Protective grounding requirements for transmission and distribution lines

This technical article covers protective grounding requirements for steel tower and wood pole supported transmission and distribution lines, and insulated power cables. Protective grounds must be installed so all phases… Read more

Sep 25, 2019 | Maintenance

Things you MUST know when commissioning low voltage switchgear and circuit breakers

Purchasing low voltage switchgear is not that easy, it’s not like purchasing a new TV or laptop. You have to be very experienced and deadly serious when specifying and ordering… Read more

Sep 23, 2019 | Low Voltage

Why we find temperature so important everywhere in electrical engineering?

The purpose of this article is to underline and illustrate the importance of temperature for various aspects of electrical engineering. This is one of the crucial engineering issues from the…...

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Sep 20, 2019 | Energy and Power ♛

Major components you can spot while looking at HV/EHV GIS (Gas-insulated switchgear)

Gas-insulated switchgear (GIS) is a piece of high voltage equipment that is being constantly developed day by day. The basics of GIS technology is more or less the same, but… Read more

Sep 18, 2019 | High Voltage

Operating centralized automatic compensation systems when supplying linear loads

For energy-efficient operation of decentralized multiply-fed industrial networks, each load-centre substation must have its own centralized reactive-power compensation system for automatic PF correction. The automatic reactive-power compensation systems used for… Read more

Sep 16, 2019 | Low Voltage

Testing and commissioning of HV power transformers, circuit breakers, CTs and VTs

As you already know, substations are the points for controlling the supply of power on different routes by means of various equipment such as power transformers, circuit breakers, CTs/VTs, compensating… Read more

Sep 11, 2019 | Power Substation

Interference and noise affecting transmission media in protection signalling

The transmission media that provide the communication links involved in relay protection signalling are private pilots, rented pilots or channels, power line carrier, radio and the newest and the most… Read more

Sep 09, 2019 | Protection

Field devices and signals used for LV SCADA operations

At low voltage level, SCADA applications are usually used for process control and monitoring of equipment. Furthermore, incoming circuit breakers or switch disconnectors inside large LV switchboards may also be…...

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Sep 05, 2019 | Metering ♛

The facts about modern rotary and static uninterruptible power systems (UPS)

This technical article covers the brief explanation of the power quality issues with the reference to the past as well as two main types of modern UPS systems – rotary… Read more

Sep 04, 2019 | Energy and Power

Reactive power and power factor correction essentials to ALWAYS keep on mind

Why reactive power and power factor correction is so important? Well, for experienced engineers, this is not the question but the fact. For young students who meet this matter and… Read more

Sep 02, 2019 | Electrical Lectures