The difference in how series and shunt capacitors regulate the voltage and reactive power flows

At a casual look, a capacitor seems to be a pretty boring and unsophisticated device, that is, two metal plates separated by a dielectric i...

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Dos, don’ts and precautions in wiring cables and conductors inside low-voltage switchboard

To be clear from the very beginning of this article, there is no standard model for wiring low voltage switchboards and panelboards. Howeve...

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Top ten courses on EEP Academy for electrical engineers, technicians and students

Learning and studying have never been easier than nowadays. Since we started the EEP Academy, there are thousands of electrical engineers, ...

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A few practical ways to determine required reactive energy compensation for a power system

This article will shed some light on how adding capacitors gives the distribution system the necessary reactive power to return the power f...

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The art of load shedding and online applications in a power system under an emergency state

Load shedding is a controllable reduction of a predetermined amount of the load power consumption according to specific shedding criteria. ...

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How to measure power quality? What devices should you use and what to measure?

Measuring power quality and finding a bugbear in the network which is messing with the power are considered a highly paid job. Every electr...

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Hey engineers, wish you a happy and normal new year, 2021!

Just a short note from me today, the end of this crazy year. I’d like to wish you a normal and happy New Year on behalf of myself and every...

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Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)

The Association of Steam and Electric Apparatus Owners (APAVE) generally classifies low-voltage equipment as any equipment that requires a ...

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Troubleshooting the most typical winding problems of three phase electric motors

It’s always important to identify the real cause of burned windings and not just to replace the electric motor. Motor windings have a diffe...

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Your Black Friday in EEP 🎁 (30% + 20% OFF)

Hi, hope all is well with you! Let me kindly share with you some Black Friday offers for our new customers valid till December 3rd: 20% on ...

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The most used types of single-phase motors in the world

You should know that single-phase motors are rarely rated above 5 kW. Fractional-kilowatt motors, most of which are single-phase, account f...

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Why remote racking of LV/MV circuit breakers is a smart investment but so rare to see?

Circuit breaker racking is one of the most prominent exercises in the power system that exposes an operator to risk. A sudden malfunction d...

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Eight fuse characteristics you must consider when designing protection circuits

Fuses were the first type of protection to be used, and they still have a place in numerous applications. Although they do not have the fle...

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The essentials of electrical systems in cement plants

Many young engineers consider cement plants pretty complicated because of their weird technology. The reason probably lies in the fact that...

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Earth fault protection in a solidly (effectively) earthed high voltage power systems

The fault statistic shows that earth faults are the dominating fault type and therefore the earth fault protection is of main importance in...

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My experience in solving problems in the cracker plant using a high-speed bus transfer solution

Incoming power supply details: Two of 6.6kV voltage lines are connected to the cracker plant from the distribution substation through react...

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Six differential stator-phase-fault protection (87) for all size generators (you MUST know)

Generally, phase faults at generators rarely occur, but when they do, large fault currents can flow and make the mess. The best protection ...

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Protection of three-phase motors from unbalance (loss of phase and phase rotation)

The most common cause of unbalance for three-phase motors is the loss of phase resulting from an open fuse, circuit breaker, connector, or ...

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How system earthing keeps you and the network safe

The term “earthing” consists of several functions which only have “utilizing the earth” in common. Before describing the system earthing, i...

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Electrical insulation testing – Often underestimated until things go really bad

Due to mechanical damage, vibrations, (excessive) heat/cold, moisture/humidity, chemical influences and interactions and aging pinholes, cr...

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