The Influence of the Load Type on the Center Frequency Tuning of the Variable-Flux Biaxial Energy Harvester

Table 3

VBH center frequency for different RC network loads.

Resistance	Capacitance	Center frequency	Maximum voltage	RMS current	Resistive power	Real power	Bandwidth	Total stiffness	Power density
5	10	8.2	104.3	0.18	62.86	0.16	2.62	23.644	0.00081
5	100	8.22	102.8	0.627	76.09	1.97	2.72	23.760	0.009828225
5	670	8.2	88.2	2.5	180.98	31.25	2.55	23.644	0.15625
5	820	8.45	84.7	3.1	220.65	48.05	2.51	25.108	0.24025
5	1000	8.23	79.8	3	173.98	45.00	2.52	23.818	0.225
5	1200	8.15	73.7	3.2	166.57	51.20	2.54	23.357	0.256
5	7700	8.45	34.39	4.6	51.74	105.80	2.65	25.108	0.529
5	25100	8.11	29.8	4	12.50	80.00	2.67	23.128	0.4
8.4	1000	8.44	81.1	2.8	147.78	65.86	2.52	25.049	0.32928
11	200	8.2	101.24	1	97.01	11.00	2.66	23.644	0.055
11	470	8.23	91.96	1.8	133.26	35.64	2.57	23.818	0.1782
11	680	8.23	84.41	2.3	150.38	58.19	2.57	23.818	0.29095
11	820	8.47	81.42	2.6	154.84	74.36	2.51	25.227	0.3718
11	1000	8.2	77.57	2.6	131.15	74.36	2.51	23.644	0.3718
11	2200	8.4	60.89	3.2	88.15	112.64	2.53	24.812	0.5632
11	3100	8.4	55.84	3.3	66.53	119.79	2.54	24.812	0.59895
11	4400	8.64	52.5	3.4	48.38	127.16	2.646	26.250	0.6358
11	5400	8.46	52.09	3.4	40.26	127.16	2.61	25.167	0.6358
11	22000	8.72	50	3.4	9.59	127.16	2.59	26.738	0.6358
15	100	8.15	86.79	0.37	26.72	2.05	2.57	23.357	0.0102675
16	2200	8.54	60.69	2.7	61.73	116.64	2.6	25.646	0.5832
16	4400	8.52	62.29	2.8	33.27	125.44	2.55	25.526	0.6272
16	22000	8.54	60.69	2.8	6.64	125.44	2.59	25.646	0.6272
22.5	0.1	8.23	102.41	0.0022	0.94	0.00	2.69	23.818	5.445E−07
22.5	10	8.18	103.36	0.071	9.80	0.11	2.66	23.529	0.000567113
22.5	100	8.21	85.59	0.355	24.42	2.84	2.57	23.702	0.014177813
22.5	1000	8.25	23.07	0.564	6.13	7.16	2.55	23.934	0.0357858
100	10	8.23	101.8	0.065	8.17	0.42	2.66	23.818	0.0021125
100	1000	8.07	48.7	0.365	2.63	13.32	2.66	22.901	0.0666125
1000	10	8.14	100.7	0.04	3.13	1.60	2.67	23.300	0.008
1000	1000	8.25	93.5	0.07	0.09	4.90	2.62	23.934	0.0245