Vishay / EBV. The three-level topology : with the right components it becomes more convenient. Inverter Classification POWER RANGE

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1 Vishay / EBV The three-level topology : with the right components it becomes more convenient. SolarExpo Verona, 4 th of May 2011 Cristiano Demartini FAE Vishay South of Europe Inverter Classification INVERTER TYPE MPPT CHANNEL S POWER RANGE INPUT RANGE OUTPUT TYPE MICRO W V 1 STRING kw V 1 MULTI- STRING 2+ (TYP 2 or 3) 3 20 kw V 1f and 3 CENTRAL SOME 20 kw V Mainly 3 1

2 Grid Connected Inverter STRING & MULTI-STRING 2 stage approach is widely adopted 110 / 380V 1 or 3 (some 20kV for solar parks) MPPT CONTROLLER (/) INVERTER (/AC) Grid Connected Inverter CENTRAL 110 / 380V 1 or 3 (some 20kV for solar parks) MPPT + INVERTER (/AC) Single stage approach is common 2

3 MPPT CONTROLLER - DIODE 150 / 400V (10kW) < 800V (100kW) <1000V (1MW) 400 / 1000V 600V (1 ) and 1200V (3 ) M / Soft SW : Low V F Types CCM : Low Q RR Types DIODE types FRED Pt TM 600V - V F / T RR Trade-off M CCM 3

4 MPPT CONTROLLER - SWITCH 150 / 400V (10kW) < 800V (100kW) <1000V (1MW) 400 / 1000V 600V (1 ) MosFets & IGBTs 1200V (3 ) IGBTs M / Soft SW : Trench IGBTs Mainly CCM : High Speed MosFets (E on + E off ) / A [uj/a] 600V IGBT Families 360 PT (S) Line Frequency (<1kHz) 20 KHz 40 KHz 60 TFS NPT (U & K) 60 KHz PT (W1) 80 khz 30 NPT (W2) V ce_sat [V] 4

5 3LEV vs 2LEV V OUT V OUT 3LEV vs 2LEV LESS EMI, MORE EFFICENCY V OUT V OU T 5

6 Dual Boost Solution for Split Bus Applications (FOR 3 LEVEL INVERTERS) Vishay Dual Boost Solution Optimized for 50A Split Bus Applications (FOR 3 LEVEL INVERTERS) VS-EMG050J60N SiC Schottky Diodes High Speed IGBTs 100 khz Optimized FRED Pt Hyperfast Diodes 6

7 Vishay Dual Boost Solution Optimized for 50A Split Bus Applications (FOR 3 LEVEL INVERTERS) VS-EMG050J60N Vishay Dual Boost Solution Optimized for 70A Split Bus Applications (FOR 3 LEVEL INVERTERS) VS-EMG070J60U FRED Pt Hyperfast Diodes High Speed IGBTs FRED Pt Hyperfast Diodes 7

8 Vishay Dual Boost Solution Optimized for Split Bus Applications (FOR 3 LEVEL INVERTERS) VS-EMG070J60U OUTPUT INVERTER SOLUTIONS 400 / 1000V 220 / 380V 3 (some 20kV for solar parks) INVERTER (/AC) 8

9 THREE PHASE INVERTER EASY 400 / 1000V 3 (some 20kV for solar parks) 1200V IGBTs THREE PHASE INVERTER EASY 400 / 1000V 3 (some 20kV for solar parks) 9

10 THREE PHASE INVERTER EASY but not very efficient 400 / 1000V 3 (some 20kV for solar parks) 400 / 1000V THREE PHASE INVERTER - NPC 3 LEVEL Neutral Point Clamped 600V Switches 3 (some 20kV for solar parks) 600V Switches 10

11 SINGLE / THREE PHASE INVERTER 3LEV NPC Vishay Solution HF Optimized (SiC) VS-EMF050T60N High Speed 100 khz Optimized TRENCH IGBTs 50/60 Hz Optimized + FRED Pt High Frequency Optimized FRED Pt Hyperfast Diodes SiC Schottky Clamping Diodes 11

12 3LEV NPC Vishay Solution HF Optimized (SiC) VS-EMF050T60N 3LEV NPC Vishay Solution HF Optimized (Si) VS-EMF050T60U High Speed 100 khz Optimized TRENCH IGBTs 50/60 Hz Optimized + FRED Pt High Frequency Optimized FRED Pt Hyperfast Diodes FRED Pt Clamping Diodes 12

13 SOLAR INVERTER - NPC REQUIRED DEVICES 400 / 1000V 3 (some 20kV for solar parks) MOSFET BODY DIODEs 3LEV NPC Vishay Solution Reactive power optimized VS-EMF050J60U 13

14 3LEV NPC Vishay Solution Reactive powe optimized VS-EMF050J60U High Speed IGBTs FRED Pt Hyperfast Diodes FRED Pt Clamping Diodes SiC Mosfets + SiC Diodes Solar Modules for 3 designs 14

15 BOOST - VS-EMQ30P120K 40A 1200V Si LOW VF (HV BYPASS) D_B1 & D_B2 SiC-Schottky Q_B1 & Q_B2 30A 1200V SiC MOSFET 3LEV LEG - VS-EMQ30N120S Q_C1 & Q_C2 30A-600V Si Trench IGBT Q_A1 30A 1200V SiC MOSFET D_A1 15A 1200V SiC-Schottky D_C1 25A 600V SiC-Schottky D_A2 15A 1200V SiC-Schottky D_C2 25A 600V SiC-Schottky QA2 30A 1200V SiC MOSFET 15

16 Grid Connected Inverter CENTRAL 110 / 380V 1 or 3 (some 20kV for solar parks) MPPT + INVERTER (/AC) Central Solar Inverter 3-LEVEL NPC PHASE LEG TFS IGBTs 10-20KHz Optimized 600V + 600V 200 & 300A 3-Level NPC Inverter Topology features extremely high efficiency 16

17 BOOST SiC SKYs GENESIS Features AP SiC SKYs Bypass Diode Rev Pol Protection Diode Internal HF decoupling CAPACITO R 17

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