Design tips for medium voltage systems and switchgears in power substations

Medium voltage networks are networks with rated voltages of over 1 kV and up to 36 kV. Medium voltage switchgear is used in transformer substations and switching substations, and in… Read more

Feb 26, 2020 | Medium Voltage

The art of designing the auxiliary system of a power plant

Power plant auxiliary system is usually pretty complicated and consists of dozen of motors, transformers, capacitor banks, variable frequency drives, PLCs, and other electrical devices. Therefore, protection relaying cannot be… Read more

Feb 24, 2020 | Electric Motor

Controlling power system parameters through reactive power (VAr) compensation

To be honest, transmission and distribution networks are full of problems. But that’s nothing new, and you already knew that. This technical article will shed some light on solving some… Read more

Feb 17, 2020 | Energy and Power

Design and control considerations for an example of the waste water pumping station

Waste water pumping stations are very common application examples of three phase induction motor. There are numerous varieties of power supply and control logic, depending on exact conditions in the…...

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Feb 14, 2020 | Energy and Power ♛

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 | Energy and Power

The art of transformer maintenance, inspection and repair (recommended practices)

The primary purpose of transformer maintenance is to ensure the internal and external parts of the transformer and accessories are kept in good condition and “fit for purpose” and able… Read more

Feb 10, 2020 | Maintenance

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 | Low Voltage ♛

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 | Energy and Power

Eight criteria you should consider when choosing the right MV/LV transformer type

Although there are few common-sense rules that every electrical engineer follow when choosing the transformer type, it’s always a good idea to name the most important of them. This technical… Read more

Jan 29, 2020 | Power Substation

Connections and composition of LV/MV/HV capacitor banks

Compensation capacitors are installed in numerous locations in electrical installations. They are to be found in high voltage transmission and distribution systems, in transformer substations and also at various levels… Read more

Jan 27, 2020 | Energy and Power