AC and DC facilities in electrical station services of major power plant types

In a power plant, the electrical station services (abbreviated to SS in the following) consists of all the DC facilities from 24 to 220 V and AC facilities up to…...

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Mar 23, 2020 | Edvard

The art of determining the right cross-section of low voltage conductors

To be clear at the beginning of this article, determining the cross-section of conductors and cables is, for sure, not the most exciting part of electrical design. There are much… Read more

Mar 16, 2020 | Edvard

Best relay protection practices applied to shunt reactors, capacitors, SVCs and STATCOMs

This technical article explains the protection practices applied to shunt reactors and capacitors as well as to static var compensators (SVCs) and static compensators (STATCOMs). Dry-type and oil-immersed reactors usually… Read more

Mar 11, 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…...

PREMIUM Membership Required

This content is available for Premium members only. Get access to premium HV/MV/LV technical articles, electrical engineering guides and research studies.
Apply a 20% discount code 99AF8 for a 3-, 6-months, and 1-year plan! Login ♛Sign Up ♛

Mar 05, 2020 | Edvard

Five actions to achieve excellent energy savings in old electrical installations

Not all existing electrical installations lack energy efficiency, but most of them do. Especially if they were built 15-20 years ago and older. Although it is generally acknowledged that substantial… Read more

Mar 04, 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

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 | Edvard

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 | Edvard

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 | Edvard