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
Energy and Power
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Electrical engineering for hydropower, from run-of-river to pumped storage plants
Nowadays, when we all see and feel the colossal crisis looming on the horizon, the question of energy security is among the first things on the table in each country’s management. It’s now essential more than ever for each country…...
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Jun 13, 2022 | By Marco Bruschini
Electric Motor
Main and auxiliary circuit diagrams of switching three-phase motors via contactor and directly
This technical article will try to shed some light on the main and auxiliary circuit diagrams of switching three-phase motors via contactor and switching directly. We’ll cover some fundamental schematics with an old-school explanations and logics on how they work…. Read more
May 16, 2022 | By Edvard Csanyi
Energy and Power
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The essentials of standby power systems you SHOULD install before the blackout happens
The cost of a standby power system for a business can be pretty high, so it’s essential to weigh all of your options before committing to a piece of equipment. The direct and indirect costs must be clearly and unequivocally…...
Membership Upgrade Required
This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Apr 25, 2022 | By Edvard Csanyi
Energy and Power
How to handle overvoltages before any damage is done? Surge protection in a nutshell.
Prevention is better than cure, we all know this, and this is true not only for people, but also for the health of your electrical and electronic components and equipment. Smart and cost-effective strategies demand an investment in surge protection…. Read more
Apr 11, 2022 | By Edvard Csanyi
Energy and Power
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Learn what is inside a modern ATS panel and how to analyze the circuit diagrams
One of the ways to mitigate a successive transfer of power in case of loss of supply, power outage, or scheduled maintenance is the use of a transfer switch. The transfer switch is an electrical device that transfers power from…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Mar 07, 2022 | By Chidubem Asogwa
Energy and Power
Emergency breaking, stop and isolation intended to eliminate danger as quickly as possible
As their name indicates, emergency operations are intended to eliminate, as quickly as possible, a danger that occurs unexpectedly. The emergency break is designed to cut off the electrical power, whereas the emergency stop takes account of the danger of… Read more
Feb 14, 2022 | By Edvard Csanyi
Energy and Power
Learn how to prevent unplanned downtime and keep critical operations up and running
Power availability and reliability is a persistent problem and no matter the industry, or type of facility you run, downtime presents a costly risk to your operations and bottom line. Detecting electrical system vulnerabilities to prevent potential issues while planning… Read more
Jan 17, 2022 | By Edvard Csanyi
Energy and Power
Wish you all the strength, courage and clear minds in 2022!
Here we are, at the end of 2021, which was extremely intense for all of us. This year will be remembered for many things, but if you ask me, the most impressive was the global loss of common sense, sadly,… Read more
Dec 31, 2021 | By Edvard Csanyi
Energy and Power
How to modernize a power system while carrying the cost (examples of existing plant)
Existing power systems are often modernized although there is no expansion involved at the moment. The switchgear may be obsolete, representing a real hazard to the operating personnel and property. The circuit breakers may also have an inadequate interrupting capacity…. Read more
Dec 06, 2021 | By Edvard Csanyi
Energy and Power
Cyber Monday in EEP! 30% off on courses and 20% off on premium membership!
Black Friday is gone, but Cyber Monday is here and it’s getting better! Let us share with you two Cyber Monday deals for our electrical engineers, expiring on December 3rd: 20% off on EEP Pro Premium Membership and 30% off… Read more
Nov 23, 2021 | By Edvard Csanyi
Energy and Power
How to select grounding point(s) and how many generator or transformer neutrals to use
In grounding the neutral of a power system, the advantages outlined will be achieved provided that proper attention is given to the impedance of the circuit from system neutral to ground. This circuit is illustrated in Figure 1 for the… Read more
Nov 08, 2021 | By Edvard Csanyi
Energy and Power
Isolation power solutions for ultimate power availability, efficiency and safety in hospitals
Things are changing fast, really fast. Technology we used a few years ago is now obsolete, and if you take a look for a second – it’s always about power availability, efficiency, and safety. This technical article deals with Schneider… Read more
Aug 04, 2021 | By Edvard Csanyi
Energy and Power
The magic that isolation transformer uses to suppress transients and noise
Transformers are not perfect. Transients and noise (radio-frequency and low-level spikes) normally pass through transformers, not only by way of the magnetic lines of flux between the primary and the secondary windings but through resistive and capacitive paths between the… Read more
Jul 21, 2021 | By Edvard Csanyi
Electric Motor
Six methods to control the flow of harmonic currents and decrease harmonic distortion limits
The first technique to control harmonic-related problems in the industry involved substantial use of single-tuned filters to offer a low-impedance path to harmonic currents. Interestingly, it is not difficult to find harmonic-producing loads in the megavolt-ampere range in the industry… Read more
Jul 19, 2021 | By Edvard Csanyi
