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Calculation: 3 Phase Inverter_120 Mode_SPWM

Operating Conditions
Vin [V_DC]: Iout [A_AC RMS]: N [No. of // FETs]:

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

Gate Driver Parameters
Vgdrive [V]: Rg_Ext [Ω]: Rpu [Ω]: Rpd [Ω]:

Circuit Parameters
Cin [F]: ESRin [Ω]:

Thermal Parameters
TA [°C]: RthCA [°C/W]: TempCoeff [RDSon-TA Default]:

Calculated Parameters
V_Ph [V_RMS]: Ts [s]: Tsw [s]: D: 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]

Select Mosfet Part [Q5]

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 [Q6]

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



Loading.. Phase Voltage Vs. Time
Van_RMS = 57.411 V
Vbn_RMS = 57.480 V
Vcn_RMS = 57.411 V


Loading.. Line Voltage Vs. Time
Vab_RMS = 99.519 V
Vbc_RMS = 99.519 V
Vca_RMS = 99.398 V


Loading.. Carrier, Reference Signal Vs. Time


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 367.406 V
Q1_IDS_RMS = 3.954 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 371.263 V
Q2_IDS_RMS = 3.722 A


Loading.. Q3_Parameters Vs. Time
Q3_VDS_RMS = 374.420 V
Q3_IDS_RMS = 3.519 A


Loading.. Q4_Parameters Vs. Time
Q4_VDS_RMS = 376.832 V
Q4_IDS_RMS = 3.354 A


Loading.. Q5_Parameters Vs. Time
Q5_VDS_RMS = 378.809 V
Q5_IDS_RMS = 3.212 A


Loading.. Q6_Parameters Vs. Time
Q6_VDS_RMS = 379.173 V
Q6_IDS_RMS = 3.185 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 367.406 V
Q2_VDS_RMS = 371.263 V
Q3_VDS_RMS = 374.420 V
Q4_VDS_RMS = 376.832 V
Q5_VDS_RMS = 378.809 V
Q6_VDS_RMS = 379.173 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 3.954 A
Q2_IDS_RMS = 3.722 A
Q3_IDS_RMS = 3.519 A
Q4_IDS_RMS = 3.354 A
Q5_IDS_RMS = 3.212 A
Q6_IDS_RMS = 3.185 A


Loading.. PowerLoss Vs. Time