WO2009140543A3 - System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking - Google Patents

System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking Download PDF

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Publication number
WO2009140543A3
WO2009140543A3 PCT/US2009/044027 US2009044027W WO2009140543A3 WO 2009140543 A3 WO2009140543 A3 WO 2009140543A3 US 2009044027 W US2009044027 W US 2009044027W WO 2009140543 A3 WO2009140543 A3 WO 2009140543A3
Authority
WO
WIPO (PCT)
Prior art keywords
maximum power
power point
point tracking
local
operating frequency
Prior art date
Application number
PCT/US2009/044027
Other languages
French (fr)
Other versions
WO2009140543A2 (en
Inventor
Jianhui Zhang
Ali Djabbari
Gianpaolo Lisi
Original Assignee
National Semiconductor Corporation
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 US12/152,491 external-priority patent/US7969133B2/en
Application filed by National Semiconductor Corporation filed Critical National Semiconductor Corporation
Priority to JP2011509717A priority Critical patent/JP2011522313A/en
Priority to CN2009801235497A priority patent/CN102067436A/en
Priority to EP09747624A priority patent/EP2291898A4/en
Publication of WO2009140543A2 publication Critical patent/WO2009140543A2/en
Publication of WO2009140543A3 publication Critical patent/WO2009140543A3/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

A system for integrating local maximum power point tracking (MPPT) into an energy generating system (10) having centralized MPPT is provided. The system (10) includes a system control loop (16,32,22) and a plurality of local control loops (12,14). The system control loop (16,32,22) comprises a system operating frequency, and each local control loop (12,14) comprises a corresponding local operating frequency. Each of the local operating frequencies is spaced apart from the system operating frequency by at least a predefined distance. For a particular embodiment, a settling time corresponding to the local operating frequency of each local control loop (12,14) is at least five times faster than a time constant corresponding to the system operating frequency.
PCT/US2009/044027 2008-05-14 2009-05-14 System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking WO2009140543A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011509717A JP2011522313A (en) 2008-05-14 2009-05-14 System and method for incorporating local maximum power point tracking in an energy generation system with central maximum power point tracking
CN2009801235497A CN102067436A (en) 2008-05-14 2009-05-14 System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking
EP09747624A EP2291898A4 (en) 2008-05-14 2009-05-14 System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12/152,491 2008-05-14
US12/152,491 US7969133B2 (en) 2008-05-14 2008-05-14 Method and system for providing local converters to provide maximum power point tracking in an energy generating system
US17057809P 2009-04-17 2009-04-17
US61/170,578 2009-04-17

Publications (2)

Publication Number Publication Date
WO2009140543A2 WO2009140543A2 (en) 2009-11-19
WO2009140543A3 true WO2009140543A3 (en) 2010-02-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/044027 WO2009140543A2 (en) 2008-05-14 2009-05-14 System and method for integrating local maximum power point tracking into an energy generating system having centralized maximum power point tracking

Country Status (6)

Country Link
EP (1) EP2291898A4 (en)
JP (1) JP2011522313A (en)
KR (1) KR20110014201A (en)
CN (1) CN102067436A (en)
TW (1) TW201013361A (en)
WO (1) WO2009140543A2 (en)

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US11855231B2 (en) 2006-12-06 2023-12-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11979037B2 (en) 2012-01-11 2024-05-07 Solaredge Technologies Ltd. Photovoltaic module

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US11264947B2 (en) 2007-12-05 2022-03-01 Solaredge Technologies Ltd. Testing of a photovoltaic panel
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US10673222B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
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US10673229B2 (en) 2010-11-09 2020-06-02 Solaredge Technologies Ltd. Arc detection and prevention in a power generation system
US10230310B2 (en) 2016-04-05 2019-03-12 Solaredge Technologies Ltd Safety switch for photovoltaic systems
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US8570005B2 (en) 2011-09-12 2013-10-29 Solaredge Technologies Ltd. Direct current link circuit
CN102355165B (en) * 2011-09-30 2013-11-06 浙江大学 Photovoltaic power generation device with global maximum power output function
WO2013105008A2 (en) * 2012-01-11 2013-07-18 Koninklijke Philips N.V. Solar power converter and method of controlling solar power conversion
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US9853565B2 (en) 2012-01-30 2017-12-26 Solaredge Technologies Ltd. Maximized power in a photovoltaic distributed power system
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US20140103892A1 (en) * 2012-10-16 2014-04-17 Volterra Semiconductor Corporation Scalable maximum power point tracking controllers and associated methods
US9548619B2 (en) 2013-03-14 2017-01-17 Solaredge Technologies Ltd. Method and apparatus for storing and depleting energy
KR101468133B1 (en) * 2013-03-28 2014-12-04 삼성중공업 주식회사 Solar generating system
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US11569660B2 (en) 2006-12-06 2023-01-31 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11855231B2 (en) 2006-12-06 2023-12-26 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US11569659B2 (en) 2006-12-06 2023-01-31 Solaredge Technologies Ltd. Distributed power harvesting systems using DC power sources
US8093756B2 (en) 2007-02-15 2012-01-10 Ampt, Llc AC power systems for renewable electrical energy
US8242634B2 (en) 2007-10-15 2012-08-14 Ampt, Llc High efficiency remotely controllable solar energy system
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Also Published As

Publication number Publication date
EP2291898A2 (en) 2011-03-09
EP2291898A4 (en) 2013-01-23
TW201013361A (en) 2010-04-01
WO2009140543A2 (en) 2009-11-19
KR20110014201A (en) 2011-02-10
CN102067436A (en) 2011-05-18
JP2011522313A (en) 2011-07-28

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