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Archive: Category «Power Quality»

Energy and Power

Harmonics. What are they? What do they do?

The harmonics allow to represent any periodic waveform. In fact, according to Fourier’s theorem, any periodic function of a period T may be represented as a summation of: A sinusoid with… Read more

Jan 27, 2016 | By Edvard

Harmonics. What are they? What do they do?
Energy and Power

Smart Ways To Cut Down The Influence Of Harmonics

There are three possible ways of suppressing or at least reducing the influence of harmonics. The fourth way is a special case. Contents: Reducing generated harmonic currents Modifying the installation… Read more

Dec 28, 2015 | By Edvard

3 Ways To Suppress (Or Reduce) The Influence Of Harmonics
Energy and Power

Few things that capacitors do perfectly

Capacitors provide tremendous benefits to distribution system performance. Most noticeably, capacitors reduce losses, free up capacity, and reduce voltage drop. Let’s go a little bit into details. By canceling the… Read more

Oct 05, 2015 | By Edvard

3 Things That Capacitors Do Perfectly
Energy and Power

What Is The Poor Power Quality?

Most electrical and electronic equipment is designed to operate from a power supply with a particular specification that usually defines the minimum and maximum limits for RMS (root mean-square) voltage… Read more

Jun 05, 2015 | By Edvard

What Is Poor Power Quality?
Energy and Power

5 Types of equipment which generates the most harmonics

Harmonic load currents are generated by all non-linear loads. This includes: Switched mode power supplies (SMPS) Electronic fluorescent lighting ballasts Variable speed drives (VSDs) Uninterruptible power supplies (UPS) Magnetic-cored devices… Read more

Apr 27, 2015 | By Edvard

Energy and Power

9 Recommended Practices for Grounding

Grounding and bonding are the basis upon which safety and power quality are built. The grounding system provides a low-impedance path for fault current and limits the voltage rise on… Read more

Mar 06, 2015 | By Edvard

9 Recommended Practices for Grounding


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