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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
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 2
Inverters
Mot.UVW
RST~
AC current Fixed Voltage and frequencyi.e. 400Vac 60Hz
AC current Variable Voltage and frequencyi.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.
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 3
Inverters
Mot.UVW
+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 BRIDGEDIODES RECTIFIER
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
RST~
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 5
Inverters BrakesWhen 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
RST~
The inverter is capable of dissipating such power into a braking resistor
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 6
Inverters RegenerativeIn 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
RST~
AFE
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 7
Inverters
Mot.UVW
+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
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
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
GRIDTransformer
In some PV inverters the transformer is included
PV INVERTER CABINET
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
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 11
PV Inverters – Residential segment
SUNWAY MXS
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 12
PV Inverters – Industrial segment
SUNWAY TG
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 13
PV Inverters – Utility segment
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
GRIDTransformer
WIND INVERTER CABINET WIND BOX
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 15
PMG WIND Turbines InvertersETESIAN MINI
Single-phase 2kW – 6kW ETESIAN ONE
Three-phase 20kW – 200kW
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
GRIDTransformer
INVERTER CABINET RECTIFIER
PMGUVW
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012
PMGUVW
17
+VE
-VE
R
S
T
~
Permanent Magnet Generators from 2kW to 200kW
INVERTER
PMG HYDRO turbines Inverters
GRIDTransformer
INVERTER CABINET RECTIFIER
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 18
INVERTER
Speed measurement
RST~
AFE
HYDRO/WIND InvertersPM or Asynchronous GEN.
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 19
+VE
-VE
INVERTER
PV modules
SOLAR + Water Pumps
Santerno Products & Markets Scenario, Campodarsego - Nov 7th 2012 20
SOLARDRIVE
