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LV/MV/HV Technical Articles

Premium Content ♛

Learn how to design an optical communication system for a transmission line network

Communication networks are an integral part of interconnected transmission lines in a power grid, analogous to the spinal cord for control signal and information exchange among substations, data hubs, and…...

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May 09, 2022 | By Bishal Lamichhane

Learn how to design an optical communication system for a transmission line network
Power Substation ♛

The most common type tests required for medium and high voltage switchgear

Let me put the definition of switchgear type tests this way. A switchgear MUST withstand voltage in normal and abnormal conditions and to carry varying load currents during its lifetime…....

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May 02, 2022 | By Edvard

The most common type tests for medium voltage switchgear required from customers
Power Substation ♛

Influence of imminent future techs in power substations (trends, IoT design, cyber security)

Advancement in technology is not something unheard of and metaphorically, it has this unique tendency of replicating the pattern of biological evolution. The design and operation of power substations follow…...

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Apr 18, 2022 | By Bishal Lamichhane

Influence of imminent future techs in power substations (trends, IoT design, cyber security)
Maintenance ♛

Capacitor banks protection, cautions and maintenance tips

It would not be wrong to say that humanity has never consumed so much electricity, and to make the paradox bigger, there is still a lack of energy. The sharp…...

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Apr 04, 2022 | By Rahmatullah Alam

Capacitor banks protection, cautions and maintenance
Power Substation ♛

Design overview and optimization of 132/33 kV substation switchgear and protection systems

The step-down substations make up for more than 80% of total grid substations and are the focal point of sub-transmission and distribution systems. Usually, HV substations within the power transmission…...

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Mar 21, 2022 | By Bishal Lamichhane

132/ 33 kV substation layout and protection zone
Medium Voltage ♛

Medium voltage switchgear: Important design considerations and applications

This technical article explains various aspects of the application of medium voltage switchgear and highlights the considerations for the selection of suitable circuit breakers for different applications. Medium voltage switchgear,…...

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Mar 14, 2022 | By Edvard

Medium voltage switchgear: Important design considerations and applications
Energy and Power ♛

Learn what is inside a modern ATS panel and how to analyze the circuit diagrams

One of the ways to mitigate a successive transfer of power in case of loss of supply, power outage, or scheduled maintenance is the use of a transfer switch. The…...

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Mar 07, 2022 | By Chidubem Asogwa

Learn what is inside the modern ATS panel and how to analyze the circuit diagrams
Power Substation ♛

Lockout relay (master trip relay) in substation protection and control design

Lockouts and auto-reclosures are apprentices of power systems protection that have long served to regulate power supply and safeguard important components from probable catastrophes. But are we taking them seriously…...

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Feb 21, 2022 | By Bishal Lamichhane

Lockout relay (master trip relay) in substation protection and control design

EEP - Electrical Engineering Portal

Energy & Power For All!

Better Practice in Control System Power and Grounding

Better Practice in Control System Power and Grounding

In order to ensure best performance and reliability of a control system, an adequate electrical ground network must be installed. Poor or faulty grounds are among the most common causes…...

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Installation and Commissioning Manual For 345kV GIS (Gas Insulated Switchgear)

Installation and Commissioning Manual For 345kV GIS (Gas Insulated Switchgear)

This manual covers the requirements for the installation of gas insulated switchgear. The manual is based on the following documents: customers contract, approved drawings, latest revision and approved installation processes…...

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Electrical Calculations For Industrial Plants

Electrical Design Calculations For Industrial Plants

In order to design the line there are few important elements to define: voltage drop, the load, sizing the cable, ampacity, and cable temperature. The load is based on the…...

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Extra high voltage (EHV) AC transmission engineering

Extra high voltage (E.H.V.) AC transmission engineering

Development of Extra High Voltage (EHV) AC transmission started its development since the end of the WW2, with the installation of 345 kV in North America and 400 kV in…...

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Lessons I learned from commissioning substation and MV switchgear

Lessons learned from commissioning substation and medium voltage switchgear

This paper presents some general procedures for the proper inspection, testing, and start-up of critical, but often overlooked, electrical items in substations and medium voltage switchgear commonly found in petrochemical…...

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General
Engineering Guides

Becoming the good electrical engineer requires a lot of passion, training and commitment. This comprehensive section is prepared as a resource for individuals and professionals interested in the electrical engineering career path.

In this section you will find very usefull books and guides related to electrical science in general, AC/DC electrical circuits, network protection, electrical installations, lighting etc.

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Power Substation
Handbooks

Substation engineers nowdays are involved in projects from design and conceptualization to maintenance. Because of the wide range of industries using electrical engineers, many engineers specialize in some of the sub-discipline of electrical engineering.

Depending on background and expertise, projects can include systems such as energy transmission and distribution, protection and control etc.

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MS Excel Spreadsheets
(XLS, XLSX)

This section is dedicated to tools every electrical engineer can use in daily work. These spreadsheets developed by enthusiasts will make your job much more easier, alowing you to shorten the time used for endless calculations of power cables, voltage drop, power factor, circuit breakers, capacitors, cable size, power transformers etc.

Just to mention that all calculation spreadsheets are FREE for download!

Browse