Vorrichtung zur Beobachtung eines dreiphasigen Wechselspannungsnetzes sowie Windenergieanlage

Publications (1)

Publication Number Publication Date
CL2011003329A1 true CL2011003329A1 (es) 2012-04-09

Family

ID=42722868

Family Applications (2)

Application Number Title Priority Date Filing Date
CL2011003329A CL2011003329A1 (es) 2009-06-29 2011-12-28 Procedimiento y dispositivo de medición para la detección de magnitudes eléctricas de una red de tensión alterna trifásica.
CL2014001302A CL2014001302A1 (es) 2009-06-29 2014-05-16 Procedimiento y dispositivo de alimentacion para alimentar una red electrica de tension alterna, donde el procedimiento comprende la deteccion de magnitudes electricas de una red de tension alterna trifasica.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CL2014001302A CL2014001302A1 (es) 2009-06-29 2014-05-16 Procedimiento y dispositivo de alimentacion para alimentar una red electrica de tension alterna, donde el procedimiento comprende la deteccion de magnitudes electricas de una red de tension alterna trifasica.

Country Status (19)

Country Link
US (2) US8981755B2 (es)
EP (2) EP2449387B1 (es)
JP (2) JP5956333B2 (es)
CN (1) CN102472780B (es)
AR (2) AR077282A1 (es)
AU (2) AU2010268134B2 (es)
BR (1) BRPI1014223B8 (es)
CA (1) CA2766723C (es)
CL (2) CL2011003329A1 (es)
DE (1) DE102009031017B4 (es)
DK (2) DK2449387T3 (es)
EA (1) EA021435B1 (es)
ES (1) ES2731640T3 (es)
MA (1) MA33468B1 (es)
MX (1) MX2012000139A (es)
NZ (1) NZ597581A (es)
PT (1) PT2449387T (es)
WO (1) WO2011000754A1 (es)
ZA (1) ZA201200005B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031017B4 (de) 2009-06-29 2018-06-21 Wobben Properties Gmbh Verfahren und Vorrichtung zur Beobachtung eines dreiphasigen Wechselspannungsnetzes sowie Windenergieanlage
DE102010038573B4 (de) * 2010-07-28 2023-08-31 Endress+Hauser SE+Co. KG Messverfahren für eine von Hilfsmessgrößen abhängige Messgröße
DE102011053237A1 (de) 2010-09-06 2012-03-08 Sma Solar Technology Ag Verfahren zur Stabilisierung eines elektrischen Versorgungsnetzes
US20120147637A1 (en) * 2010-12-13 2012-06-14 Northern Power Systems, Inc. Methods, Systems, and Software for Controlling a Power Converter During Low (Zero)-Voltage Ride-Through Conditions
US20130054162A1 (en) * 2011-08-31 2013-02-28 Tollgrade Communications, Inc. Methods and apparatus for determining conditions of power lines
DE102011084910A1 (de) 2011-10-20 2013-04-25 Wobben Properties Gmbh Verfahren und Vorrichtung zum Einspeisen elektrischen Stroms in ein elektrisches Netz
DE102012002691A1 (de) 2012-02-10 2013-08-14 Powerwind Gmbh Verfahren zum Bereitstellen einer Windenergieanlage
US9562925B2 (en) 2012-02-14 2017-02-07 Tollgrade Communications, Inc. Power line management system
DE102012212777A1 (de) 2012-07-20 2014-01-23 Wobben Properties Gmbh Verfahren zum Steuern eines Windparks
TWI476417B (zh) * 2012-10-04 2015-03-11 Univ Nat Cheng Kung 電力系統
CA2846943C (en) * 2013-04-01 2021-08-17 General Electric Company Systems and methods for identifying weak buses in an electrical power system
DE102013210812A1 (de) 2013-06-10 2014-12-11 Wobben Properties Gmbh Verfahren zum Einspeisen elektrischer Leistung in ein elektrisches Versorgungsnetz
DE102014200740A1 (de) 2014-01-16 2015-07-16 Wobben Properties Gmbh Verfahren und Regel- und/oder Steuereinrichtung zum Betrieb einer Windenergieanlage und/oder eines Windparks sowie Windenergieanlage und Windpark
CA2944440C (en) 2014-03-31 2022-10-25 Tollgrade Communication, Inc. Optical voltage sensing for underground medium voltage wires
WO2016033443A1 (en) 2014-08-29 2016-03-03 Tollgrade Communications, Inc. Power extraction for a medium voltage sensor using a capacitive voltage divider
US9608976B2 (en) * 2015-05-26 2017-03-28 Google Inc. In-vehicle shared-screen system with write back to multiple user accounts
DE102015112155A1 (de) 2015-07-24 2017-01-26 Wobben Properties Gmbh Verfahren und Vorrichtung zum Erfassen einer elektrischen Spannung in einem Versorgungsnetz
DE102015114704A1 (de) 2015-09-03 2017-03-09 Wobben Properties Gmbh Verfahren zum Einspeisen elektrischer Leistung
DE102016010634B3 (de) * 2016-09-05 2018-01-11 Gerd Bumiller System und Verfahren zur Messung der Netzfrequenz von elektrischen Energieversorgungsnetzen mit hoher Genauigkeit und schneller Reaktion
US10223906B2 (en) 2017-01-23 2019-03-05 Florida Power & Light Company Open neutral detection
FR3071927B1 (fr) * 2017-09-29 2019-09-20 Schneider Electric Industries Sas Systeme indicateur de presence tension dans un reseau haute tension
RU2688896C1 (ru) * 2018-02-19 2019-05-22 Елена Владимировна Лесных Способ определения мгновенных значений параметров режима (токов и напряжений)
US12050241B2 (en) * 2018-10-15 2024-07-30 Sentient Technology Holdings, Llc. Power line sensors with automatic phase identification
US11761994B2 (en) 2020-09-18 2023-09-19 Smart Wires Inc. Method and apparatus for detecting faults using current unbalance
CN112684242A (zh) * 2020-10-26 2021-04-20 国网安徽省电力有限公司信息通信分公司 一种基于大数据的电力系统分析预警方法
EP4109699B1 (en) * 2021-06-25 2024-07-24 General Electric Technology GmbH Improvements in or relating to stability and power control in multiphase ac networks

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699441A (en) * 1971-01-04 1972-10-17 John R Linders Polyphase signal monitoring system
DE2816879C2 (de) * 1978-04-18 1986-11-20 German Ing.(Grad.) 8060 Dachau Grimm Schaltung zur Frequenzregelung in elektrischen Energieverteilungsnetzen
GB8603800D0 (en) * 1986-02-15 1986-03-19 Brown J E Vector control system
US5278773A (en) * 1990-09-10 1994-01-11 Zond Systems Inc. Control systems for controlling a wind turbine
US5502340A (en) * 1991-09-20 1996-03-26 Siemens Aktiengesellschaft Measuring process for obtaining a switching command in a rapid changeover device
US5322067A (en) * 1993-02-03 1994-06-21 Hewlett-Packard Company Method and apparatus for determining the volume of a body cavity in real time
JPH07181207A (ja) 1993-05-21 1995-07-21 Hiroshi Yokose 多相交流電圧の瞬時値の測定方法
JP3338159B2 (ja) * 1994-02-10 2002-10-28 三菱電機株式会社 振幅・位相検出装置
JPH08129032A (ja) * 1994-10-31 1996-05-21 Kyodo Senden:Kk 三相交流電圧検出方法
SE514499C2 (sv) * 1995-01-13 2001-03-05 Colibri Pro Dev Ab Metod och anordning för kompensering av elektriska störningar
JPH09211038A (ja) * 1996-01-31 1997-08-15 Hitachi Ltd 位相・振幅検出装置の診断装置、位相検出装置、振幅検出装置、周波数検出装置、位相・振幅・周波数検出装置
JPH09229981A (ja) * 1996-02-21 1997-09-05 Hitachi Ltd 高調波の監視に用いる監視装置および高調波監視システム
US6006154A (en) * 1998-03-02 1999-12-21 Cummins Engine Company, Inc. System and method for cylinder power imbalance prognostics and diagnostics
DE19944680C2 (de) * 1998-09-30 2002-03-21 Franz Vogl Electronic Gmbh Vorrichtung zur Phasenfehler-Erkennung
JP3755075B2 (ja) * 1999-01-22 2006-03-15 株式会社日立製作所 電力変動補償装置
JP2997782B1 (ja) 1999-02-04 2000-01-11 大阪大学長 品質別電力供給装置
JP3491676B2 (ja) * 1999-05-21 2004-01-26 横河電機株式会社 三相交流用測定器
US6326750B1 (en) * 1999-06-17 2001-12-04 Emerson Electric Co. Active reduction of torque irregularities in rotating machines
EP1067676B1 (en) * 1999-06-30 2009-06-17 Alcatel Lucent Method for linearising a power amplifier over a wide frequency band
DE10113786C2 (de) * 2001-03-21 2003-05-15 Siemens Ag Abtastverfahren für ein Eingangssignal mit einer Grundfrequenz
JP2002323517A (ja) * 2001-04-26 2002-11-08 Mitsubishi Electric Corp 三相交流電圧計測装置、三相交流電気量計測装置および三相交流電圧処理回路
JP3805718B2 (ja) * 2002-05-30 2006-08-09 独立行政法人科学技術振興機構 電力系統周波数変動発生検出方法、電力系統周波数偏差計測方法及び電力系統周波数計測方法
JP4080952B2 (ja) * 2003-06-02 2008-04-23 三菱電機株式会社 周波数測定装置
JP4038484B2 (ja) * 2004-01-13 2008-01-23 三菱電機株式会社 同期フェーザ測定装置
DE102004052296A1 (de) * 2004-10-27 2006-05-04 Sennheiser Electronic Gmbh & Co. Kg Sender und Empfänger für ein drahtloses Audio-Übertragungssystem
WO2007011862A2 (en) * 2005-07-15 2007-01-25 Southwest Windpower, Inc. Wind turbine and method of manufacture
JP4657151B2 (ja) * 2006-06-01 2011-03-23 三菱電機株式会社 回転位相角測定装置及びこれを用いた周波数測定装置、同期フェーザ測定装置、開閉極位相制御装置、同期投入装置及び相判別装置
EP1884787A1 (en) * 2006-07-10 2008-02-06 S. THIIM ApS A current sensor for measuring electric current in a conductor and a short circuit indicator system comprising such a sensor
WO2008011522A2 (en) 2006-07-19 2008-01-24 Indiana University Research And Technology Corporation Integrated and optimized distributed generation and interconnect system controller
EP2113776A4 (en) 2007-02-19 2010-08-04 Mitsubishi Electric Corp FREQUENCY METER
CN101627312B (zh) * 2007-02-27 2012-11-28 三菱电机株式会社 交流电量测量装置
JP5075539B2 (ja) 2007-09-05 2012-11-21 株式会社東芝 広域保護制御計測システムと方法
DE102007056468A1 (de) * 2007-11-22 2009-06-04 Hüttinger Elektronik Gmbh + Co. Kg Messsignalverarbeitungseinrichtung und Verfahren zur Verarbeitung von zumindest zwei Messsignalen
DE102009031017B4 (de) 2009-06-29 2018-06-21 Wobben Properties Gmbh Verfahren und Vorrichtung zur Beobachtung eines dreiphasigen Wechselspannungsnetzes sowie Windenergieanlage

Also Published As

Publication number Publication date
MX2012000139A (es) 2012-02-01
JP5956333B2 (ja) 2016-07-27
DE102009031017B4 (de) 2018-06-21
JP2012531602A (ja) 2012-12-10
CN102472780A (zh) 2012-05-23
EA201270093A1 (ru) 2012-06-29
AU2010268134B2 (en) 2015-02-26
AU2010268134A1 (en) 2012-02-02
CN102472780B (zh) 2015-08-19
MA33468B1 (fr) 2012-07-03
PT2449387T (pt) 2019-09-04
ES2731640T3 (es) 2019-11-18
CA2766723C (en) 2015-08-11
EP3531141A1 (de) 2019-08-28
EP3531141B1 (de) 2022-09-21
EP2449387B1 (de) 2019-05-15
AU2015200864A1 (en) 2015-03-12
US20120169059A1 (en) 2012-07-05
DK2449387T3 (da) 2019-07-29
WO2011000754A1 (de) 2011-01-06
AR099663A2 (es) 2016-08-10
DK3531141T3 (da) 2022-10-17
ZA201200005B (en) 2012-08-29
CL2014001302A1 (es) 2014-10-03
US9970968B2 (en) 2018-05-15
DE102009031017A1 (de) 2011-02-03
NZ597581A (en) 2014-02-28
BRPI1014223B1 (pt) 2020-06-09
AR077282A1 (es) 2011-08-17
BRPI1014223A2 (pt) 2016-04-12
JP2015111131A (ja) 2015-06-18
US20150219702A1 (en) 2015-08-06
US8981755B2 (en) 2015-03-17
EP2449387A1 (de) 2012-05-09
BRPI1014223B8 (pt) 2020-06-30
CA2766723A1 (en) 2011-01-06
EA021435B1 (ru) 2015-06-30

Similar Documents

Publication Publication Date Title
CL2011003329A1 (es) Procedimiento y dispositivo de medición para la detección de magnitudes eléctricas de una red de tensión alterna trifásica.
AR105437A1 (es) Procedimiento y dispositivo para detectar una tensión eléctrica en una red de distribución
DOP2017000242A (es) Dispositivo para detectar un cableado inadecuado del medidor de vatios-hora y el método correspondiente
AR088396A1 (es) Procedimiento y dispositivo para alimentar una red electrica con corriente electrica
MX378810B (es) Engrapadora quirurgica que tiene control de motor en base a la corriente medida en una fase posterior.
DE102016103828A8 (de) Multizellen-Leistungswandlungsverfahren mit Fehlerdetektion und Multizellen-Leistungswandler
MX378811B (es) Engrapadora quirúrgica que tiene control del motor basado en espejo de corriente.
GB201322003D0 (en) Alternating current circuit breaker with self-test capability
MX392272B (es) Sistemas y metodos para la determinacion electroquimica de hematocrito mediante determinaciones de angulos de fase de impedancia de corriente alterna.
BR112015005717A2 (pt) método para a determinação das correntes de fase de uma máquina elétrica com um conversor de corrente
BR112012018155A2 (pt) métodos para determinar a fase associada aos primeiro e segundo terminais de corrente em uma localização de um sistema de energia elétrica e para determinar a fase associada aos primeiro, segundo e terceiro terminais de voltagem em uma localização de um sistema de energia elétrica, e, aparelhos para determinar a fase associada aos primeiro e segundo terminais de corrente em uma localização de um sistema de energia elétrica e para determinar a fase associada aos primeiro, segundo e terceiro terminais de voltagem em uma localização de um sistema de energia elétrica
PH12018501258A1 (en) Electrical generators with improved fault protection
MX2018009092A (es) Oscilaciones en redes de energia electrica.
PL2815245T3 (pl) Obwód do wytwarzania napięcia probierczego, w szczególności w celu sprawdzania izolacyjności ułożonych kabli elektroenergetycznych
EP3470860A4 (en) VOLTAGE DETECTION AND DETECTION SWITCHING AND POWER BATTERY SYSTEM THEREWITH
RU2013104238A (ru) Способ и устройство для определения направления на место замыкания
FI20150241A7 (fi) Menetelmä ja laitteisto sähköverkon häiriökohdan paikantamiseksi
BR112014032612B8 (pt) Conversor de potência e método operacional para converter uma tensão cc em uma tensão ca pelo menos trifásica
PL409862A1 (pl) Układ do pomiaru rezystancji izolacji doziemnej na szynach rozdzielnicy niskiego napięcia prądu stałego
RU2014134445A (ru) Датчик тока и преобразователь мощности
MX2014003963A (es) Sistemas y metodos para identificar buses debiles en un sistema de energia electrica.
WO2014173688A3 (de) Spannungswandler mit einer phase-shifted-full-bridge
RU2012138808A (ru) Способ защиты ячеек комплектных распределительных устройств от дуговых замыканий
RU2015133900A (ru) Способ селективного определения отходящей линии с однофазным замыканием на землю в распределительных сетях напряжением 6-35 кВ
RU2013112073A (ru) Счетчик электрической энергии и утечки в сети