Role of Test & Measurement in Harmonic Studies
What are Harmonic Studies? Power electronics is being used popularly in industries due to ease of operation and maintenance. It is also possible to achieve … Read more
What are Harmonic Studies? Power electronics is being used popularly in industries due to ease of operation and maintenance. It is also possible to achieve … Read more
SCR is widely used in power electronics for controlling the large power. In this post, we will discuss V-I characteristics of the SCR and its … Read more
What is difference between AC and DC Resistance? The AC resistance is always more than the DC resistance. Let us understand what is the difference … Read more
What is Harmonics? Harmonic is a wave whose frequency is integral multiples of the fundamental frequency. The harmonics are a power quality problem that needs … Read more
Definition of Voltage Unbalance as per NEMA: The voltage unbalance is defined as the maximum deviation from the average of three-phase voltage or current, divided … Read more
Neutral sizing for nonlinear loads: Single phase non-linear loads like personal computers, electronic ballast, and other electronic equipment, generate odd harmonics (i.e. 3rd,5th, 7th, 9th, … Read more
Due to simplicity in construction and ease in operation and maintenance, induction motors have become the most popular prime mover, and about 80 % of … Read more
HARMONICS CAUSES THE FOLLOWING ADVERSE EFFECTS: Overheating of transformers and rotating equipment Motors and generators can be adversely affected by the presence of harmonic voltage … Read more
What is True Power Factor? The true power factor is the product of the displacement power factor and the distortion power factor. The displacement power … Read more