harmonics Archives

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

Difference between Harmonics and Sub-Harmonics

Harmonics is generated when the equipment draws current which is non linear to the applied voltage. The elctronic devices are the non linear devices … Read more

Interharmonics in Power System

The power electronics is being widely used nowadays to improve the system efficiency,flexibility and reliability. The semiconductor devices used in power electronics are non linear … Read more

Effects of Harmonics on Transformers

The transformer does not generate harmonics.The transformer has primary and secondary winding which are inductive in nature. The inductive load draws current linearly with … Read more

Harmonics and Harmonic Frequency in AC Circuits

There are two types of circuit. 1. Linear Circuit 2. Non Linear circuit In a linear circuit the current follows the voltage.The current increase or … Read more

Effects of Harmonics on Capacitors | Interaction of Harmonics with Capacitors

Capacitors are widely used in the electrical network for power factor correction. The electrical loads like induction motor, electric furnace draw reactive power for their … Read more

Effects of Harmonics on Power Cables

The power cables are used to carry power from supply source to the load point. The cable has DC resistance which depends on the size … Read more

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

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, … Read more

Impact Of Harmonics On Induction Motor

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