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Category 'Premium Content' - Technical Articles

Technical articles in the “Premium Contents” category are fully accessible to Premium Members only. Electrical engineering guides, specialist technical articles, and papers authored by experienced electrical engineers are all available to premium users. As an electrical engineer working in the Low-, Medium-, or High-Voltage fields, it will help you develop the professional technical skills you’ll need on the job.

Power Substation

Hints on installation and commissioning power transformers (experience and recommendations)

Purchasing a power transformer for a project is always challenging for every electrical engineer dealing with the procurement. You could omit dozens of possible details from the final specification and get crucified by the company management if you accidentally forget…...

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Sep 28, 2020 | By

Hints on installation and commissioning power transformers (experience and recommendations)
Energy Generation

My experience in the first synchronization of the MV generator in an industrial plant

Any power plant commissioning, from small industrial GTG (Gas-To-Gasoline) to nuclear facility, will converge to a very final step before (provisional) commercial operation, sometimes empathized as “first kW”: synchronization to the local or national grid. This is in fact a…...

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Sep 21, 2020 | By

My experience in the first synchronization of the MV generator in an industrial plant
Power Substation

How to convert an old substation into a digital substation?

Typically, substations comprise power elements like power transformers, switches, busbars, etc. and control elements like protection units, metering units, RTUs, SCADA, etc. While the power elements are mandatory requirements, the control elements vary as per the function of a substation…...

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Sep 07, 2020 | By

How to convert an old substation into a digital substation?
High Voltage

Substation and switchyard support structures for electrical equipment (you SHOULD know)

Substation and switchyard structures are used to support the above-grade components and electrical equipment such as cable bus, rigid bus, and strain bus conductors, switches, surge arresters, insulators, and other equipment. Substation and switchyard structures can be fabricated from latticed…...

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Aug 26, 2020 | By

Substation and switchyard structures that support electrical equipment
Energy and Power

My experience in solving problems in the cracker plant using a high-speed bus transfer solution

Incoming power supply details: Two of 6.6kV voltage lines are connected to the cracker plant from the distribution substation through reactors. Captive power plant (electricity generation facility) consists of two 36MVA gas turbine generators, two 5MVA steam generators, and two…...

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Aug 17, 2020 | By

My experience in solving problems in cracker plant using High-Speed Bus Transfer (HSBT)
Power Substation

My practical experience in the electrical protection system of industrial generators

A functional protection system installed, commissioned, and maintained on critical equipment like an industrial generator is of high importance. As such, every protection system must have the ability to: accurately detect, discriminate and isolate, and timely disconnect any fault. Each…...

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Aug 03, 2020 | By

My practical experience in the electrical protection system of industrial generators
Low Voltage

A case study of fault level calculations for a MV/LV network using direct method

This technical article represents the case study of fault level calculations for an MV/LV network using the direct method. There are many advantages of the direct approach, and the main of them is that it directly uses the system single…...

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Jul 19, 2020 | By

A case study of fault level calculations for a MV/LV network using direct method
Low Voltage

My experience and guidance in the design and electrification of a modern airport

The electrical systems for airports require proper quality installations and consideration for features usually not involved in other electrical installations. In this article, we will be discussing the general elements of electrical practices and facilities which have special significance for…...

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Jun 29, 2020 | By

My experience and recommendations in the design and electrification of airports
Medium Voltage

Primary rated values for medium voltage switchgear often mixed by engineers

It’s not unusual to see that engineers mix terms of primary ratings. If they are not understood well, yes, it’s possible to mix some of them. But it’s essential to differentiate them. This technical article will try to shed some…...

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Jun 22, 2020 | By

Primary rated values for medium voltage switchgear
Energy and Power

A real-life case study of relay coordination (step by step tutorial with analysis)

I would say that coordination is a TEAMWORK. In the protection context, it implies how the various protection devices in an electrical distribution network, work as a team, to achieve the common objective of power supply continuity, even in the…...

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Jun 15, 2020 | By

A real-life case study of relay coordination
Maintenance

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 or sub-transmission category of power supply at the range of…...

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Jun 01, 2020 | By

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

The most common issues I experienced in wiring of a medium voltage switchgear

Nowadays, the design and manufacturing of a Medium Voltage switchgear is not an easy task. Many factors could affect the generation of an optimal set of engineering drawings to be easily followed by the wiring people in the shop. One…...

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May 18, 2020 | By

The most common issues I experienced in wiring of a medium voltage switchgear
Medium Voltage

My experience in the design and installation of medium voltage switchgear

Medium Voltage (MV) switchgear is typically any switchgear over 1000V in the United States (US). Some of the nominal voltage ratings used in the US by power utilities are 2.4-4.16kV, 7.2kV, 13.8kV, 14.4kV, 23kV, 34.5kV and so on. The design…...

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May 07, 2020 | By

My experience and issues during the design and installation of medium voltage switchgear
Cables

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 without which a substation would not be able to operate…...

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Apr 27, 2020 | By

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

Practical tips for the protection of generators and power transformers

There are usually several ways of protecting HV/MV generators and transformers. It should be noted that one protection relay is often used for several functions, for example, an overcurrent relay can be used for both overcurrent and earth fault protection…....

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Apr 17, 2020 | By

Practical tips for the protection of generators and power transformers


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