Edvard Csanyi
1671 awesome technical articles
Electrical engineer, programmer and founder of EEP. Highly specialized for design of LV/MV switchgears and LV high power busbar trunking (<6300A) in power substations, commercial buildings and industry facilities. Professional in AutoCAD programming.
Ten different duty types (load cycle) of a three-phase asynchronous motor
The term duty defines the load cycle to which the machine is subjected, including, if applicable, starting, electric braking, no-load, and rest de-energized periods, and including their durations and sequence… Read more
Dec 11, 2017 | By Edvard Csanyi
Seven Bad Effects Of Corona On Transmission Lines
All the diverse ionization processes involved in producing corona discharges in the highly stressed regions near the conductors of transmission lines, as well as the creation and movement of charged… Read more
Dec 08, 2017 | By Edvard Csanyi
Voltage Regulation By Transformer Off-Load Tap Changer, On-Load Tap Changer and AVR
Almost all transformers incorporate some means of adjusting their voltage ratio, by adding or removing tapping turns. This adjustment may be made by an on-load tap-changer, or by means of… Read more
Dec 06, 2017 | By Edvard Csanyi
Protections For Medium Voltage Synchronous Machines (Generators) – IEEE C37-2 Codes
The protection system for MV generators (synchronous machines) must be carefully selected and studied for the application it is destined for and it is not normally possible to define a… Read more
Dec 04, 2017 | By Edvard Csanyi
How Bad Harmonics Influence The Work Of Rotating Machines (Induction Motors)
The presence of harmonics in the work of induction motors can be pretty bad. Why? They produce elastic deformation, that is, shaft deflection, parasitic torques, vibration noise, additional heating, and…...
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Dec 01, 2017 | By Edvard Csanyi
Voltage Regulators Used To Control The Voltage At The End Of a Distribution Feeder
There are three main methods used to control the voltage at the end of a distribution feeder – By using control equipment to vary the voltage at the supply end… Read more
Dec 01, 2017 | By Edvard Csanyi
Current Systems (AC/DC) And Voltage Levels Basics You Must Never Forget
There are many electrical engineering basics you really must know at any time, even in the middle of the night! The basics we will discuss here are current systems and… Read more
Nov 29, 2017 | By Edvard Csanyi
How To Choose System’s Earthing Point And What Is The Practice Throughout The World
Normally in directly earthed and effectively earthed systems, every available neutral point is earthed. Deviations from this occur when the transformer’s neutral points are left unearthed. This is done to… Read more
Nov 27, 2017 | By Edvard Csanyi
Secondary injection tests for checking the correct operation of the protection scheme
Secondary injection tests are always done prior to primary injection tests. The purpose of secondary injection testing is to prove the correct operation of the protection scheme that is downstream… Read more
Nov 22, 2017 | By Edvard Csanyi
Differential Protection Of Feeders For Transformers And Tee-Offs (Tapped Lines)
On transformer feeders, the transformer and line or cable are connected in series and form a unit. In this manner, one CB can be saved. On feeders with tee-offs, transformers… Read more
Nov 20, 2017 | By Edvard Csanyi
How To Control Reactive Power In Larger Electrical Plants With Multiple Incomers
Most compensation banks are controlled stepwise. For this purpose it is essential to ‘know’ when it is allowed to (de)activate a capacitor step by the power factor relay (controller). The… Read more
Nov 15, 2017 | By Edvard Csanyi
Overhead vs. Underground Residential Distribution Circuits. Which One Is ‘Better’?
This debate continues. Both designs have advantages (see Table 1). The major advantage of overhead circuits is cost. An underground circuit typically costs anywhere from 1 to 2.5 times the… Read more
Nov 13, 2017 | By Edvard Csanyi
We can load distribution transformer heavily when it is cold, but when it’s hot…
Distribution transformers (commonly mineral-oil-immersed type) are output rated and their loading and sizing guidelines of many utilities are based on ANSI/IEEE C57.91. Distribution transformers can deliver their rated kVA without…...
Premium Membership Required
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.
Limited time offer! - Save 15% on Pro Membership Plan with discount code LRN15
Log In »Purchase »
Nov 09, 2017 | By Edvard Csanyi
Practical Basics Of Synchronous Motors That Every Electrical Engineer Should Know
Like the asynchronous motor, the synchronous motor consists of a stator and a rotor separated by the air gap. It differs from the asynchronous motor in that the flux in… Read more
Nov 08, 2017 | By Edvard Csanyi
Troubleshooting Transformer In Power Substation And Detailed Failure Investigation
Failure of transformer in power substation is not a sudden phenomenon, for that matter each and every failure will take place only after alerting through some pre-signs. If they went… Read more
Nov 06, 2017 | By Edvard Csanyi