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 PDF

Info

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
Application number
PCT/IN2014/000296
Other languages
French (fr)
Other versions
WO2014192014A2 (en
Inventor
Madhuwanti Joshi
Original Assignee
Indian Institute Of Technology Bombay
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 Indian Institute Of Technology Bombay filed Critical Indian Institute Of Technology Bombay
Publication of WO2014192014A2 publication Critical patent/WO2014192014A2/en
Publication of WO2014192014A3 publication Critical patent/WO2014192014A3/en

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
    • 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
    • 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.
PCT/IN2014/000296 2013-05-02 2014-05-02 Method and system for a low cost bi-directional grid tied photovoltaic (pv) micro inverter WO2014192014A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1597MU2013 2013-05-02
IN1597/MUM/2013 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)

* Cited by examiner, † Cited by third party
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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016081473A1 (en) * 2014-11-17 2016-05-26 Shibashis Bhowmik 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
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
WO2014192014A2 (en) 2014-12-04

Similar Documents

Publication Publication Date Title
WO2014192014A3 (en) Method and system for a low cost bi-directional grid tied photovoltaic (pv) micro inverter
IN2014DN08268A (en)
WO2015067202A3 (en) Startup method and system for resonant converters
IN2014DE03445A (en)
WO2014056668A3 (en) Multi-string inverter having input-side emc filter
WO2011134057A8 (en) Power converter for a power generator
EP2861047A3 (en) Multifunction power converter with option for integrated magnetics
WO2012156261A3 (en) Converter arrangement
WO2017076366A8 (en) Five-voltage level inverter topology circuit, and three-phase and five-voltage level inverter topology circuit
WO2016133684A3 (en) Adaptive ac power exchanger
EP2230741A3 (en) Power conditioning circuit utilizing high oersted rating inductors
WO2016081473A1 (en) Converter with phase-offset switching
IN2014CN00596A (en)
WO2011128849A3 (en) System for managing a series combination of electrical energy generation or storage elements, based on a plurality of voltage inverter legs
MX2014000773A (en) Power conversion device.
WO2013105017A3 (en) Inverter with less snubber capacitors
RU2016116013A (en) MULTILEVEL INVERTER
WO2011012689A3 (en) A high-voltage frequency conversion device
WO2014108257A3 (en) Voltage source converter
WO2013092046A3 (en) Rectifier circuit
WO2013092038A3 (en) Rectifier circuit
MX2016004075A (en) Semiconductor stack for converter with snubber capacitors.
WO2015073224A3 (en) Methods to form and operate multi-terminal power systems
MX2015013984A (en) Power conversion device.
CN106416031A (en) Transient current protection device for electrical energy conversion systems connected to the power grid

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14803779

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 14803779

Country of ref document: EP

Kind code of ref document: A2