WO2014192014A3 - Method and system for a low cost bi-directional grid tied photovoltaic (pv) micro inverter - Google Patents
Method and system for a low cost bi-directional grid tied photovoltaic (pv) micro inverter Download PDFInfo
- Publication number
- WO2014192014A3 WO2014192014A3 PCT/IN2014/000296 IN2014000296W WO2014192014A3 WO 2014192014 A3 WO2014192014 A3 WO 2014192014A3 IN 2014000296 W IN2014000296 W IN 2014000296W WO 2014192014 A3 WO2014192014 A3 WO 2014192014A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- low cost
- directional
- micro inverter
- grid tied
- directional grid
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4807—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode having a high frequency intermediate AC stage
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- 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
-
- 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
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- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The proposed invention is a Low cost bi-directional Photovoltaic (PV) microinverter providing bi-directional power flow between a load and plurality of power sources and also between said plurality of power sources. It has a cascade connection of a decoupling capacitor, a switching stage having half bridge configuration, a resonant tank circuit (series connection of inductor and capacitor), a high frequency transformer, filter capacitors and a low frequency switching network consisting of semiconductor switches configured in full bridge arrangement.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN1597/MUM/2013 | 2013-05-02 | ||
IN1597MU2013 | 2013-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2014192014A2 WO2014192014A2 (en) | 2014-12-04 |
WO2014192014A3 true WO2014192014A3 (en) | 2015-05-07 |
Family
ID=51989485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2014/000296 WO2014192014A2 (en) | 2013-05-02 | 2014-05-02 | Method and system for a low cost bi-directional grid tied photovoltaic (pv) micro inverter |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2014192014A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107925361A (en) * | 2015-06-12 | 2018-04-17 | 汪洪亮 | Multi-electrical level inverter topological circuit |
CN108282098A (en) * | 2017-12-29 | 2018-07-13 | 武汉大学 | A kind of New Cascading type transducer power decoupling control method |
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US10348180B2 (en) * | 2014-11-17 | 2019-07-09 | Sinewatts, Inc. | Converter with phase-offset switching |
US10938218B2 (en) | 2015-12-28 | 2021-03-02 | Sunpower Corporation | Solar tracker system |
US10236690B2 (en) * | 2016-06-30 | 2019-03-19 | Sunpower Corporation | Backfeed power supply for solar power system |
WO2019098709A1 (en) * | 2017-11-15 | 2019-05-23 | Lg Electronics Inc. | Photovoltaic module |
CN109617041B (en) * | 2019-02-21 | 2023-10-24 | 西南交通大学 | Energy management and control device of photovoltaic energy storage system |
FR3097701B1 (en) * | 2019-06-24 | 2022-01-21 | Valeo Systemes De Controle Moteur | Electric circuit for charging a DC voltage source |
WO2022190044A1 (en) * | 2021-03-11 | 2022-09-15 | Khalifa University of Science and Technology | Multiport converters, multiple-input multiple-output converters, and power-down modes for satellite electric power systems |
WO2023226724A1 (en) * | 2022-05-26 | 2023-11-30 | 上海交通大学 | Method for improving efficiency of micro-inverter, and dual-active-bridge-type micro-inverter |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040179381A1 (en) * | 2003-03-13 | 2004-09-16 | Honda Motor Co., Ltd | Two-way DC-DC converter |
US20110181128A1 (en) * | 2010-01-22 | 2011-07-28 | Massachusetts Institute Of Technology | Grid-tied power conversion circuits and related techniques |
WO2011102910A1 (en) * | 2010-02-22 | 2011-08-25 | Petra Solar Inc. | Method and system for controlling resonant converters used in solar inverters |
US20120081934A1 (en) * | 2011-11-01 | 2012-04-05 | Paul Garrity | Photovoltaic power conditioning units |
US20120087157A1 (en) * | 2010-10-08 | 2012-04-12 | Industrial Technology Research Institute | Dc-to-ac power inverting apparatus for photovoltaic modules |
US20120098346A1 (en) * | 2011-11-25 | 2012-04-26 | Paul Garrity | Renewable Energy Power Generation Systems |
WO2012150933A1 (en) * | 2011-05-03 | 2012-11-08 | Petra Solar, Inc. | Topology and control for distributed var generating solar inverters |
US20130057200A1 (en) * | 2011-06-22 | 2013-03-07 | Eetrex, Incorporated | Bidirectional inverter-charger |
-
2014
- 2014-05-02 WO PCT/IN2014/000296 patent/WO2014192014A2/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040179381A1 (en) * | 2003-03-13 | 2004-09-16 | Honda Motor Co., Ltd | Two-way DC-DC converter |
US20110181128A1 (en) * | 2010-01-22 | 2011-07-28 | Massachusetts Institute Of Technology | Grid-tied power conversion circuits and related techniques |
WO2011102910A1 (en) * | 2010-02-22 | 2011-08-25 | Petra Solar Inc. | Method and system for controlling resonant converters used in solar inverters |
US20120087157A1 (en) * | 2010-10-08 | 2012-04-12 | Industrial Technology Research Institute | Dc-to-ac power inverting apparatus for photovoltaic modules |
WO2012150933A1 (en) * | 2011-05-03 | 2012-11-08 | Petra Solar, Inc. | Topology and control for distributed var generating solar inverters |
US20130057200A1 (en) * | 2011-06-22 | 2013-03-07 | Eetrex, Incorporated | Bidirectional inverter-charger |
US20120081934A1 (en) * | 2011-11-01 | 2012-04-05 | Paul Garrity | Photovoltaic power conditioning units |
US20120098346A1 (en) * | 2011-11-25 | 2012-04-26 | Paul Garrity | Renewable Energy Power Generation Systems |
Non-Patent Citations (1)
Title |
---|
JIANG ET AL.: "Grid-Connected Boost-Half-Bridge Photovoltaic Microinverter System Using Repetitive Current Control and Maximum Power Point Tracking.", IEEE TRANSACTIONS ON POWER ELECTRONICS, vol. 27, no. 11., November 2012 (2012-11-01), Retrieved from the Internet <URL:http://pgembeddedsystems.com/securelogin/upload/project/IEEE/15/PG2012PE84/grid-connected_boost-half-bridge_photovoltaic_microinverter_system_using_repetitive_current_contr.pdf> [retrieved on 20150224] * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107925361A (en) * | 2015-06-12 | 2018-04-17 | 汪洪亮 | Multi-electrical level inverter topological circuit |
CN107925361B (en) * | 2015-06-12 | 2020-01-24 | 汪洪亮 | Multilevel inverter topology circuit |
CN108282098A (en) * | 2017-12-29 | 2018-07-13 | 武汉大学 | A kind of New Cascading type transducer power decoupling control method |
Also Published As
Publication number | Publication date |
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WO2014192014A2 (en) | 2014-12-04 |
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