Electronics
The ground is not just ground! At least not in hospitals, medical, and dental practices
This technical article analyzes the safety requirements against indirect contact employed in particularly special medical locations (e.g., hospitals, medical, and dental practices, etc.), where environmental conditions may increase the risk of indirect contact and therefore the electroshock, precisely microshock. Generally… Read more
Nov 21, 2022 | By Edvard Csanyi
Energy and Power
Grounding of mine power distribution systems
The application of electricity to the mining industry is a distinctive area of both mining engineering and electrical engineering. The difficult environment, the dynamic power loads, the cyclic and mobile operation and stringent safety requirements that characterize mining, all place… Read more
Nov 07, 2022 | By Edvard Csanyi
Maintenance
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The most common Gas-Insulated Switchgear (GIS) faults and a case of 220kV CB cubicle
Over decades since its inception, GIS switchgear demand is still prevalent in these present times due to its compact built, reliability, and maintenance advantages compared to conventional Air-insulated switchgear. Even the strong negative effect on the environment when its gas…...
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Oct 17, 2022 | By Lark C. Cosedo
Power Substation
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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
Energy and Power
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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
Low Voltage
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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
Energy and Power
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
Power Substation
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Instructions for making 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
Power Substation
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
Energy and Power
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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
Energy and Power
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
Protection
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
Energy and Power
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
Energy and Power
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
Power Substation
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What will happen to digital substations once the internet drops dead? Massive blackouts?
Here at EEP, we have already covered multiple aspects of digital substations, ranging from design, upgradations, and whatnot. We may continue writing till eternity and still be left playing catchups with the latest addition to advancements in power systems design…...
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Jun 27, 2022 | By Bishal Lamichhane
