A Combined PWM and AEM-Based AC Voltage Controller for Resistive Loads

Table 3

Comparison between SAC and AEM in terms of power factor.

Target output voltage	SAC		AEM
	THD	PF	THD	PF
20	302.52	0.313854	208.22	0.432922
40	211.03	0.428220	185.18	0.475159
60	164.39	0.519706	154.3	0.54386
80	133.88	0.598429	126.12	0.621295
100	112.39	0.664727	105.27	0.688726
120	93.91	0.728955	88.35	0.749411
130	86.36	0.756837	81.14	0.776532
140	78.81	0.785407	74.09	0.803496
160	64.76	0.839363	61.12	0.853248
180	51.66	0.88845	47.69	0.902612
200	37.64	0.935898	30.39	0.956793
210	29.92	0.958037	20.35	0.979916