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# 5 anomalies in AC power that can damage your home devices

In addition to lightning, there are a number of other disturbances that can come in on the AC power lines and damage equipment. Some surge protectors can reduce or eliminate… Read more

Apr 11, 2016 | Edvard

# 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

# Identify these 4 things and lower facility’s electricity bill

The world is more energy conscious these days. But unlike you, most of the world doesn’t pay electricity bill that rivals the cost of a four bedroom home. You understand… Read more

Jan 13, 2016 | Edvard

# 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. Reducing generated harmonic currents Modifying the installation Filtering… Read more

Dec 28, 2015 | Edvard

# 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

# Acceptable levels of distortion in the mains supply system

In the mains supply system, harmonic voltage distortion is the consequence of the flow of harmonic currents through the impedances in the power supply circuit connected to the converter. A… Read more

Sep 26, 2015 | Edvard

# What parallel redundancy does to the power distribution system?

Redundancy is a useful method of increasing reliability and optimising the balance between operation effectiveness and expenditure. In the context of reliability, redundancy signifies that a system will continue to… Read more

Aug 07, 2015 | Edvard

# Essential Basics of Total Harmonic Distortion (THD)

For a signal y, the total harmonic distortion (THD) is defined by the equation: This definition complies with that of standard IEC 61000-2-2. Note that the resulting value may exceed… Read more

Jul 22, 2015 | Edvard

# 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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