EP2529473A4 - Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network - Google Patents

Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

Info

Publication number
EP2529473A4
EP2529473A4 EP11735366.4A EP11735366A EP2529473A4 EP 2529473 A4 EP2529473 A4 EP 2529473A4 EP 11735366 A EP11735366 A EP 11735366A EP 2529473 A4 EP2529473 A4 EP 2529473A4
Authority
EP
European Patent Office
Prior art keywords
distortion
noise
reduction
methods
factor correction
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11735366.4A
Other languages
German (de)
French (fr)
Other versions
EP2529473A1 (en
Inventor
Patrick A Rada
John H Magnasco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Geneva Cleantech Inc
Original Assignee
Geneva Cleantech Inc
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 US12/694,153 external-priority patent/US8450878B2/en
Application filed by Geneva Cleantech Inc filed Critical Geneva Cleantech Inc
Priority claimed from US13/013,764 external-priority patent/US9020769B2/en
Priority claimed from US13/013,737 external-priority patent/US8674544B2/en
Publication of EP2529473A1 publication Critical patent/EP2529473A1/en
Publication of EP2529473A4 publication Critical patent/EP2529473A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/12Arrangements for reducing harmonics from ac input or output
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1864Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00Tariff metering apparatus
    • G01D4/002Remote reading of utility meters
    • G01D4/004Remote reading of utility meters to a fixed location
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/70Regulating power factor; Regulating reactive current or power
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2204/00Indexing scheme relating to details of tariff-metering apparatus
    • G01D2204/20Monitoring; Controlling
    • G01D2204/24Identification of individual loads, e.g. by analysing current/voltage waveforms
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/70Load identification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/34Smart metering supporting the carbon neutral operation of end-user applications in buildings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10Flexible AC transmission systems [FACTS]
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30Smart metering, e.g. specially adapted for remote reading
EP11735366.4A 2010-01-25 2011-01-25 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network Withdrawn EP2529473A4 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US29811210P 2010-01-25 2010-01-25
US29812710P 2010-01-25 2010-01-25
US12/694,153 US8450878B2 (en) 2009-01-26 2010-01-26 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
US12/694,171 US8447541B2 (en) 2009-01-26 2010-01-26 Energy usage monitoring with remote display and automatic detection of appliance including graphical user interface
US201161434250P 2011-01-19 2011-01-19
US201161435658P 2011-01-24 2011-01-24
US201161435921P 2011-01-25 2011-01-25
US13/013,764 US9020769B2 (en) 2009-01-26 2011-01-25 Automatic detection of appliances
US13/013,737 US8674544B2 (en) 2009-01-26 2011-01-25 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
PCT/US2011/022471 WO2011091441A1 (en) 2010-01-25 2011-01-25 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

Publications (2)

Publication Number Publication Date
EP2529473A1 EP2529473A1 (en) 2012-12-05
EP2529473A4 true EP2529473A4 (en) 2015-08-26

Family

ID=44355484

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11735366.4A Withdrawn EP2529473A4 (en) 2010-01-25 2011-01-25 Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
EP11735368.0A Withdrawn EP2529190A4 (en) 2010-01-25 2011-01-25 Automatic detection of appliances

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11735368.0A Withdrawn EP2529190A4 (en) 2010-01-25 2011-01-25 Automatic detection of appliances

Country Status (5)

Country Link
EP (2) EP2529473A4 (en)
JP (3) JP2013518556A (en)
KR (2) KR20120118049A (en)
CN (2) CN102822639B (en)
WO (2) WO2011091441A1 (en)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012211955A1 (en) 2011-02-04 2013-09-12 Bidgely Inc. Systems and methods for improving the accuracy of appliance level disaggregation in non-intrusive appliance load monitoring techniques
CN103748620A (en) 2011-04-22 2014-04-23 艾克潘尔基公司 Systems and methods for analyzing energy usage
ES2396851B1 (en) * 2011-07-29 2014-07-14 Endesa Energ�A, S.A.U. REACTIVE POWER COMPENSATION SYSTEM, OF SPECIAL APPLICATION IN HOUSING.
JP5839930B2 (en) * 2011-10-19 2016-01-06 三菱電機株式会社 Electric quantity monitoring system for load system and electronic indicating instrument used for electrical quantity monitoring system
CN104303203B (en) 2011-11-28 2018-04-13 艾克潘尔基公司 Energy search engine method and system
US8734009B2 (en) * 2011-12-06 2014-05-27 Millercoors, Llc System and method for determining the state of a beverage
JP6267852B2 (en) * 2012-02-03 2018-01-24 サターン ライセンシング エルエルシーSaturn Licensing LLC Information processing apparatus and information processing method
US20130274936A1 (en) * 2012-04-15 2013-10-17 Swan, Llc Broadcast energy demand systems and methods
EP2842011A4 (en) 2012-04-25 2016-05-04 Bidgely Inc Energy disaggregation techniques for low resolution whole-house energy consumption data
JP5615390B2 (en) * 2013-01-17 2014-10-29 三菱電機株式会社 Power consumption estimation device, power consumption estimation method and program
US10753979B2 (en) 2013-04-04 2020-08-25 The Boeing Company In-situ battery monitoring system
US11002773B2 (en) 2013-07-17 2021-05-11 Nec Corporation Monitoring apparatus, monitoring method, and storage medium
JP6450074B2 (en) * 2014-02-12 2019-01-09 株式会社ダイヘン Measuring device, power system monitoring system, and measuring method
TWI517079B (en) 2013-07-30 2016-01-11 財團法人工業技術研究院 Method for identifying electronic device and apparatus and system using the same
KR101487735B1 (en) * 2013-10-08 2015-01-29 (주)이젝스 Identification system for home appliance using inrush current and identification method therefor
KR101457360B1 (en) * 2013-10-14 2014-11-03 안효복 System for power controlling of Digital Signage
KR101503644B1 (en) * 2014-04-07 2015-03-17 한국과학기술원 Power signal recognition method and system with high order moment features for non-intrusive load monitoring
US9417092B2 (en) 2014-04-25 2016-08-16 Samsung Electronics Co., Ltd. Automatic fixture monitoring using mobile location and sensor data with smart meter data
US10324117B2 (en) * 2014-04-28 2019-06-18 Landis+Gyr Innovations, Inc. Monitoring power consumption by electrical devices using monitored operational parameters
JP6287619B2 (en) * 2014-06-20 2018-03-07 株式会社デンソー Power management system
JP2016059126A (en) * 2014-09-08 2016-04-21 株式会社東芝 Power load estimation device, power load estimation method and power load estimation program
KR102129630B1 (en) * 2014-09-15 2020-07-03 매그나칩 반도체 유한회사 Circuit and method fixing frequency of ac direct light apparatus
US9634489B2 (en) * 2014-10-23 2017-04-25 Glenn Kenton Rosendahl Electrical power transmission network
US20160116508A1 (en) 2014-10-28 2016-04-28 Eaton Corporation System and method to characterize and identify operating modes of electric loads
US9152737B1 (en) 2014-11-26 2015-10-06 Sense Labs, Inc. Providing notifications to a user
CN108052015B (en) * 2014-11-26 2019-08-06 圣思实验室公司 The information about the equipment in building is determined using different feature sets
US9819226B2 (en) 2014-12-01 2017-11-14 Eaton Corporation Load power device and system for real-time execution of hierarchical load identification algorithms
US9866021B2 (en) 2014-12-09 2018-01-09 Eaton Corporation Load power device, system and method of load control and management employing load identification
GB2535712A (en) * 2015-02-24 2016-08-31 Energy Tech Inst Llp Method and system of monitoring appliance usage
JP6559981B2 (en) * 2015-03-13 2019-08-14 埼広エンジニヤリング株式会社 Recorder, recorder installation structure and fastening structure
DE102015113885A1 (en) * 2015-08-21 2017-02-23 Kriwan Industrie-Elektronik Gmbh Plant with at least one plant component for monitoring and / or setting the plant
JP6791152B2 (en) * 2015-09-29 2020-11-25 日本電気株式会社 Estimator, estimation method, and program
JP2019501612A (en) * 2015-10-21 2019-01-17 イノジー イノヴァツィオン ゲゼルシャフト ミット ベシュレンクテル ハフツングinnogy Innovation GmbH Supply system meter and supply system
JP6191974B2 (en) * 2016-01-29 2017-09-06 パナソニックIpマネジメント株式会社 Energy management system
CN112465669A (en) * 2016-06-01 2021-03-09 李丽萍 Enterprise power load self-checking and adjusting system and method
US10551893B2 (en) 2016-07-01 2020-02-04 Weber-Stephen Products Llc Digital power supply with wireless monitoring and control
US10524312B2 (en) 2016-07-01 2019-12-31 Weber-Stephen Products Llc Electric grill with current protection circuitry
US11454677B2 (en) 2016-07-01 2022-09-27 Weber-Stephen Products Llc Wireless control and status monitoring for electric grill with current protection circuitry
KR20180004581A (en) * 2016-07-04 2018-01-12 엘에스산전 주식회사 Device of monitoring a reactive power compensation system and method thereof
IT201600123334A1 (en) * 2016-12-05 2018-06-05 Univ Degli Studi Di Firenze Intelligent socket and monitoring and control system using this socket
EP3361272A1 (en) * 2017-02-09 2018-08-15 ABB Schweiz AG Grid impedance estimation based on total least squares
KR101924330B1 (en) * 2017-02-10 2019-02-20 주식회사 테크포아이 User-centric context awareness system applying in Dynamic Environment and method using it
US10750252B2 (en) 2017-02-22 2020-08-18 Sense Labs, Inc. Identifying device state changes using power data and network data
US9699529B1 (en) 2017-02-22 2017-07-04 Sense Labs, Inc. Identifying device state changes using power data and network data
CN106849639B (en) * 2017-03-20 2019-05-21 矽力杰半导体技术(杭州)有限公司 Circuit of power factor correction, control method and controller
CN106685210B (en) * 2017-03-22 2019-03-05 矽力杰半导体技术(杭州)有限公司 Circuit of power factor correction, control method and controller
KR101863500B1 (en) 2017-04-28 2018-06-01 김성규 Wind-block Device for preventing the scatter of harmful substances from the air
CA3094309C (en) * 2017-05-05 2022-08-30 Weber-Stephen Products Llc Wireless control and status monitoring for electric grill with current protection circuitry
US11016129B1 (en) 2017-10-20 2021-05-25 Alarm.Com Incorporated Voltage event tracking and classification
CN208316303U (en) * 2017-12-04 2019-01-01 逸节电子有限公司 System for carrying out power factor and harmonic correction in power grid
JP2019140861A (en) * 2018-02-15 2019-08-22 中電技術コンサルタント株式会社 Power data processing system and method for processing power data using power data processing system
CN108573288B (en) * 2018-05-29 2021-11-23 福建新开普信息科技有限公司 Resistive load identification and learning method based on electric energy meter
US20210240950A1 (en) * 2018-06-25 2021-08-05 Hewlett-Packard Development Company, L.P. Capacitive code comparing
US20200025418A1 (en) * 2018-07-20 2020-01-23 Stiebel Eltron Gmbh & Co. Kg Procedure for Displaying Performance Data on the Front of a Tankless Electric Water Heater
JP2020036392A (en) * 2018-08-27 2020-03-05 富士通株式会社 Power monitor
US10740691B2 (en) 2018-10-02 2020-08-11 Sense Labs, Inc. Identifying devices connected to a smart plug
JP7071593B2 (en) * 2018-10-23 2022-05-19 シグニファイ ホールディング ビー ヴィ Lighting control method for accounting of excess power
CN109561551A (en) * 2018-11-15 2019-04-02 欧普照明股份有限公司 A kind of system and method identifying product information
CN109490934B (en) * 2018-12-19 2022-11-25 上海平高天灵开关有限公司 X-ray detection platform for vacuum arc-extinguishing chamber
US11391479B2 (en) 2019-01-24 2022-07-19 Alarm.Com Incorporated HVAC service performance
CN110086336B (en) * 2019-05-31 2021-08-24 矽力杰半导体技术(杭州)有限公司 Power factor correction circuit, control method and controller
US20220299549A1 (en) * 2019-06-25 2022-09-22 Signify Holding B.V. Electrical load grouping
USD944731S1 (en) 2019-07-11 2022-03-01 Sense Labs, Inc. Electrical current sensor
US11536747B2 (en) 2019-07-11 2022-12-27 Sense Labs, Inc. Current transformer with self-adjusting cores
JP6982107B2 (en) * 2019-07-16 2021-12-17 ▲ホウ▼翰創科有限公司 Smart integrated electricity meter and solar panel power management system that adopts the smart integrated electricity meter
IT201900021858A1 (en) * 2019-11-22 2021-05-22 Dev Of Human Genius Ltd METHOD OF REDUCING THE ELECTRICAL CONSUMPTION OF A LOAD
KR102389118B1 (en) * 2019-12-23 2022-04-21 주식회사 엘랩 Apparatus for managing energy of camping car
CN111209083B (en) * 2020-01-08 2023-05-09 中国联合网络通信集团有限公司 Container scheduling method, device and storage medium
WO2021168831A1 (en) * 2020-02-28 2021-09-02 Astec International Limited Power measurements in switched mode power supplies
TWI772783B (en) * 2020-04-24 2022-08-01 旺天電子股份有限公司 Internet of things device, system and power consumption timing method thereof
CN111667636B (en) * 2020-05-15 2022-08-09 江苏帅因特光电科技开发有限公司 Wireless self-service intelligent water heating system
US11567551B2 (en) 2020-07-28 2023-01-31 Rohde & Schwarz Gmbh & Co. Kg Adaptive power supply
CN112345847A (en) * 2020-09-29 2021-02-09 特变电工西安电气科技有限公司 Bridge arm adapter plate for new energy power station semi-physical test and data processing method
US20240083285A1 (en) * 2021-01-20 2024-03-14 Antonio Luis TRIGOSO PAPOILA System for charging electric vehicles with shared resources
KR102420702B1 (en) * 2021-12-02 2022-07-15 (주)파워닉스 Panel-type reactive power compensator directly connected to a high voltage power system
WO2023113796A1 (en) * 2021-12-16 2023-06-22 Safran Passenger Innovations, Llc Systems and methods for adaptive active power factor correction
TWI825667B (en) * 2022-04-13 2023-12-11 宏碁股份有限公司 Power supply device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838145A (en) * 1996-05-30 1998-11-17 Poon; Franki Ngai Kit Transient load corrector for switching converters
CA2552967A1 (en) * 2006-05-12 2007-11-12 John E. Salamon Electric inloop power device for electric power
WO2010085817A1 (en) * 2009-01-26 2010-07-29 Geneva Cleantech Inc. Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429270A (en) * 1982-02-26 1984-01-31 Motorola, Inc. Switched current source for sourcing current to and sinking current from an output node
US5499178A (en) * 1991-12-16 1996-03-12 Regents Of The University Of Minnesota System for reducing harmonics by harmonic current injection
US5477132A (en) * 1992-01-10 1995-12-19 Space Systems/Loral, Inc. Multi-sectioned power converter having current-sharing controller
US5570006A (en) * 1992-01-27 1996-10-29 Power Distribution, Inc. A.C. storage module for reducing harmonic distortion in an A.C. waveform
JPH07212977A (en) * 1994-01-24 1995-08-11 Nissin Electric Co Ltd Reactive power compensator
US5483153A (en) * 1994-03-24 1996-01-09 Massachusetts Institute Of Technology Transient event detector for use in nonintrusive load monitoring systems
US5717325A (en) * 1994-03-24 1998-02-10 Massachusetts Institute Of Technology Multiprocessing transient event detector for use in a nonintrusive electrical load monitoring system
US5572438A (en) * 1995-01-05 1996-11-05 Teco Energy Management Services Engery management and building automation system
JPH10304568A (en) * 1997-04-25 1998-11-13 Sanken Electric Co Ltd Power compensating equipment
US6798341B1 (en) * 1998-05-18 2004-09-28 Leviton Manufacturing Co., Inc. Network based multiple sensor and control device with temperature sensing and control
JP3403368B2 (en) * 1999-02-01 2003-05-06 財団法人電力中央研究所 Electrical equipment monitoring system and abnormal operation alarm system
JP4315529B2 (en) * 1999-07-29 2009-08-19 三洋電機株式会社 Grid interconnection system
IT1310142B1 (en) * 1999-08-20 2002-02-11 Merloni Elettrodomestici Spa DEVICE, SYSTEM AND METHOD FOR THE MONITORING OF A DOMESTIC ELECTRICITY USE, IN PARTICULAR A HOUSEHOLD APPLIANCE.
JP2003143760A (en) * 2001-10-30 2003-05-16 Shinano Denki Kk Power supply apparatus
JP2003333768A (en) * 2002-05-15 2003-11-21 Sharp Corp Method and device for grasping operating state of electric apparatus
JP3892358B2 (en) * 2002-07-23 2007-03-14 財団法人電力中央研究所 Method for estimating the operating state of electrical equipment in which power consumption frequently changes and monitoring system for electrical equipment in which power consumption frequently changes
AU2002348737B2 (en) * 2002-12-19 2008-04-17 Council Of Scientific And Industrial Research An energy efficient data acquisition system and a computer controlled energy monitoring system incorporating the same
JP4052154B2 (en) * 2003-03-14 2008-02-27 株式会社明電舎 Distributed power supply output stabilization device and control method thereof.
JP4175632B2 (en) * 2003-08-27 2008-11-05 学校法人東京電機大学 Power compensation system for single-phase three-wire distribution system
JP4433890B2 (en) * 2004-06-04 2010-03-17 三菱電機株式会社 Electrical equipment operating state estimation system and electrical equipment operating state estimation database construction method
JP4186879B2 (en) * 2004-06-10 2008-11-26 三菱電機株式会社 Living information collection system
JP4852898B2 (en) * 2004-10-29 2012-01-11 東京電力株式会社 Distributed power supply, distribution facility, and power supply method
US7193872B2 (en) * 2005-01-28 2007-03-20 Kasemsan Siri Solar array inverter with maximum power tracking
US7469190B2 (en) * 2005-07-01 2008-12-23 Square D Company Automated system approach to analyzing harmonic distortion in an electric power system
US7319313B2 (en) * 2005-08-10 2008-01-15 Xantrex Technology, Inc. Photovoltaic DC-to-AC power converter and control method
JP4811917B2 (en) * 2005-12-27 2011-11-09 三菱電機株式会社 Power converter
JP5208374B2 (en) * 2006-04-18 2013-06-12 シャープ株式会社 Grid interconnection power conditioner and grid interconnection power system
WO2007139587A1 (en) * 2006-05-26 2007-12-06 The Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The Desert Research Institute Utility monitoring systems and methods of use
JP5019823B2 (en) * 2006-08-16 2012-09-05 三菱電機株式会社 Reactive power compensator
US7804280B2 (en) * 2006-11-02 2010-09-28 Current Technologies, Llc Method and system for providing power factor correction in a power distribution system
KR100804643B1 (en) * 2006-11-30 2008-02-20 삼성전자주식회사 Voltage regulator, digital amplifier including the same, and method of regulating a voltage
US7541941B2 (en) * 2007-03-16 2009-06-02 Greenbox Technology Inc. System and method for monitoring and estimating energy resource consumption
US7834480B2 (en) * 2007-06-20 2010-11-16 Mesta Electronics, Inc. Energy converter system with reactive-power-management
US7693670B2 (en) * 2007-08-14 2010-04-06 General Electric Company Cognitive electric power meter
JP5539879B2 (en) * 2007-09-18 2014-07-02 フライバック エネルギー,インク. Current waveform structure that generates AC power with low harmonic distortion from a local energy source
US8255090B2 (en) * 2008-02-01 2012-08-28 Energyhub System and method for home energy monitor and control
US8773827B2 (en) * 2008-02-19 2014-07-08 Simply Automated Incorporated Intelligent circuit breaker apparatus and methods
CN201286066Y (en) * 2008-08-21 2009-08-05 上海中区节电科技有限公司 Dual PWM inverter with energy capable of bidirectional flowing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838145A (en) * 1996-05-30 1998-11-17 Poon; Franki Ngai Kit Transient load corrector for switching converters
CA2552967A1 (en) * 2006-05-12 2007-11-12 John E. Salamon Electric inloop power device for electric power
WO2010085817A1 (en) * 2009-01-26 2010-07-29 Geneva Cleantech Inc. Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011091441A1 *

Also Published As

Publication number Publication date
JP2013518347A (en) 2013-05-20
CN102823123A (en) 2012-12-12
CN102822639A (en) 2012-12-12
JP5865842B2 (en) 2016-02-17
KR20120118049A (en) 2012-10-25
EP2529473A1 (en) 2012-12-05
WO2011091444A1 (en) 2011-07-28
JP2016140239A (en) 2016-08-04
EP2529190A1 (en) 2012-12-05
JP2013518556A (en) 2013-05-20
CN102822639B (en) 2016-01-13
KR20120138753A (en) 2012-12-26
EP2529190A4 (en) 2015-02-25
WO2011091441A1 (en) 2011-07-28

Similar Documents

Publication Publication Date Title
EP2529473A4 (en) Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
EP2389714A4 (en) Methods and apparatus for power factor correction and reduction of distortion in and noise in a power supply delivery network
EP2609777A4 (en) Apparatus and method for power saving in an ad hoc network
GB2509044B (en) Humidified gases delivery apparatus and methods for controlling same
ZA201105410B (en) Method and apparatus for secure energy delivery
GB2472050B (en) Power management apparatus and methods
GB2472051B (en) Power management apparatus and methods
EP2688179A4 (en) Power supply apparatus and power supply method
IL217220A0 (en) Power line communication method and apparatus
EP2643960A4 (en) Method and arrangement for enabling service delivery in a telecommunications network
GB2477986B (en) Method and apparatus for crest factor reduction
EP2696927A4 (en) Gas delivery method and apparatus
EP2599230A4 (en) Apparatus and method for controlling session connection in communication system
GB2485156B (en) Method and apparatus for securing network communications
EP2585995A4 (en) Methods and apparatus for providing a tote delivery option
GB201102262D0 (en) Coating delivery method and apparatus
EP2624660A4 (en) Method and apparatus for establishing network in wireless network
HUE047087T2 (en) Method and apparatus for supporting location services via a generic location session
EP2766986A4 (en) Apparatus and method for improving efficiency in power amplifier
EP2554014A4 (en) Methods and apparatuses for facilitating error correction through cooperative peer-to-peer repair
GB0909704D0 (en) Coating delivery method and apparatus
EP2656671A4 (en) Methods and apparatuses for communication in a personal area network
EP2658082A4 (en) Electricity management apparatus and electricity management method
GB201001190D0 (en) Method and apparatus to reduce feedback between handsets in a communication system
EP2461519A4 (en) Method and apparatus for managing self-healing function in wireless network

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120824

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150723

RIC1 Information provided on ipc code assigned before grant

Ipc: H02J 3/18 20060101ALN20150717BHEP

Ipc: G01D 4/00 20060101ALN20150717BHEP

Ipc: H02M 1/12 20060101AFI20150717BHEP

Ipc: G05F 1/70 20060101ALI20150717BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170801