DK2383878T3 - System og fremgangsmåde til beskyttelse af en flerniveauomformer - Google Patents

System og fremgangsmåde til beskyttelse af en flerniveauomformer Download PDF

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Publication number
DK2383878T3
DK2383878T3 DK11163978T DK11163978T DK2383878T3 DK 2383878 T3 DK2383878 T3 DK 2383878T3 DK 11163978 T DK11163978 T DK 11163978T DK 11163978 T DK11163978 T DK 11163978T DK 2383878 T3 DK2383878 T3 DK 2383878T3
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DK
Denmark
Prior art keywords
converter
level
switching devices
switching
phase
Prior art date
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DK11163978T
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English (en)
Inventor
Robert Roesner
Stefan Schroeder
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Gen Electric
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Publication of DK2383878T3 publication Critical patent/DK2383878T3/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
    • 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
    • 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
    • H02M1/32—Means for protecting converters other than automatic disconnection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Protection Of Static Devices (AREA)

Claims (7)

1. Treniveau Neutral Point Clamped (NPC) -omformer (78) omfattende: en flerhed af faseben som hver har mindst to indre skifteindretninger (50,52), mindst to ydre skifteindretninger (48,54) og mindst to klampedioder (56,58); og kendetegnet ved: et beskyttelseskredsløb (80) omfattende et indre komponentfejldetektionskredsløb (102) til at detektere en fejltilstand i en hvilken som helst af de indre skifteindretninger (50) eller klampedioder, et gatingsignalgenereringskredsløb (106) konfigureret til at generere et tænd-signal til at tænde en respektiv ydre skifteindretning (48) som er tilstødende den fejlede indre skifteindretning (50) eller den fejlede klampediode, og hvor, ved detektering af fejltilstanden, gatingsignalgenereringskredsløbet (106) er yderligere konfigureret til at generere sluk-signaler til at slukke alle de tilbageværende skifteindretninger i treniveau-NPC-omformeren.
2. Treniveau-NPC-omformer (78) ifølge krav 1, hvor treniveau-omformeren omfatter en enkeltfase treniveau-omformer.
3. Treniveau NPC-omformer (78) ifølge krav 1, hvor treniveau-omformeren omfatter en trefase treniveau-omformer.
4. Treniveau NPC-omformer (78) ifølge et hvilket som helst af de foregående krav, hvor de indre og ydre skifteindretninger (48,50,52,54) er valgt fra gruppen bestående af IGBT'er, IGCT'er, MCT'er, MTO'er, og MOSFET'er.
5. Fremgangsmåde til beskyttelse afen treniveau strømomformer (78) omfattende DC-linkkondensatorer og faseben som inkluderer skifteindretninger og forbundet til et kraftnetværk, fremgangsmåden omfattende: at blokere ladning af mindst en DC-linkkondensator (206,208) ved at kortslutte kraftnetværket igennem netværksimpedanser og at slukke mindst nogle af skifteindretningerne; kendetegnet ved at: at blokere omfatter at tænde en tilstødende ydre skifteindretning (48,54) til en fejlet indre komponent af treniveau-omformeren (78); og hvor at slukke mindst nogle af skifteindretningerne omfatter at slukke alle af de tilbageværende skifteindretninger i treniveau-omformeren (78).
6. Fremgangsmåde ifølge krav 5, hvor treniveau-omformeren (78) omfatter en enkeltfase treniveau-omformer.
7. Fremgangsmåde ifølge krav 5, hvor treniveau-omformeren (78) omfatter en trefase treniveau-omformer.
DK11163978T 2010-04-30 2011-04-27 System og fremgangsmåde til beskyttelse af en flerniveauomformer DK2383878T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/770,800 US8411474B2 (en) 2010-04-30 2010-04-30 System and method for protection of a multilevel converter

Publications (1)

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DK2383878T3 true DK2383878T3 (da) 2015-03-30

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US (1) US8411474B2 (da)
EP (1) EP2383878B1 (da)
CN (1) CN102237672B (da)
DK (1) DK2383878T3 (da)
ES (1) ES2533237T3 (da)

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Also Published As

Publication number Publication date
CN102237672B (zh) 2014-11-12
ES2533237T3 (es) 2015-04-08
US20110267862A1 (en) 2011-11-03
EP2383878A3 (en) 2012-07-25
EP2383878B1 (en) 2015-02-25
US8411474B2 (en) 2013-04-02
CN102237672A (zh) 2011-11-09
EP2383878A2 (en) 2011-11-02

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