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

Table 6

Comparison of speed with DC and sinusoidal excitation with sine current reference.

Sine current; reference (A)	Experimental analysis				Theoretical analysis
	DC excitation (with capacitor)		Sinusoidal excitation (without capacitor)		DC excitation (with capacitor)		Sinusoidal excitation (without capacitor)
	Average speed (RPM)	Speed ripple %	Average speed (RPM)	Speed ripple %	Average speed (RPM)	Speed ripple %	Average speed (RPM)	Speed ripple %
0.4	315	6.79	445	4.90	332	6.43	462	5.60
0.5	816	4.27	1929	3.20	825	4.57	1935	3.70
0.6	1622	3.46	2453	1.76	1640	3.87	2420	1.86
0.7	2023	2.45	2753	0.86	2045	2.25	2732	0.76
0.8	2511	1.52	2864	0.90	2510	1.82	2837	0.80
0.9	2669	0.81	2898	0.64	2690	0.95	2878	0.74
1.0	2710	0.64	2916	0.66	2735	0.54	2903	0.65
1.2	2920	0.43	3254	0.41	2945	0.49	3276	0.48
1.5	3015	0.28	3685	0.25	3030	0.32	3665	0.29