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 | Edvard

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 | Edvard

15 bad situations that may lead to catastrophic explosion of a capacitor bank

Some of the failure problems associated with capacitor banks are already known, since they happen often. A few of the failures are traceable to the original source and sometimes that… Read more

Dec 23, 2018 | Edvard

The essence of LV circuit breakers – Releases, tripping curves, characteristics and limitation

A circuit breaker is both a circuit-breaking device that can make, withstand and break currents whose intensity is at most equal to its rated current (In), and a protection device… Read more

Dec 17, 2018 | Edvard

The Essentials Of Current Transformers In Power Circuits (Theory and Practice)

If the voltage or current in a power circuit are too high to connect measuring instruments or relays directly, coupling is made through transformers. Such measuring transformers are required to… Read more

Dec 03, 2018 | Edvard

10 unbalance detection schemes for removing failed capacitor bank from the system

The main purpose of an unbalance detection scheme is to remove a capacitor bank from the system in the event of a failure and fuse operation. This will prevent damaging… Read more

Nov 26, 2018 | Edvard

Neutral earthing systems of generator sets (gensets)

Generator sets have specific features that must be taken into account for protection against electric shocks. Mobile sets cannot be connected to earth and their connection by means of a… Read more

Nov 08, 2018 | Edvard

Automatic bus transfer scheme in thermal and nuclear power stations

In order to ensure uninterrupted supply to connected loads in thermal and nuclear power stations, two types of automatic supply transfer schemes are normally used: automatic bus transfer scheme and… Read more

Oct 24, 2018 | Edvard

4 important factors related to proper application of a LV circuit breaker

Consideration of all the factors related to proper application of a low-voltage circuit breaker goes beyond voltage, current, and interrupting rating. The performance of a specific type of circuit breaker… Read more

Oct 15, 2018 | Edvard

The zone selective interlocking logic of protection relays

This function significantly reduces the tripping time of the circuit breakers closest to the source. It can be used for zone selective interlocking (ZSI) in closed ring networks. It applies… Read more

Aug 27, 2018 | Edvard