5 most important aspects of external protection against the effects of lightning

Analysis of the lightning risk takes numerous factors into consideration. This article will shed the light on one of factors – protection of the structures and its five most important… Read more

Feb 27, 2019 | Energy and Power

What is negative sequence current and how does it affect generator work

As you know, generators and motors are supposed to operate with balanced three-phase loading, but exposure to unbalanced currents is inevitable. Unbalances could arise from many different sources like unbalanced… Read more

Feb 25, 2019 | Energy Generation

Learn to recognize T&D pylons, foundations, insulators, cables, bushings and arresters

Recognizing the type of transmission & distribution pylons and their equipment is kind of hard if you don’t know where to look for. There are many variations that look similar… Read more

Feb 20, 2019 | Power Substation

How not to overspecify high voltage CTs and VTs

The installations wherein CTs and VTs are mounted to measure the normal and abnormal values of current and voltage, have many variations in key system parameters, including voltage class, insulation… Read more

Feb 18, 2019 | Power Substation

Inspection and maintenance of capacitor banks (recommended practices)

Capacitor banks generally require very little maintenance because they are static type of equipment, but don’t be fooled by this statement. Capacitors are well known for their dangerous reaction when… Read more

Feb 13, 2019 | High Voltage

Where to start with design of electrical installation?

The power analysis must be always the at the very top of your tasks in design of an electrical installation. It will enable the source(s) to be sized according to… Read more

Feb 11, 2019 | Energy and Power

Connections and working principles of three-phase distribution transformers

A three-phase service can be supplied by one three-phase transformer unit or by interconnecting three single-phase transformer units. One three-phase unit is smaller than an equivalent size bank consisting of…...

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Feb 08, 2019 | Premium Content ♛

6 steps for specifying IEC 61850 & substation automation requirements

It is not easy to read the IEC 61850 documents or to comprehend how the pieces all work together. When implementing systems as complex and as new as substation automation,… Read more

Feb 06, 2019 | Power Substation

5 ingredients that make SCADA operation delicious

To explain in very simple words, I would say that SCADA is a bunch of equipment that provides an operator at a remote location with sufficient information to determine the… Read more

Feb 04, 2019 | Industrial Automation

People response to short-term exposure to electric fields of AC transmission lines

Short-term exposures to electric fields produced by AC transmission lines and stations can be pretty serious and may be classified according to the type of effect causing a sensation in… Read more

Jan 30, 2019 | Safety