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Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, papers, and electrical engineering video courses.

LV/MV/HV Technical Articles

Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)

The Association of Steam and Electric Apparatus Owners (APAVE) generally classifies low-voltage equipment as any equipment that requires a rating of ≤ 1000 volts to operate. With a majority of electrically driven equipment falling under…...

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Dec 28, 2020 | Energy and Power ♛

Ten most dangerous mistakes in the operation of low voltage switchgear (you should be aware of)

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits

In the last article, an introductory part of the switchgear control circuits, including DC/AC circuit and breaker closing circuit, was discussed thoroughly. This article continues the discussion with a breaker trip circuit, bay control-protection unit…...

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Dec 14, 2020 | Medium Voltage ♛

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit

Control circuits are vital to the operation of medium voltage switchgear. The integrity of these control circuits is essential to the switchgear’s proper operation, so commissioning and maintenance activities records are extremely important for troubleshooting…...

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Nov 30, 2020 | Medium Voltage ♛

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit
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!

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EEP - Electrical Engineering Portal

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StationGuard - Cybersecurity and functional monitoring for substations
Transformer practice book for electrical engineers

Transformer practice book for electrical engineers

Most power systems require an earth connection, in fact in most countries there is a code rules and requirements that all electrical systems should have a connection with earth. It is convenient, therefore, if the…...

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MV/HV/EHV Switchgears In a Nutshell

MV/HV/EHV Switchgears In a Nutshell

Switchgear is a generic term and includes the entire range of switching devices and their combination with associated control, measuring, protecting and regulating equipment. It tis an important link in any power system network, including…...

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Power System Relaying For Final Year Undergraduate Students and Professionals

Power System Relaying For Final Year Undergraduate Students and Professionals

This book is primarily intended to be a textbook on protection, suitable for final year undergraduate students wishing to specialize in the field of electric power engineering and practicing relay engineers already working in this…...

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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 motor. Ampacity is that which…...

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