R Dump Converter without DC Link Capacitor for an 8/6 SRM: Experimental Investigation

Table 3

Comparison of torque with DC and sinusoidal excitation with DC current reference.

Constant current; reference (A)	Experimental analysis				Theoretical analysis
	DC excitation (with capacitor)		Sinusoidal excitation; (without capacitor)		DC excitation; (with capacitor)		Sinusoidal excitation; (without capacitor)
	Torque average	Torque ripple %	Torque average	Torque ripple %	Torque average	Torque ripple %	Torque average	Torque ripple %
0.4	0.007	300.00	0.013	169.23	0.065	320.00	0.015	164.55
0.5	0.011	272.73	0.018	156.76	0.012	292.73	0.020	160.43
0.6	0.015	220.00	0.022	141.57	0.017	210.00	0.025	145.89
0.7	0.019	173.68	0.027	140.74	0.020	193.68	0.032	143.56
0.8	0.024	145.83	0.036	134.25	0.025	165.83	0.038	140.87
0.9	0.037	116.22	0.045	133.33	0.039	122.22	0.044	138.26
1.0	0.039	135.90	0.052	134.62	0.045	146.90	0.058	136.96
1.2	0.052	132.69	0.081	130.43	0.050	140.69	0.091	132.45
1.5	0.048	143.75	0.089	114.12	0.056	155.75	0.099	120.87