Page 116 - 2024-Vol20-Issue2

112 | Maddu & Bhasme

(a) Phase Voltage

(a) Phase Voltage

(b) Line Voltage

(b) Line Voltage

(c) Load Current

Fig. 8. SPWM simulation results

TABLE III. (c) Load Current
COMPARATIVE SIMULATION ANALYSIS OF PWM
TECHNIQUES AT 5 KHZ SWITCHING FREQUENCY Fig. 9. Square type simulation results

Parameter SVPWM
SPWM THPWM

(Min-Max)

Phase Voltage(%THD) 70.53 53.47 53.59

Fundamental phase voltage (V) 294.2 342.3 343.1

Line Voltage(%THD) 70.60 53.58 53.44

Fundamental line voltage(V) 509.5 593 594.7 TABLE V.
HARDWARE RESULTS FOR PHASE TO NEUTRAL
VOLTAGES OF PWM TECHNIQUES

TABLE IV. Phase to neutral SVPWM
COMPARATIVE SIMULATION ANALYSIS OF PWM SPWM
TECHNIQUES AT 10 KHZ SWITCHING FREQUENCY
(Min-Max)

Parameter SVPWM Phase Voltage(%THD), Van 5.11 5.19
SPWM THPWM
Phase Voltage(%THD), Vbn 5.11 4.91
(Min-Max)

Phase Voltage(%THD) 70.42 53.59 53.31
342.2 343.5
Fundamental phase voltage (V) 294.6 53.62 53.24 Phase Voltage(%THD), Vcn 5.04 4.94
593 595.2
Line Voltage(%THD) 70.49

Fundamental line voltage(V) 510.1