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Technical Articles

Medium Voltage

Learn how to interpret interlocking schemes between MV cubicles (single line and wiring diagrams)

There are numerous variations of MV switchgear topology, measurement, and control logic. However, there are also some basic rules related to these aspects which may be frequently seen in practice, with the purpose of increased safety and reliability during operation…....

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Mar 12, 2020 | By

Mastering single line and wiring diagrams: Interlocking between MV cubicles
Power Substation

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 the electrical transmission and distribution systems. Analyzing electric power systems,…...

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Mar 05, 2020 | By

Analysing power transformers in electric power systems
Energy and Power

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 IEC standards, some misinterpretations and confusions which may be seen…...

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Feb 28, 2020 | By

When can we say that earthing arrangement is safe for people (confusions in practice)
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 simple, and it requires special attention for each component of… Read more

Feb 24, 2020 | By

The art of designing the auxiliary system of a power plant
Energy and Power

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 installation, the role of the pumping station inside a sewer…...

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Feb 14, 2020 | By

Design and control considerations for an example of the waste water pumping station
Low Voltage

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 on which are mounted on the face, back, or both,…...

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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.
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Feb 05, 2020 | By

Lessons I learned during installation and wiring of LV switchboard


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