Protection
Principles and Characteristics of Distance Protection
Distance relays are one of the most important protection elements in a transmission line. These  relays may sometimes be set based in percentages of the line impedances, for example a… Read more
Nov 13, 2012 | By Edvard Csanyi
High Voltage
Electrical Safety Standards for LV/MV/HV (Part-2)
Continued from part 1 – Electrical Safety Standards for LV/MV/HV (Part-1) Standard: Northern Ireland Electricity (NIE), 6/025 ENA Clearances of Electrical Line to Ground and Roads Clearances of Electrical Line… Read more
Nov 12, 2012 | By jiguparmar
Power Substation
Steps to Ensure Effective Substation Grounding (Part 2)
Continued from previous article: Steps to Ensure Effective Substation Grounding (1) In previous technical article (part 1) was explained first five steps that will ensure a reliable, safe and trouble-free substation… Read more
Nov 10, 2012 | By Edvard Csanyi
Power Substation
Steps to ensure effective substation grounding (Part 1)
An electrical substation is a critical resource in a power system. Safe operation of a substation calls for a properly designed and installed grounding system. A well-designed grounding system will ensure reliable… Read more
Nov 09, 2012 | By Edvard Csanyi
Lighting
How to Dim LED Lighting in the Home?
LED lighting in the home is becoming more popular due to the energy and money saving benefits it offers over traditional halogen lighting. One of the most common problems that… Read more
Nov 08, 2012 | By Joe Watts
High Voltage
Electrical Safety Standards for LV/MV/HV (Part-1)
Standard: Western Power Company Water Safely Clearance on Electrical Fires Minimum Approach Distance for Authorized Person Minimum Approach Distance for Ordinary Person Minimum Approach Distance for Vehicle and Plant for… Read more
Nov 07, 2012 | By jiguparmar
Electric Motor
Few Words About Synchronous Machines
There are two main types of synchronous machine: cylindrical rotor and salient pole. In general, the former is confined to 2 and 4 pole turbine generators, while salient pole types… Read more
Nov 06, 2012 | By Edvard Csanyi
Energy and Power
Aluminium and its Alloys used in Electrical Engineering
Aluminium has been used for many years as a conductor material in almost all branches of electrical engineering. In addition to the pure aluminium, several its alloys are also excellent… Read more
Nov 05, 2012 | By Edvard Csanyi
Energy and Power
Application of Circuit Breakers in IT Networks
IT supplies are used to prevent that a ground fault leads to immediate disconnection of the affected circuit like in a grounded system. Although a first ground fault results in… Read more
Nov 03, 2012 | By Edvard Csanyi
Electric Motor
Motors for Hazardous Areas
Electrical drives/motors that are operated in hazardous areas must be built and engineered so that they cannot become an ignition source. This applies not only to normal operating and starting, but also… Read more
Nov 02, 2012 | By Edvard Csanyi
Protection
Transformer Differential Protection Principles
Similar to bus protections, transformers are protected by differential relays. Inter-winding faults (short circuits) and ground faults within power transformers can be detected by this protection scheme. Failure to detect… Read more
Nov 01, 2012 | By Edvard Csanyi
