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

Table 7

Comparison of torque with DC and sinusoidal excitation with sine 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	0.01	320.00	0.018	189.23	0.013	302.00	0.016	189.23
0.5	0.016	292.73	0.022	176.76	0.015	272.73	0.024	176.76
0.6	0.018	245.00	0.025	161.57	0.019	255.00	0.026	161.57
0.7	0.021	203.68	0.027	150.74	0.023	223.28	0.028	150.74
0.8	0.026	165.83	0.039	144.25	0.029	155.38	0.043	144.25
0.9	0.037	136.22	0.045	133.33	0.040	127.73	0.049	133.33
1.0	0.041	125.90	0.057	122.62	0.046	112.45	0.061	122.62
1.2	0.046	102.69	0.085	100.43	0.049	99.86	0.082	100.43
1.5	0.048	83.75	0.089	88.12	0.052	76.88	0.093	88.12