A method for controlling a multiphase inverter, the method comprising: determining desired output parameters, command modulation index K MI and angle Θ; when a fundamental output frequency (ω FUNDAMENTAL) of the multiphase inverter is less than a non-zero threshold frequency (ω TH), using at least one electronic processor, computing a plurality of high frequency injected phase duty ratios d2 a (θ), d2 b (θ), d2 c (θ) at least partially according to the desired output parameters and a common mode frequency (ω CM) corresponding to a common mode period (T CM) less than a time constant (T IGBT JUNCTION-CASE THERMAL IMPEDANCE) of a thermal impedance of switching devices (S7-S12) of the multiphase inverter, wherein the high frequency injected phase duty ratios d2 a (θ), d2 b (θ) and d2 c (θ) for phases a, b and c of the multiphase inverter are computed according to the following equations: d 2 a θ = K MI COS θ − K i COS K HF θ d 2 b θ = K MI COS θ− 2 π / 3 − K i COS K HF θ d2 c (θ) = K MI COS(θ + 2π/3) - K i COS(K HF θ), wherein the injection coefficient Ki is less than 1 and the high-frequency constant K HF is greater than 1, and wherein the common mode frequency (ω CM) is the product of the fundamental output frequency (ω FUNDAMENTAL) and the high-frequency constant K HF; computing a plurality of offset phase duty ratios d OFSTa (θ),d (θ),d (θ), d OFSTc (θ)) at least partially according to the high frequency injected phase duty ratios d2 a (θ), d2 b (θ), d2 c (θ) and a discontinuous pulse width modulation, DPWM, duty ratio offset value (do); and generating the inverter switching control signals using DPWM control of the inverter at least partially according to the offset phase duty ratios d OFSTa (θ), d OFSTb (θ), d OFSTc (θ); and when the fundamental output frequency (ω FUNDAMENTAL) of the multiphase inverter is greater than or equal to the non-zero threshold frequency (ω TH): using the at least one electronic processor, computing a plurality of initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ) at least partially according to the desired output parameters; and generating the inverter switching control signals using space vector pulse width modulation, SVPWM, control of the inverter at least partially according to the initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ). determining desired output parameters, command modulation index K MI and angle Θ; when a fundamental output frequency (ω FUNDAMENTAL) of the multiphase inverter is less than a non-zero threshold frequency (ω TH), using at least one electronic processor, computing a plurality of high frequency injected phase duty ratios d2 a (θ), d2 b (θ), d2 c (θ) at least partially according to the desired output parameters and a common mode frequency (ω CM) corresponding to a common mode period (T CM) less than a time constant (T IGBT JUNCTION-CASE THERMAL IMPEDANCE) of a thermal impedance of switching devices (S7-S12) of the multiphase inverter, wherein the high frequency injected phase duty ratios d2 a (θ), d2 b (θ) and d2 c (θ) for phases a, b and c of the multiphase inverter are computed according to the following equations: d 2 a θ = K MI COS θ − K i COS K HF θ d 2 b θ = K MI COS θ− 2 π / 3 − K i COS K HF θ d2 c (θ) = K MI COS(θ + 2π/3) - K i COS(K HF θ), wherein the injection coefficient Ki is less than 1 and the high-frequency constant K HF is greater than 1, and wherein the common mode frequency (ω CM) is the product of the fundamental output frequency (ω FUNDAMENTAL) and the high-frequency constant K HF; computing a plurality of offset phase duty ratios d OFSTa (θ),d (θ),d (θ), d OFSTc (θ)) at least partially according to the high frequency injected phase duty ratios d2 a (θ), d2 b (θ), d2 c (θ) and a discontinuous pulse width modulation, DPWM, duty ratio offset value (do); and generating the inverter switching control signals using DPWM control of the inverter at least partially according to the offset phase duty ratios d OFSTa (θ), d OFSTb (θ), d OFSTc (θ); and when the fundamental output frequency (ω FUNDAMENTAL) of the multiphase inverter is greater than or equal to the non-zero threshold frequency (ω TH): using the at least one electronic processor, computing a plurality of initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ) at least partially according to the desired output parameters; and generating the inverter switching control signals using space vector pulse width modulation, SVPWM, control of the inverter at least partially according to the initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ). using the at least one electronic processor, computing a plurality of initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ) at least partially according to the desired output parameters; and generating the inverter switching control signals using space vector pulse width modulation, SVPWM, control of the inverter at least partially according to the initial phase duty ratios d1 a (θ), d1 b (θ), d1 c (θ).