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 | Low Voltage ♛

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 | Low Voltage

The problem of induced voltages in control cables in high voltage substations

Cabling in power substation is very important due to the fact that they are the longest parts of a system and therefore act as efficient antennas that pickup and or… Read more

Jan 13, 2020 | Cables

The art of arc-protection relaying in MV applications

Arc-flash detection relays are superior and provide much faster arc-flash detection times compared to the differential relays. With modern arc-flash detection technology, this detection time is of the order of…...

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Jan 08, 2020 | Medium Voltage ♛

14 disturbance types that mess up power quality and 50/60 Hz sinusoidal signal

The quality of the electrical energy seems to be the very popular nowadays. It may be affected either by events that occur on the distribution systems (switching, lightning, etc.) or… Read more

Jan 06, 2020 | Energy and Power

It’s time to go further. Engineers, Happy New Year 2020!

Here comes the New Year! As 2019 is coming to an end, it is time to take a glimpse at what was, but more importantly to look forward to what… Read more

Dec 31, 2019 | Energy and Power

Essential fundamentals of harmonics distortion for future power quality experts

If you take a look at the past, you must notice that power system was much cleaner and straightforward. Most loads were primarily linear in nature. Linear loads draw the… Read more

Dec 30, 2019 | Energy and Power

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 | Industrial Automation ♛

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 | Energy and Power

Five switching devices you are likely to spot in most of the low voltage switchgears

This technical article will try to shed some light on switching devices usually installed in low voltage switchgear – circuit breakers, contactors, disconnectors, load-break switches, switch disconnectors and fuses. There… Read more

Dec 23, 2019 | Low Voltage