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Calculation: 3-Phase T Type Inverter
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Operating Conditions
Vin [V_DC]: Iout [A_AC RMS]: N1 [Q1 & Q4 // FETs]: N2 [Q2 & Q3 // FETs]:

PWM Parameters
Ar [V]: Ac [V]: fs [Hz]: fsw [kHz]:

Gate Driver Parameters
Vgdrive_DC [V]: Rg_Ext_DC [Ω]: Rpu_DC [Ω]: Rpd_DC [Ω]: Tdead [s]:
Vgdrive_T [V]: Rg_Ext_T [Ω]: Rpu_T [Ω]: Rpd_T [Ω]:

Circuit Parameters
Lf [H]: DCRf [Ω]: Kh [Constant]: B [Tesla]: x [Exponent]:
DCR_Grid [Ω]: Cin1 [F]: ESRin1 [Ω]: Cin2 [F]: ESRin2 [Ω]:
Cf [F]: ESRf [Ω]: Af [Attenuation Factor in %]: QCf [Reactive Power in % of Pout]:

Thermal Parameters
TA [°C]: RthCA [°C/W]: TempCoeff [for RDSon @TA]:

Calculated Parameters
Ma [Modulation Index]: Vphase [V_RMS]: Ts [s]: Tsw [s]: M [L_Grid / Lf in %]:
L_Grid [H]: diL_Grid [in %]: dVCf [in %]: Pout [W]:


Select Your Power Devices
Use parametric data from datasheet tables        Add measurement data from datasheet graphs

Select Mosfet Part [Q1]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q2]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q3]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q4]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]


Converter Steady State Waveforms (assuming ideal switches)


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  • STEP-1
  • STEP-2
  • STEP-3
  • STEP-4
  • STEP-5
  • STEP-6
  • STEP-7
  • STEP-8



Loading.. Carrier, Reference Signal Vs. Time


Loading.. Phase Voltage Vs. Time
Van_RMS = 151.340 V
Vanf_RMS = 127.279 V


Loading.. Phase Current Vs. Time
Ian_RMS = 23.781 A
Ianf_RMS = 20.000 A


Loading.. Iin, ICin1, ICin2 Vs. Time
Iin_RMS = 11.119 A
ICin1_RMS = 11.119 A
ICin2_RMS = 11.119 A


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 250.863 V
Q1_IDS_RMS = 14.270 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 107.449 V
Q2_IDS_RMS = 9.690 A


Loading.. Q3_Parameters Vs. Time
Q3_VDS_RMS = 124.173 V
Q3_IDS_RMS = 9.677 A


Loading.. Q4_Parameters Vs. Time
Q4_VDS_RMS = 250.747 V
Q4_IDS_RMS = 12.357 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 250.863 V
Q2_VDS_RMS = 107.449 V
Q3_VDS_RMS = 124.173 V
Q4_VDS_RMS = 250.747 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 14.270 A
Q2_IDS_RMS = 9.690 A
Q3_IDS_RMS = 9.677 A
Q4_IDS_RMS = 12.357 A


Loading.. PowerLoss Vs. Time