My worst experience in the maintenance and supervision of medium voltage substations

While there are various voltage levels applicable across the globe depending upon the usability, the category of Medium Voltage remains one of the most critical voltage group comprising primary distribution…...

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Jun 01, 2020 | Bishal Lamichhane

Planning and installation of the low voltage switchgear – The devil is in the detail!

To be honest with you, the planning and installation of LV switchgear is a damn complicated job. But you knew that :) There are dozen of detail where you can… Read more

May 24, 2020 | Edvard

Major components of the HVDC converter station (single line diagram explained)

This technical article examines in detail the main equipment of an HVDC converter station and discusses the layout of this equipment within the converter station. The interconnection of HVDC to… Read more

Apr 29, 2020 | Edvard

The essential HV/EHV substation auxiliary facilities you should know about

Nowadays, HV/EHV substations have become pretty complex from the design point of view. Besides the main electrical equipment, which must be designed and selected correctly, there are several auxiliary facilities…...

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Apr 27, 2020 | Edvard

Switching devices you are likely to spot in every medium voltage switchgear

Up to and including 52 kV voltage range is generally referred to as “medium voltage”. This technical article shed some light on a few devices you are likely to spot… Read more

Apr 13, 2020 | Edvard

The essentials of power systems: Relay protection and communication systems

First, I would like to make a note that there are many essentials when we speak about power systems in general. The main relay protection functions (overcurrent, directional, differential, distance,… Read more

Apr 06, 2020 | Edvard

Civil engineering in installation of substation buildings and switchboard rooms

What is the civil engineering of substation? The civil engineering includes a large quantity of information and details for the structural drawings required to design switchgear installations. The structural drawings… Read more

Apr 01, 2020 | Edvard

What are the primary substation feeders? How to analyze their arrangements?

A feeder carries energy to a substation or bus or to several loads. The several substation feeder arrangements are discussed in this technical article. Feeder may connect two substation buses… Read more

Mar 09, 2020 | Edvard

An overview of transformer connections and diagrams in the electric power system

Power transformers are used extensively by traditional electric utility companies, power plants, and industrial plants. This technical article summarizes the basic types, connections, and diagrams of transformers needed for analyzing…...

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Mar 05, 2020 | Edvard

Primary substations and bus layouts in the distribution system of an industrial plant

The primary distribution system of an industrial plant is generally the higher voltage portion of the system, starting with the purchased-power service and including generators, switching equipment, circuits, and all… Read more

Mar 02, 2020 | Edvard