WO2006071436A3 - A converter circuit and technique for increasing the output efficiency of a variable power source - Google Patents

A converter circuit and technique for increasing the output efficiency of a variable power source Download PDF

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Publication number
WO2006071436A3
WO2006071436A3 PCT/US2005/043230 US2005043230W WO2006071436A3 WO 2006071436 A3 WO2006071436 A3 WO 2006071436A3 US 2005043230 W US2005043230 W US 2005043230W WO 2006071436 A3 WO2006071436 A3 WO 2006071436A3
Authority
WO
WIPO (PCT)
Prior art keywords
converter circuit
technique
power source
output
increasing
Prior art date
Application number
PCT/US2005/043230
Other languages
French (fr)
Other versions
WO2006071436A2 (en
Inventor
Stefan Matan
Original Assignee
Isg Technologies Llc
Stefan Matan
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 Isg Technologies Llc, Stefan Matan filed Critical Isg Technologies Llc
Publication of WO2006071436A2 publication Critical patent/WO2006071436A2/en
Publication of WO2006071436A3 publication Critical patent/WO2006071436A3/en

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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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Dc-Dc Converters (AREA)
  • Photovoltaic Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention provides a converter circuit (300) and accompanying switch mode power conversion (315) technique to efficiently capture the power generated from a solar cell array (210) that would normally have been lost, for example, under reduced incident solar radiation. In an embodiment of the invention, the converter circuit generates an output current from the solar cell power source using a switch mode power converter. A control loop is closed around the input voltage to the converter circuit and not around the output voltage. The output voltage is allowed to float, being clamped by the loading conditions. If the outputs from multiple units are tied together, the currents will sum. If the output(s) are connected to a battery (220), the battery's potential will clamp the voltage during charge. This technique allows all solar cells in an array that are producing power and connected in parallel to work at their peak efficiency.
PCT/US2005/043230 2004-12-29 2005-11-29 A converter circuit and technique for increasing the output efficiency of a variable power source WO2006071436A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64008304P 2004-12-29 2004-12-29
US60/640,083 2004-12-29

Publications (2)

Publication Number Publication Date
WO2006071436A2 WO2006071436A2 (en) 2006-07-06
WO2006071436A3 true WO2006071436A3 (en) 2007-01-18

Family

ID=36615368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/043230 WO2006071436A2 (en) 2004-12-29 2005-11-29 A converter circuit and technique for increasing the output efficiency of a variable power source

Country Status (1)

Country Link
WO (1) WO2006071436A2 (en)

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US8531055B2 (en) 2006-12-06 2013-09-10 Solaredge Ltd. Safety mechanisms, wake up and shutdown methods in distributed power installations
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US11264947B2 (en) 2007-12-05 2022-03-01 Solaredge Technologies Ltd. Testing of a photovoltaic panel
US8289742B2 (en) 2007-12-05 2012-10-16 Solaredge Ltd. Parallel connected inverters
US8111052B2 (en) 2008-03-24 2012-02-07 Solaredge Technologies Ltd. Zero voltage switching
WO2009136358A1 (en) 2008-05-05 2009-11-12 Solaredge Technologies Ltd. Direct current power combiner
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US20160065127A1 (en) 2009-08-14 2016-03-03 Newdoll Enterprises Llc Enhanced solar panels, liquid delivery systems and associated processes for solar energy systems
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US10230310B2 (en) 2016-04-05 2019-03-12 Solaredge Technologies Ltd Safety switch for photovoltaic systems
GB2486408A (en) 2010-12-09 2012-06-20 Solaredge Technologies Ltd Disconnection of a string carrying direct current
GB2483317B (en) 2011-01-12 2012-08-22 Solaredge Technologies Ltd Serially connected inverters
US8570005B2 (en) 2011-09-12 2013-10-29 Solaredge Technologies Ltd. Direct current link circuit
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GB2498791A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Photovoltaic panel circuitry
US9853565B2 (en) 2012-01-30 2017-12-26 Solaredge Technologies Ltd. Maximized power in a photovoltaic distributed power system
GB2498790A (en) 2012-01-30 2013-07-31 Solaredge Technologies Ltd Maximising power in a photovoltaic distributed power system
GB2499991A (en) 2012-03-05 2013-09-11 Solaredge Technologies Ltd DC link circuit for photovoltaic array
US10115841B2 (en) 2012-06-04 2018-10-30 Solaredge Technologies Ltd. Integrated photovoltaic panel circuitry
US9548619B2 (en) 2013-03-14 2017-01-17 Solaredge Technologies Ltd. Method and apparatus for storing and depleting energy
US9941813B2 (en) 2013-03-14 2018-04-10 Solaredge Technologies Ltd. High frequency multi-level inverter
US9397497B2 (en) 2013-03-15 2016-07-19 Ampt, Llc High efficiency interleaved solar power supply system
EP2779251B1 (en) 2013-03-15 2019-02-27 Solaredge Technologies Ltd. Bypass mechanism
US9318974B2 (en) 2014-03-26 2016-04-19 Solaredge Technologies Ltd. Multi-level inverter with flying capacitor topology
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US11018623B2 (en) 2016-04-05 2021-05-25 Solaredge Technologies Ltd. Safety switch for photovoltaic systems

Citations (2)

* Cited by examiner, † Cited by third party
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US6844739B2 (en) * 2001-03-09 2005-01-18 National Institute Of Advanced Industrial Science And Technology Maximum power point tracking method and device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6448489B2 (en) * 2000-04-28 2002-09-10 Sharp Kabushiki Kaisha Solar generation system
US6844739B2 (en) * 2001-03-09 2005-01-18 National Institute Of Advanced Industrial Science And Technology Maximum power point tracking method and device

Also Published As

Publication number Publication date
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