DK2587620T3 - DC bus-udligningskredsløb - Google Patents

DC bus-udligningskredsløb Download PDF

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Publication number
DK2587620T3
DK2587620T3 DK13152794.7T DK13152794T DK2587620T3 DK 2587620 T3 DK2587620 T3 DK 2587620T3 DK 13152794 T DK13152794 T DK 13152794T DK 2587620 T3 DK2587620 T3 DK 2587620T3
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DK
Denmark
Prior art keywords
switches
coupled
voltage
switch
converter
Prior art date
Application number
DK13152794.7T
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English (en)
Inventor
Henning Roar Nielsen
Original Assignee
Schneider Electric It Corp
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.)
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Publication of DK2587620T3 publication Critical patent/DK2587620T3/da

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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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/102—Parallel operation of dc sources being switching converters
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • 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
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • 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
    • H02M7/487—Neutral point clamped inverters
    • 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
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dc-Dc Converters (AREA)
  • Inverter Devices (AREA)
  • Rectifiers (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (10)

1. Kredsløb (1200) til anvendelse med fireniveau-jævnstrøm omfattende første, anden, tredje, og fjerde spændinger, hvilket kredsløb omfatter: første, anden, tredje, og fjerde knudepunkter (1310, 1311, 1313, 1314) konfigureret til at modtage fireniveau-jævnstrømmen; første, anden, tredje, fjerde, femte, og sjette omskiftere (1235, 1245, 1255, 1265, 1275, 1285) koblet i serie mellem de første og fjerde knudepunkter, hvor det andet knudepunkt er koblet til en forgrening af de anden og tredje omskiftere og det tredje knudepunkt er koblet til en forgrening af de fjerde og femte omskiftere; en første diode (1240) koblet i parallel med den første omskifter; en anden diode (1250) koblet i parallel med den anden omskifter; en tredje diode (1260) koblet i parallel med den tredje omskifter; en fjerde diode (1270) koblet i parallel med den fjerde omskifter; en femte diode (1280) koblet i parallel med den femte omskifter; en sjette diode (1290) koblet i parallel med den sjette omskifter; en første resonanstank (1320) koblet til en forgrening af de første og anden omskiftere og til forgreningen af de tredje og fjerde omskiftere; og en anden resonanstank (1325) koblet til forgreningen af de tredje og fjerde omskiftere og til forgreningen af de femte og sjette omskiftere; hvor de første og anden resonanstanke er konfigureret til at lagre; og hvor de første, anden, tredje, fjerde, femte og sjette omskiftere er konfigureret til at skifte energi mellem mindst to at de første, anden, tredje, og fjerde knudepunkter hvis en absolut værdi af den første spænding adskiller sig fra en absolut værdi af den fjerde spænding; ved anvendelse af de første og anden resonanstanke og hvor de første, anden, tredje, fjerde, femte og sjette omskiftere er konfigureret til at skifte energi mellem mindst to at de første, anden, tredje, og fjerde knudepunkter hvis en absolut værdi af den anden spænding adskiller sig fra en absolut værdi af den tredje spænding ved anvendelse af de første og anden resonanstanke.
2. Kredsløbet ifølge krav 1 hvor: den første resonanstank omfatter en første kondensator (1225) koblet i serie med en første induktor (1295); og den anden resonanstank omfatter en anden kondensator (1230) koblet i serie med en anden induktor (1300).
3. Kredsløbet ifølge krav 1, hvor kredsløbet yderligere omfatter en kontroller (1315) konfigureret til at koble de første, anden, tredje, fjerde, femte, og sjette omskiftere i respektive til- og fra-tilstande.
4. Kredsløbet ifølge krav 3, hvor kontrolleren er en pulsbreddemodulations-(PWM) -kontroller (1315).
5. Kredsløbet ifølge krav 3, hvor kontrolleren er konfigureret til at forårsage kredsløbet til at drives i en af to tilstande, hvor: i en første tilstand de første, tredje, og femte omskiftere i de respektive til-tilstande og de anden, fjerde, og sjette omskiftere er i deres respektive fra-tilstande; og i en anden tilstand er de første, tredje, og femte omskiftere i deres respektive fra-tilstande og de anden, fjerde, og sjette omskiftere er koblet i deres respektive til-tilstande.
6. Kredsløbet ifølge krav 5, hvor kontrolleren er konfigureret til at forårsage kredsløbet til gentaget at veksle mellem den første og den anden tilstand ved en frekvens i det væsentlige lig med resonansfrekvenserne for de første og anden resonanstanke.
7. Kredsløbet ifølge krav 5, hvor kontrolleren er konfigureret til at forårsage kredsløbet til gentaget at veksle mellem de første og anden tilstande sådan at amplituder af firkantimpulser induceret ved knudepunkter af de anden og tredje omskiftere, de tredje og fjerde omskiftere, og de femte og sjette omskiftere er i det væsentlige ens når de absolutte værdier af de første og fjerde spændinger er i det væsentlige ens med og de absolutte værdier af de anden og tredje spændinger er i det væsentlige ens.
8. Kredsløbet ifølge krav 3, hvor kontrolleren er konfigureret til forårsage de første, anden, tredje, fjerde, femte, og sjette omskiftere til at veksle mellem tilog fra-tilstanden ved i det væsentlige en 50%'s driftsperiode.
9. Kredsløbet ifølge krav 1 yderligere omfattende en tredje induktor (1305) koblet mellem forgreningen af de tredje og fjerde omskiftere og en neutral.
10. Kredsløbet ifølge krav 1 yderligere omfattende: en første kondensator (1205) koblet mellem det første knudepunkt og det andet knudepunkt; en anden kondensator (1210) koblet mellem det andet knudepunkt og neutral; en tredje kondensator (1215) koblet mellem det neutrale og det tredje knudepunkt; og en fjerde kondensator (1220) koblet mellem det tredje knudepunkt og det fjerde knudepunkt.
DK13152794.7T 2007-02-21 2008-02-20 DC bus-udligningskredsløb DK2587620T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/677,303 US7688048B2 (en) 2007-02-21 2007-02-21 3-phase high power UPS
EP08730212.1A EP2122796B1 (en) 2007-02-21 2008-02-20 3-phase high power ups

Publications (1)

Publication Number Publication Date
DK2587620T3 true DK2587620T3 (da) 2015-08-31

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DK08730212.1T DK2122796T3 (da) 2007-02-21 2008-02-20 3-faset højeffekt kontinuerlig strømforsyning

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US (4) US7688048B2 (da)
EP (2) EP2587620B1 (da)
JP (1) JP5059879B2 (da)
KR (2) KR101521137B1 (da)
CN (1) CN101657946B (da)
AU (1) AU2008218769B2 (da)
CA (1) CA2678878A1 (da)
DK (2) DK2587620T3 (da)
ES (2) ES2553007T3 (da)
WO (1) WO2008103696A2 (da)

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