Primary and secondary power distribution systems (layouts explained)

Primary distribution systems consist of feeders that deliver power from distribution substations to distribution transformers. A feeder usually begins with a feeder breaker at the distribution substation. Many feeders leave… Read more

Mar 06, 2019 | Power Substation

Earthing facts and terms you should always remember

While working as an electrical engineer, there are a dozen things you must remember, especially the ones that concern the safety. Whether you are in the electrical design field or… Read more

Mar 04, 2019 | Energy and Power

Three essential features of automation in power distribution systems

One may wonder why are everybody talking more and more about automation in power distribution. Aren’t we already automated? Well, we are not. It can always be better, faster, with…...

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Feb 28, 2019 | Premium Content ♛

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 ♛

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