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Power Substation ♛

Fundamental electrical schemes of connections for supply at generator voltage and higher

This technical article will shed some light on fundamental schemes and arrangements of connections for supply at generator voltage, higher than generated voltage, and a few basic transmission schemes. It…...

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Learn from experienced power engineers. Study specialized technical articles, papers & video courses. Get 50% off on all courses & bundles with the Enterprise plan!

LV/MV/HV Technical Articles

Power Substation ♛

The mystery of nuisance tripping incidents in transformer protection that worry engineers

This technical article deals with transformer failure incidents due to nuisance tripping caused by various design flaws, operational conditions, or improper protection relay settings. The focus is on differential protection…...

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Feb 22, 2021 | By Salem Alshahrani

The mystery of nuisance tripping incidents in transformer protection that worry engineers
Medium Voltage ♛

Sizing of 110V DC charger for MV panels – Auxiliary power supply in power substations

An auxiliary DC power system that consists of a charger, battery bank, DC distribution system, and monitoring system is a critical part of the primary/secondary substation. It is directly associated…...

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Feb 08, 2021 | By Bishal Lamichhane

Sizing of DC charger 110V (Auxiliary power supply used in primary/secondary substation) for MV panels
Power Substation ♛

Learn how to read and analyze control circuits of MV gas insulated switchgear (GIS)

Previously, an introductory part of the GIS and its components were discussed to pave the way for the GIS control circuits. Moreover, the single-line diagram example for a double-bus and…...

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Jan 25, 2021 | By Salem Alshahrani

Learn how to read and analyze control circuits of MV gas insulated switchgear (GIS)
Power Substation ♛

Mastering GIS control circuits: AC/DC auxiliary circuits and circuit breaker closing circuit

A gas-insulated substation (GIS) is usually utilized in high voltage applications in which all conductive parts are encapsulated in sealed cylinders with SF6 as the insulating medium. The air-insulated substation…...

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Jan 11, 2021 | By Salem Alshahrani

Mastering GIS control circuits – AC/DC auxiliary circuits and circuit breaker closing circuit

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Grounding principles in substations, transmission and distribution networks

Grounding principles in substations, transmission and distribution networks

The value of the ground resistance is a very important factor to be considered for reliable operation of substations and transmission and distribution networks. The ground resistance essentially provides zero…...

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Fundamentals Of Protective Relaying Principles and Applications

Fundamentals Of Protective Relaying Principles and Applications

The fundamental objective of system protection is to provide isolation of a problem area in the power system quickly, so that the shock to the rest of the system is…...

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Electric Power Calculations For Engineers and Technicians

Electric Power Calculations For Engineers and Technicians

This guide provides detailed step-by-step calculation procedures commonly encountered in low- medium- high voltage as well as instrumentation and other electrical engineering fields. The Handbook contains a wide array of…...

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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!

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