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Calculation: 3-Phase Inverter - 180 Mode_SPWM
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Operating Conditions
Vin [V_DC]: Iout [A_AC RMS]: N [No. of // FETs]: PF:

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

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

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

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

Calculated Parameters
Phi [PF Angle in °]: Ma [Modulation Index]: Vphase [V_RMS]: Vphase_f [V_RMS Fundamental]: Ts [s]:
Tsw [s]: D: Sout [VA]: Pout [W]:

Measured Parameters & Test Conditions
Eon [mJ]: Eoff [mJ]: VD [VDS/VCE in V]: ID [IDS/ICE in A]: RG_EXT [Ω]:

Use Parameters only if Not Available
VF_BD [V]: QG [nC]:


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
  • Dead Time-1
  • STEP-2
  • Dead Time-2
  • STEP-3
  • Dead Time-3
  • STEP-4
  • Dead Time-4
  • STEP-5
  • Dead Time-5
  • STEP-6
  • Dead Time-6



Loading.. Carrier and Reference Signal Vs. Time


Loading.. Phase Voltages with Fundamental Vs. Time
Van_RMS = 175.869 V
Vbn_RMS = 176.126 V
Vcn_RMS = 176.126 V

Van_f_RMS = 127.279 V
Vbn_f_RMS = 127.279 V
Vcn_f_RMS = 127.279 V


Loading.. Line Voltages with Fundamental Vs. Time
Vab_RMS = 304.762 V
Vbc_RMS = 305.208 V
Vca_RMS = 304.762 V

Vab_f_RMS = 220.454 V
Vbc_f_RMS = 220.454 V
Vca_f_RMS = 220.454 V


Loading.. Phase Current Vs. Time
Iph_A_RMS = 10.000 A
Iph_B_RMS = 10.000 A
Iph_C_RMS = 10.000 A


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 267.140 V
Q1_IDS_RMS = 7.558 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 267.003 V
Q2_IDS_RMS = 7.168 A


Loading.. Q3_Parameters Vs. Time
Q3_VDS_RMS = 267.360 V
Q3_IDS_RMS = 6.834 A


Loading.. Q4_Parameters Vs. Time
Q4_VDS_RMS = 267.470 V
Q4_IDS_RMS = 6.541 A


Loading.. Q5_Parameters Vs. Time
Q5_VDS_RMS = 267.505 V
Q5_IDS_RMS = 6.539 A


Loading.. Q6_Parameters Vs. Time
Q6_VDS_RMS = 267.181 V
Q6_IDS_RMS = 6.542 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 267.140 V
Q2_VDS_RMS = 267.003 V
Q3_VDS_RMS = 267.360 V
Q4_VDS_RMS = 267.470 V
Q5_VDS_RMS = 267.505 V
Q6_VDS_RMS = 267.181 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 7.558 A
Q2_IDS_RMS = 7.168 A
Q3_IDS_RMS = 6.834 A
Q4_IDS_RMS = 6.541 A
Q5_IDS_RMS = 6.539 A
Q6_IDS_RMS = 6.542 A


Loading.. PowerLoss Vs. Time

Q1_PowerLoss_Avg = 0.000 W
Q2_PowerLoss_Avg = 0.000 W
Q3_PowerLoss_Avg = 0.000 W
Q4_PowerLoss_Avg = 0.000 W
Q5_PowerLoss_Avg = 0.000 W
Q6_PowerLoss_Avg = 0.000 W