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Archive: Category «Power Quality»

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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 | Edvard

Harmonics. What are they? What do they do?

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 | Edvard

3 Things That Capacitors Do Perfectly

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 | Edvard

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 | Edvard

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