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2.2.4. Current and Voltage Total Harmonic Distortion 100.00 99.98 99.96 99.94 99.92 99.90 Extended Monitoring Period (14 days) Figure 2-8. Capstone 60 Power Factor During Extended Test Period Table 2-5. Power Factors During Extended Period Parameter Average Power Factor Minimum Power Factor Maximum Power Factor Standard Deviation % 99.98 99.96 99.99 0.006 The turbine total harmonic distortion, up to the 63rd harmonic, was recorded for current and voltage output using the 7600 ION. The average current and voltage THD were measured to be 5.66 percent and 1.98 percent, respectively (Table 2-6). Figure 2-9 plots the current and voltage THD throughout the 14- day extended verification period. Results indicate that the average current THD exceeds the IEEE 519 specification of ± 5 percent. Figure 2-9 also shows numerous occurrences of current THD in excess of 7 percent. Table 2-6. Capstone 60 THD During Extended Period Parameter Average Minimum Maximum Standard Deviation Current THD (%) 5.66 2.35 12.11 1.24 Voltage THD (%) 1.98 1.29 2.83 0.31 2-11 SRI/USEPA-GHG-VR-27 September 2003 1 723 1445 2167 2889 3611 4333 5055 5777 6499 7221 7943 8665 9387 10109 10831 11553 12275 12997 13719 14441 15163 15885 16607 17329 18051 18773 19495 Power Factor (%)PDF Image | Environmental Technology Verification Report
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