Research Article
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 |
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