Safety
People response to short-term exposure to electric fields of AC transmission lines
Short-term exposures to electric fields produced by AC transmission lines and stations can be pretty serious and may be classified according to the type of effect causing a sensation in… Read more
Jan 30, 2019 | By Edvard Csanyi
Protection
Protection of a transformer directly connected to a transmission line without switchgear
A transformer-feeder include a transformer directly connected to a transmission line circuit without the intermediation of a HV switchgear. The saving in HV switchgear so achieved is unfortunately lowered by… Read more
Jan 28, 2019 | By Edvard Csanyi
Electrical Lectures ♛
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How to determine power transformer impedance for calculation of short-circuit currents
In order to calculate short-circuit currents, it is obligatory to know conductor-specific equivalent data and impedances of electrical operational equipment, which are usually given by the respective manufacturer. The calculation…...
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Jan 25, 2019 | By Edvard Csanyi
Power Quality
Six MV/HV applications of series capacitors for improving the power quality
Series capacitors are connected in series in the circuit and therefore carry the full transmission line current. The series capacitor is actually a negative reactance in series with a transmission… Read more
Jan 23, 2019 | By Edvard Csanyi
Electrical Lectures
6 not-that-easy-to-understand terms related to a power transformer you should understand
There are many terms related to the power transformer operation that can be easily visualized which are especially important for students, like for example transformer construction or regular working principle…. Read more
Jan 21, 2019 | By Edvard Csanyi
Electrical Lectures
The basic understanding of an earthing protection system (diagram and definitions)
As you already know, protective conductors are the main part of every earthing protection system, but the complexity of the system will increase with the requirements of information technology, voltage… Read more
Jan 16, 2019 | By Edvard Csanyi
Energy Generation
Sizing a MV generator circuit breaker (GCB) in terms of breaking capacity
The main function of a circuit breaker is to carry the rated current of the generator and break both the short-circuit current supplied by the generator and that supplied by… Read more
Jan 14, 2019 | By Edvard Csanyi
Energy and Power ♛
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How to determine compensation of reactive power of an electrical installation
Improving the power factor of an electrical installation (compensation of reactive power) has many economic and technical advantages, but it’s not always easy to do so. There are numerous approaches…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, 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.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Jan 11, 2019 | By Edvard Csanyi
Electrical Lectures
The basic things about substations you MUST know in the middle of the night!
To explain in very simple words, I would say that substation is a bunch of electrical devices gathered and connected in one place. On top are clever electrical devices who… Read more
Jan 09, 2019 | By Edvard Csanyi
Power Substation
Protection scheme for the substation with a single supply from the utility
The utility supply voltage depends on both availability and consumer requirements. The consumer transformer is connected delta on the high-voltage side and grounded wye on the low-voltage side. A fused-disconnect… Read more
Jan 07, 2019 | By Edvard Csanyi
Power Substation
Analysis of faults in machine and transformer windings
The analysis of faults in the synchronous machine and transformer windings presents a special difficulty because the effective impedances of the affected windings under internal fault conditions are not normally… Read more
Jan 02, 2019 | By Edvard Csanyi
