Harmonics Mitigation Techniques
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
Why LV Winding Is Placed Next To The Core?
The LV winding is placed next to the core because, with this arrangement, we get the advantage of reduced insulation, low leakage reactance, and easy … Read more
What Is Voltage Unbalance?
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 Conductor Size Selection For Non Linear Loads
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, etc. … Read more
Copper Loss In Transformer
The copper loss in the transformer is equal to the I2R loss. The copper loss is very important for the calculation of the transformer efficiency. … Read more
Effects Of Harmonics in Induction Motor
Harmonics in induction motors adversely affects motor performance, leading to temperature rise and increased losses, decreased torque, and noise problems. Due to simplicity in construction … Read more
Adverse Effects Of Harmonics On Electrical Equipment
In this article, we will discuss the adverse effects of harmonics on electrical equipment. The harmonics deteriorate the operational life of the electrical equipment. The … Read more
True Power Factor
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
No Load Losses in Transformer
What are No-Load Losses( Excitation Losses)? Transformer no-load losses occur when the transformer is excited at the rated voltage and frequency, keeping its secondary open … Read more
Impact Of Harmonics On Power Quality
In the earlier years, harmonics were not prevalent in most industries as most of the loads were linear loads, such as three-phase induction motors, incandescent … Read more