How to prepare an enquiry for a power transformer: Design and tendering tips
Nothing is more crucial during the early phase of a transformer inquiry than a complete and explicit listing of all requirements that must be met from both the manufacturer’s and the user’s perspectives. The IEC standards include detailed requirements that…...
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Oct 10, 2022 | By Edvard Csanyi
Ten biggest mistakes and misconceptions in the design of low voltage distribution systems
To provide the end user with a safe, effective, and reliable solution, a designer must steer clear of numerous blunders and misconceptions when creating a low voltage distribution design. Although there are many misconceptions about electrical designs, the ones I’ll…...
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Oct 03, 2022 | By Mohammed Ayman
Procedures and activities during the design and tendering phase of HV project engineering
Before getting into the project engineering phase, power system planning with the focus on basic design aspects of main power system components must be performed. Based on recommendations resulting from various studies, the project engineering phase, mainly covers the design,…...
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Sep 26, 2022 | By Edvard Csanyi
The art of a low voltage switchgear design: The case study and practical experience
LV panels are metal-enclosed switchgear that provides a three-phase power distribution to supply electric power at voltages up to 1000 volts, current up to 10000 amps, and a frequency of 50HZ or 60HZ. LV panels are always connected at the…...
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Sep 19, 2022 | By Mohammed Ayman
Top 20 recommended courses on EEP Academy for electrical engineers and students
Nowadays, it’s simpler than ever to learn and study. Since we launched the EEP Academy, thousands of electrical engineers, students, technicians, and many others have joined the ranks of those who are fervently seeking information and experience. The courses we… Read more
Sep 12, 2022 | By Edvard Csanyi
Instructions for generating specifications and selecting the main components of an HV substation
From the point of making specification, high voltage substation is pretty complex. There are dozen of substation equipment that must be specified and selected out of hundreds of manufacturers. This article will help a little bit with some fundamental instructions…...
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Sep 05, 2022 | By Edvard Csanyi
How to avoid unnecessary replacement of a switchgear by limiting short-circuit fault current
Short-circuit fault current limiters come in a variety of kinds for use in low, medium, high, and extra high voltage systems. Some have been in service for many years, such as the traditional limited series reactor. Other technologies, such as… Read more
Aug 29, 2022 | By Edvard Csanyi
Inside the capacitor bank panel: Power factor correction, calculation and schematics
Various calculations must be performed during the electrical design stages of any project to deliver a safe electrical system for the end user. One of the essential things that must be taken into account after calculating the total and demand…...
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Aug 22, 2022 | By Mohammed Ayman
Inside the power grid collapse and measures for preventing voltage instability and loss
The problem of voltage stability and voltage collapse has been studied and investigated for some decades now. A number of incidents have appeared around the world and some intensive work has been made to better understand the phenomena and to… Read more
Aug 15, 2022 | By Edvard Csanyi
Tricks in designing and analyzing schematics and diagrams of high voltage substations
High voltage power substations are complex networks of power and control connections, represented by design elements like- Single Line Diagrams, layout and block diagrams, schematics, logic diagrams, schedules, and so many more. Wiring diagrams and schematics, in a sense, are…...
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Aug 08, 2022 | By Bishal Lamichhane
Breaker failure protection applications of modern numerical distance relays
Modern numerical distance relays are equipped with a wide range of protection features, including overcurrent, overvoltage, undervoltage, underfrequency, overfrequency, breaker failure, synchronism check, power swing blocking and tripping, pilot protection schemes, digital relay-to-relay communications capability, logic programmability, and sophisticated math… Read more
Aug 01, 2022 | By Edvard Csanyi
Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting
Proper analysis of the VFD’s power and control circuit diagrams is essential for successful troubleshooting. But before starting any analysis, you must know how your system connected through VFD works and how it breathes. You must also know all components…...
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Jul 25, 2022 | By Mohammed Ayman
Key points on how to design a fault-tolerant and reliable facility distribution system
Nowadays, power system reliability is more important than ever. Regardless of how reliable the individual power-system components may be, some sort of power-system redundancy is necessary to attain high levels of power-system reliability, with the ultimate aim being 24 hour/day… Read more
Jul 18, 2022 | By Edvard Csanyi
Secrets and warnings in operation and maintenance of a Gas Insulated Substation (GIS)
After its inception in the mid-1960s, GIS technology has become a remarkable success over a wide range of high voltage applications up to 800 kV. Reliable operation and compact size have been its main advantages over its conventional air-insulated counterparts…....
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Jul 11, 2022 | By Bishal Lamichhane
The most often low-voltage switchboard supply schematics implemented on-site
This technical article is dedicated to several different low voltage switchboard supply schematics often installed on-site. First, we shall look at the several standard LV switchboard supply schematics (network supply only), then supply schematics for switchboards backed up by generators,… Read more
Jul 04, 2022 | By Edvard Csanyi
