Research Article
An Improved Walsh Function Algorithm for Use in Sinusoidal and Nonsinusoidal Power Components Measurement
Table 3
Simulation and experimental results.
| | S/N | Load type | Fluke 435 PQA meter readings | FFT approach | Proposed IWF algorithm | | (watts) | (var) | (watts) | (var) | (watts) | (var) |
| | 1 | CFL lamps (15.8 watts × 45) | 711 | 364.5 | 710.8 | 363.4 | 711 | 364 | | 2 | Desktop computers (60.3 watts × 70) | 422.1 | 20.3 | 421.9 | 19.8 | 422 | 20 | | 3 | Laptop computers (54.6 watts × 8) | 436.8 | 18.5 | 435.7 | 18.3 | 437 | 18 | | 4 | 2 ft. fluorescent lamps (27.8 watt × 15) | 417 | 934.5 | 416.3 | 933.8 | 417 | 934 |
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