Five telecommunication systems embedded in smart grid applications and services
Power utilities use telecommunication systems either as a support for grid assets’ operation or as the enabler for voice communications among operating staff. The main objective of utility telecommunications is…...
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Feb 09, 2018 | By Edvard Csanyi
The Essentials Of Numerical Relays, Their Features And Important Considerations
The distinction between digital and numerical relays is particular to Protection. Numerical relays are natural developments of digital relays due to advances in technology. They use one or more digital… Read more
Feb 07, 2018 | By Edvard Csanyi
What is what in outdoor HV substation? How to identify elements by shape and function?
It’s not always an easy task to explain what is what in high voltage substations. Shapes of the major elements are mostly similar through substations, but there are also combinations… Read more
Jan 10, 2018 | By Edvard Csanyi
HV Transmission Line Components (Towers, Conductors, Substations, ROWs and Roads)
The towers and conductors of a transmission line are familiar elements in our landscape. However, on closer inspection, each transmission line has common components with unique characteristics, beginnings and ends…. Read more
Jan 08, 2018 | By Edvard Csanyi
10 Common Questions You Can Expect In Electrical Engineering Examination Test
This examination will focus on testing the fundamentals of electrical engineering from low voltage to high voltage. Of course, you can use huge EEP’s resources for help in calculations and… Read more
Dec 26, 2017 | By Edvard Csanyi
This Is Why HVDC Transmission System Beats HVAC In These Essential Applications
For the most part, electric power is transmitted worldwide by means of ac. However, there are certain applications where dc transmission offers distinct economic and/or performance advantages. These applications include… Read more
Dec 21, 2017 | By Edvard Csanyi
Important Factors In Design Of Distribution Substations
Distribution substation design must be a combination of reliability and quality of the power supply, safety, economics, maintainability, simplicity of operation, and functionality. Safety of life and preservation of property… Read more
Dec 20, 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
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
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
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