1. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 1 Inverters An inverter is a device transforming AC current into DC current If properly controlled, the inverter converts DC Current and reproduce AC current by controlling frequency and voltage. INVERTER

2. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 2 Inverters Mot. U V W R S T ~ AC current Fixed Voltage and frequency i.e. 400Vac 60Hz AC current Variable Voltage and frequency i.e. 200Vac 100Hz INVERTER An inverter is a device transforming AC current into DC current If properly controlled, the inverter converts DC Current and reproduces AC current by controlling frequency and voltage.

3. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 3 Inverters Mot. U V W +VE -VE R S T ~ An inverter is a device transforming AC current into DC current powering an IGBT bridge. If properly controlled, The IGBT bridge reproduces AC current by controlling frequency and voltage. INVERTER DC Current IGBT BRIDGE DIODES RECTIFIER

4. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 4 Inverters Motion Drives With a proper feedback an inverter is able to control the speed and the torque of the electric motor shaft INVERTER Speed measurement R S T ~

5. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 5 Inverters Brakes When the inverters reduces the speed of an high inertial load or when the inverters drives an heavy load down power is regenerated into the back into the inverter. INVERTER Speed measurement R S T ~ The inverter is capable of dissipating such power into a braking resistor

6. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 6 Inverters Regenerative In a Back to Back configuration an inverter can act as a bidirectional Active Front End that is able to regenerate power back into the grid INVERTER Speed measurement R S T ~ AFE

7. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 7 Inverters Mot. U V W +VE -VE R S T ~ The Active Front End (AFE) is capable of feeding power into the grid INVERTER DC Current IGBT BRIDGE Inverters Regenerative

8. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 8 +VE -VE R S T ~ The Active Front End (AFE) is capable of feeding power power produced by PV modules INVERTER DC Current PV modules Photovoltaic Inverters GRID

9. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 9 +VE -VE R S T ~ Most of PV inverters needs a transformer. INVERTER PV modules Photovoltaic Inverters GRID Transformer In some PV inverters the transformer is included PV INVERTER CABINET

10. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 10 +VE -VE R S T ~ The Active Front End (AFE) is capable of feeding power power produced by PV modules INVERTER PV modules Photovoltaic Inverters GRID

11. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 11 PV Inverters – Residential segment SUNWAY MXS

12. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 12 PV Inverters – Industrial segment SUNWAY TG

13. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 13 PV Inverters – Utility segment

14. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 14 +VE -VE R S T ~ Permanent Magnet Generators from 2kW to 200kW INVERTER PMG WIND Turbines Inverters GRID Transformer WIND INVERTER CABINET WIND BOX

15. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 15 PMG WIND Turbines Inverters ETESIAN MINI Single-phase 2kW – 6kW ETESIAN ONE Three-phase 20kW – 200kW

16. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 16 +VE -VE R S T ~ Permanent Magnet Generators from 2kW to 200kW INVERTER PMG Biomass turbine Inverters GRID Transformer INVERTER CABINET RECTIFIER PMG U V W

17. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 PMG U V W 17 +VE -VE R S T ~ Permanent Magnet Generators from 2kW to 200kW INVERTER PMG HYDRO turbines Inverters GRID Transformer INVERTER CABINET RECTIFIER

18. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 18 INVERTER Speed measurement R S T ~ AFE HYDRO/WIND Inverters PM or Asynchronous GEN.

19. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 19 +VE -VE INVERTER PV modules SOLAR + Water Pumps

20. Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 20 SOLARDRIVE