WO2003007464A3 - Trasformerless static voltage inverter for battery systems - Google Patents

Trasformerless static voltage inverter for battery systems Download PDF

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Publication number
WO2003007464A3
WO2003007464A3 PCT/IT2002/000448 IT0200448W WO03007464A3 WO 2003007464 A3 WO2003007464 A3 WO 2003007464A3 IT 0200448 W IT0200448 W IT 0200448W WO 03007464 A3 WO03007464 A3 WO 03007464A3
Authority
WO
WIPO (PCT)
Prior art keywords
elementary
output
chain
power switches
intermediate tap
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.)
Ceased
Application number
PCT/IT2002/000448
Other languages
French (fr)
Other versions
WO2003007464A2 (en
Inventor
Placido Maria Spaziante
Krisada Kampanatsanyakorn
Andrea Zocchi
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.)
Squirrel Holdings Ltd
Original Assignee
Squirrel Holdings Ltd
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 Squirrel Holdings Ltd filed Critical Squirrel Holdings Ltd
Priority to EP02751613A priority Critical patent/EP1407534A2/en
Priority to AU2002354596A priority patent/AU2002354596A1/en
Priority to BR0205733-6A priority patent/BR0205733A/en
Priority to KR10-2003-7003482A priority patent/KR20030029958A/en
Publication of WO2003007464A2 publication Critical patent/WO2003007464A2/en
Publication of WO2003007464A3 publication Critical patent/WO2003007464A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • H02M7/483—Converters with outputs that each can have more than two voltages levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A static inverter for a battery of elementary current sources or cells electrically in series and a number N of intermediate voltage taps along the chain of elementary DC current sources, wherein the number of elementary cells comprised between an intermediate tap and another intermediate tap adjacent to it or an end terminal of said chain is proportionate to the amplitude in the respective phase interval of a number N of discretization phases of the waveform of the AC voltage to be output in a quadrant; is implemented by arranging for: a number N of power switches (Q1-Q12) each connecting a respective intermediate tap and a first end terminal of a first polarity of said chain of elementary cells in series to a common circuit node of said first polarity; an output bridge stage constituted by at least four power switches (Q13-Q16) controlled in pairs for switching the current paths through the bridge stage, and a control circuit sequentially and cyclically turning on, in a continuous manner, one switch at the time of said N switches; each for a phase interval of 1/(4N) times the period of said AC output, and alternately turning on by pairs said four power switches of said output bridge stage at every half a period.
PCT/IT2002/000448 2001-07-11 2002-07-09 Trasformerless static voltage inverter for battery systems Ceased WO2003007464A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02751613A EP1407534A2 (en) 2001-07-11 2002-07-09 Trasformerless static voltage inverter for battery systems
AU2002354596A AU2002354596A1 (en) 2001-07-11 2002-07-09 Trasformerless static voltage inverter for battery systems
BR0205733-6A BR0205733A (en) 2001-07-11 2002-07-09 Transformerless voltage inverter for battery systems
KR10-2003-7003482A KR20030029958A (en) 2001-07-11 2002-07-09 Trasformerless static voltage inverter for battery systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVA2001A000022 2001-07-11
IT2001VA000022A ITVA20010022A1 (en) 2001-07-11 2001-07-11 STATIC VOLTAGE INVERTER FOR BATTERY SYSTEM

Publications (2)

Publication Number Publication Date
WO2003007464A2 WO2003007464A2 (en) 2003-01-23
WO2003007464A3 true WO2003007464A3 (en) 2003-09-25

Family

ID=11460865

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2002/000448 Ceased WO2003007464A2 (en) 2001-07-11 2002-07-09 Trasformerless static voltage inverter for battery systems

Country Status (9)

Country Link
US (1) US7046531B2 (en)
EP (1) EP1407534A2 (en)
KR (1) KR20030029958A (en)
CN (1) CN1526193A (en)
AU (1) AU2002354596A1 (en)
BR (1) BR0205733A (en)
IT (1) ITVA20010022A1 (en)
WO (1) WO2003007464A2 (en)
ZA (1) ZA200301352B (en)

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Also Published As

Publication number Publication date
ZA200301352B (en) 2004-03-30
ITVA20010022A1 (en) 2003-01-11
US7046531B2 (en) 2006-05-16
CN1526193A (en) 2004-09-01
US20050007797A1 (en) 2005-01-13
BR0205733A (en) 2004-01-06
WO2003007464A2 (en) 2003-01-23
KR20030029958A (en) 2003-04-16
AU2002354596A1 (en) 2003-01-29
EP1407534A2 (en) 2004-04-14

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