Six MV/HV applications of series capacitors for improving the power quality

Series capacitors are connected in series in the circuit and therefore carry the full transmission line current. The series capacitor is actually a negative reactance in series with a transmission… Read more

Jan 23, 2019 | Power Quality

6 not-that-easy-to-understand terms related to a power transformer you should understand

There are many terms related to the power transformer operation that can be easily visualized which are especially important for students, like for example transformer construction or regular working principle…. Read more

Jan 21, 2019 | Electrical Lectures

The basic understanding of an earthing protection system (diagram and definitions)

As you already know, protective conductors are the main part of every earthing protection system, but the complexity of the system will increase with the requirements of information technology, voltage… Read more

Jan 16, 2019 | Electrical Lectures

Sizing a MV generator circuit breaker (GCB) in terms of breaking capacity

The main function of a circuit breaker is to carry the rated current of the generator and break both the short-circuit current supplied by the generator and that supplied by… Read more

Jan 14, 2019 | Energy Generation

How to determine compensation of reactive power of an electrical installation

Improving the power factor of an electrical installation (compensation of reactive power) has many economic and technical advantages, but it’s not always easy to do so. There are numerous approaches…...

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Jan 11, 2019 | Energy and Power ♛

The basic things about substations you MUST know in the middle of the night!

To explain in very simple words, I would say that substation is a bunch of electrical devices gathered and connected in one place. On top are clever electrical devices who… Read more

Jan 09, 2019 | Electrical Lectures

Protection scheme for the substation with a single supply from the utility

The utility supply voltage depends on both availability and consumer requirements. The consumer transformer is connected delta on the high-voltage side and grounded wye on the low-voltage side. A fused-disconnect… Read more

Jan 07, 2019 | Power Substation

Analysis of faults in machine and transformer windings

The analysis of faults in synchronous machine and transformer windings presents a special difficulty because the effective impedances of the affected windings under internal fault conditions are not normally known…. Read more

Jan 02, 2019 | Power Substation

Well engineers, it’s about time… Happy New Year!

A short note from me today. I’d just like to wish you a very happy New Year on behalf of myself and everyone else at EEP. It’s been a long… Read more

Dec 31, 2018 | Energy and Power

Directional protection relays applied to multiple power sources, parallel circuits and loops

Directional protection is usually applied to distribution systems that contain multiple power sources, parallel circuits and rings/loops. For such systems it is absolutely necessary to have protection against fault currents…...

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Dec 27, 2018 | Premium Content ♛