Electrical Lectures
Learn how to interpret transformer nameplate information
As we all know, all substation equipment (should) have a metal plate with its “name” on it. Here we’ll discuss power and distribution transformers and information that their nameplates carry…. Read more
Apr 12, 2021 | By Edvard
Power Substation ♛
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My advice in successful reading single-line, schematic, P&ID, logic, and wiring diagrams
Engineering tasks require a good skill in reading and interpreting information on drawings. Engineering drawings are the industry cornerstone of conveying detailed and precise information on how to construct, troubleshoot,…...
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Apr 05, 2021 | By Salem Alshahrani
Electrical Lectures
Top ten courses on EEP Academy for electrical engineers, technicians and students
Learning and studying have never been easier than nowadays. Since we started the EEP Academy, there are thousands of electrical engineers, students, technicians, and many others who are literally hungry… Read more
Mar 31, 2021 | By Edvard
Protection
Three basic principles of differential protection you SHOULD properly understand
The three basic principles of differential protection explained in this article, which has been known for decades, are still applicable and independent of the specific device technology. The differential protection… Read more
Mar 29, 2021 | By Edvard
Low Voltage ♛
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My experience in drafting the layout of an LV switchgear (equipment, inside installations)
Low voltage (LV) switchgear is a broad terminology that includes a wide range of equipment like circuit breakers, switches, offload isolators, MCCBs, etc. within the 1 kV rating required to…...
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Mar 22, 2021 | By Bishal Lamichhane
Low Voltage
The essentials of automation applied to distribution systems via PLCs, SCADA, IEDs, and RTUs
Nowadays, it seems that everything we do tend to be somehow automated. The very same is happening in electrical distribution systems. The distribution system at the medium voltage (MV) or… Read more
Mar 15, 2021 | By Edvard
Power Substation ♛
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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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Mar 08, 2021 | By Edvard
Energy and Power
A few practical ways to determine required reactive energy compensation for a power system
This article will shed some light on how adding capacitors gives the distribution system the necessary reactive power to return the power factor to the required level. Capacitors act as… Read more
Mar 01, 2021 | By Edvard
Energy and Power
The art of load shedding and online applications in a power system under an emergency state
Load shedding is a controllable reduction of a predetermined amount of the load power consumption according to specific shedding criteria. The predetermined amount of load to be shed is traditionally… Read more
Feb 24, 2021 | By Mohamed EL-Shimy
Power Substation ♛
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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
Maintenance
Troubleshooting Buchholz relay and recommended actions when it operates
This technical article provides guidance on the possible causes of Buchholz relay operation and recommends actions following the receipt of a Buchholz surge trip or gas collection alarm. It covers… Read more
Feb 15, 2021 | By Edvard
Power Substation
Functional testing of IEC 61850 based Substation Automation Systems
Testing the protection element settings of IEDs and protection schemes are well established practices when testing a Protection, Automation and Control (PAC) system. Tools and methods are available to support… Read more
Feb 08, 2021 | By Christian B. and Eugenio C. at OMICRON
Medium Voltage ♛
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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
Maintenance
Recommendations for the successful erection of medium voltage switchgear
Electrical engineers working on project execution know that switchgear erection brings many challenges, no matter the voltage level. The switchgear cannot always be assembled in the factory and shipped to… Read more
Feb 01, 2021 | By Edvard
Power Substation ♛
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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
