... total harmonic distortion, power factor, fundamental power terms, and the active and Power Quality – Monitoring, Analysis and Enhancement 38producing different results, and as a consequence, ... National Standard) / 01-Nov-2002 / 8 pages. Dugan, R., McGranahan, M., Beaty, W. (1996). Electrical Power Systems Quality, McGraw-Hill, Germany. Power Quality – Monitoring, Analysis and Enhancement ... (19) and performed experimental Power Quality – Monitoring, Analysis and Enhancement 42 111 1**sinQVIφ= (26) Based on this definition, an additional term named complementary power...