Protection
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 | By Edvard
Power Substation
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 | By Edvard
Power Substation ♛
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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 | By Edvard
Energy and Power
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 | By Edvard
Power Substation
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 | By Edvard
Energy and Power ♛
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When can we say that earthing arrangement is safe for people (confusions in practice)
This article will analyse some of the most important safety issues related to design and use of LV electrical installations. Besides explanation of relevant terms in this field defined by…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Feb 28, 2020 | By Miodrag Kokotovic
Medium Voltage
Design tips for medium voltage systems and switchgears in power substations
Medium voltage networks are networks with rated voltages of over 1kV and up to 36kV. Medium voltage switchgear is used in transformer substations and switching substations, and in secondary unit… Read more
Feb 26, 2020 | By Edvard
Electric Motor
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 | By Edvard
Energy and Power
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 | By Edvard
Energy and Power ♛
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Design and control considerations for an example of the waste water pumping station
Wastewater pumping stations are very common application examples of three-phase induction motors. There are numerous varieties of power supply and control logic, depending on exact conditions in the place of…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Feb 14, 2020 | By Miodrag Kokotovic
Energy and Power
Inevitable in almost all electrical switchboards – Residual current device (RCD)
Technology that RCD uses is so simple and so magical. The residual current device continually measures the difference between the value of the outgoing and incoming currents in the circuit… Read more
Feb 12, 2020 | By Edvard
Maintenance
The art of transformer maintenance, inspection and repair (recommended practices)
The primary purpose of transformer maintenance is to ensure the internal and external parts of the transformer and accessories are kept in good condition and “fit for purpose” and able… Read more
Feb 10, 2020 | By Edvard
Low Voltage ♛
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Lessons I learned during installation and wiring of LV switchboard
Let’s start with some basic definitions from the United States National Electrical Code (NEC). Low voltage switchboard is generally defined as a large single panel, frame, or assembly of panels…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Feb 05, 2020 | By Amar M
Energy and Power
Advices in choosing the right neutral earthing system for your installation
The choice of a neutral earthing system is dependent on requirements and objectives that are often contradictory to such an extent that sometimes several systems have to be created within… Read more
Feb 03, 2020 | By Edvard
Power Substation
Eight criteria you should consider when choosing the right MV/LV transformer type
Although there are few common-sense rules that every electrical engineer follows when choosing the transformer type, it’s always a good idea to name the most important of them. This technical… Read more
Jan 29, 2020 | By Edvard
