LV/MV/HV Technical Articles
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.
Browse //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.
Browse //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 //EEP - Electrical Engineering Portal
Energy & Power For All!

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…...

Transformers and equipment in underground distribution systems
The purpose of the transformer insulation resistance test is to measure the condition of a “major” insulation system – i.e., the insulation between a winding and ground (core) or between two windings. IEEE C57.125 recommends… Read more

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…...

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…...

The basics of high voltage switching equipment in power substations and switchyards
A circuit breaker is defined as “a mechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions and also making, carrying, and breaking for a specified time, and breaking currents under… Read more

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…...

Cables Database tool for design of cables connections, laying and terminations
This Database intends to standardize design of cables connections, laying and terminations as well as easy modifications, tracking and recording of As Built status during construction, commissioning and energizing. Cables Database is intended for electrical… Read more