Research Article

An IFOC-DSVPWM Based DC-Link Voltage Compensation of Z-Source Inverter Fed Induction Motor Drive for EVs

Table 5

Hardware results comparison of VSI and ZSI drives with speed step change at 600 V DC-link voltage.

SVPWM-VSI driveDSVPWM-ZSI drive
Speed change Overshoot of speed Voltage (volts) Speed peak (rpm) Voltage (volts)
Min. Max. DC-link Min. Max. Input DC-link

750–850 rpm 96.48% 104.7% 96.67% 99.42% 100.23% 97.5% 100%
850–950 rpm 98.95% 109.47% 93.34% 99.48% 100.63% 95% 100%