Planning and installation of the low voltage switchgear – The devil is in the detail!

To be honest with you, the planning and installation of LV switchgear is a damn complicated job. But you knew that :) There are dozen of detail where you can… Read more

May 24, 2020 | Edvard

Four very important precautions for installation of cables and busbar trunking systems

First, to be clear, there are dozen of concerns and precautions you should be aware of when we talk about energy transport. Cables and busbar systems are the most common… Read more

May 11, 2020 | Edvard

Inevitable in almost all electrical switchboards – Residual current device (RCD)

Technology that RCD uses is so simple and so magical. The residual current device continually measures the difference between the value of the outgoing and incoming currents in the circuit… Read more

Feb 12, 2020 | Edvard

Lessons I learned during installation and wiring of LV switchboard

Let’s start with some basic definitions from the United States National Electrical Code (NEC). An LV switchboard is generally defined as a large single panel, frame, or assembly of panels…...

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Feb 05, 2020 | Amar M

Advices in choosing the right neutral earthing system for your installation

The choice of a neutral earthing system is dependent on requirements and objectives that are often contradictory to such an extent that sometimes several systems have to be created within… Read more

Feb 03, 2020 | Edvard

How does low voltage protection unit work and what’s the most important to understand

If we are talking about LV applications, protection (or trip) unit is functional part of circuit breaker, and in most cases, they are physically integrated in the same housing as…...

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Jan 23, 2020 | Miodrag Kokotovic

How to avoid common mistakes during wiring and startup of power factor correction (PFC) cubicle

Power factor correction (PFC) and reactive power compensation (RPC) are often used as synonyms in practice. Although they are similar and mutually dependent terms, they don’t represent the same thing…....

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Jan 16, 2020 | Miodrag Kokotovic

The story of designing the electrical part of MV/LV power substation

Designing a new MV/LV distribution substation is somewhat complicated and involves a lot of factors you must take care of. This technical article will try to present the essential steps… Read more

Jan 15, 2020 | Edvard

Soft starter for potable water well pump (wiring diagram, troubleshooting example)

This article will analyse a real example of electrical switchboard for potable water well pump, containing soft starter as one of major components. Besides explanation of wiring diagram and working…...

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Dec 27, 2019 | Miodrag Kokotovic

Why earth leakage protection is necessary in low voltage installations

We all should know that low voltage circuit breakers and fuses operate in the event of excess current arising from overload conditions and faults. As the statistics say, the most… Read more

Dec 25, 2019 | Edvard