How to design the power supply for data centres and airports while megawatts of loads rise fast
The first choice for service and distribution voltage is almost always 480 volts. Why is that? Well, it’s because it’s traditional, it has a safe design and specifications are already written around 480 V. UPS and backup aggregate equipment are…...
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Dec 26, 2022 | By Edvard Csanyi
Failure cases of LV/MV electrical equipment and what should have been done (to avoid them)
Generally, the useful life of power system components heavily depends upon the level of care given to them and their duty cycles. For example, a circuit breaker on mainly switching duty can last 40 to max. 50 years. The majority…...
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Dec 19, 2022 | By Edvard Csanyi
Inside the Modern Digital Low Voltage Switchgear: Devices and Communications
Low voltage switchgear is one of the significant pieces of equipment utilized for power distribution in electrical systems of all types of process and chemical plants. There is a migration from conventional low-voltage switchgear to the current digital version due…...
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Dec 12, 2022 | By Shibu P.R.
How should facilities optimize their power consumption due to the hiking energy prices?
Nowadays, the enormous energy consumption worldwide has taken a downturn due to the hiking energy prices. Whether it’s gas, oil, or coal, the rising costs forced many facilities worldwide to cut their energy expenses. This is a good moment to… Read more
Dec 05, 2022 | By Edvard Csanyi
Voltage Drop Analysis and Calculation Essentials (MS Excel Sheet Bonus)
A voltage drop is the total amount of voltage loss that happens through all or part of an electric circuit due to impedance and other factors. The more the voltage drops in the system, the more negative impacts will likely…...
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Nov 28, 2022 | By Mohammed Ayman
Cyber Monday in EEP! 30% off on courses and 20% off on PRO membership plan!
Black Friday is gone, but Cyber Monday is here and it’s getting better! It’s the Last Day!! Let us share with you two Cyber Monday deals for our electrical engineers, expiring on December 1st: 20% off on EEP Pro Premium… Read more
Nov 25, 2022 | By Edvard Csanyi
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
Often incorrectly specified and ordered: Power transformer fittings and accessories
Modern transformers are like cars full of sensors and electronics that scream and flash when something goes wrong. Most of the time, that’s very good and useful, but it could be irritating in case of repetitive false alarms that need…...
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Nov 14, 2022 | By Edvard Csanyi
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
Learn how to interpret and design single-line diagrams (SLD) for complex projects
A complex project comprises loads ranging from small loads such as sockets and lights to higher loads like Air Handling Units (AHUs), Fan Coil Units (FCUs), motor pumps, and other high motor-driven loads. Loads connected to the project are gathered…...
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Oct 31, 2022 | By Mohammed Ayman
Do you know what reactive power compensation is? If not, keep reading, it’s important.
When reactive power devices, whether capacitive or inductive, are purposefully added to a power network in order to produce a specific outcome, this is referred to as compensation. It’s as simple as that. This could involve greater transmission capacity, enhanced… Read more
Oct 24, 2022 | By Edvard Csanyi
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
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
