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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

Electrical Safety Standards for LV/MV/HV part 2
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

Steps to Ensure Effective Substation Grounding
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

Steps to ensure effective substation grounding
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

How to Dim LED Lighting in the Home
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

Electrical Safety Standards for LV/MV/HV (Part-1)
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

Gearless synchronous generator for wind power plants developed by SIEMENS
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

Motors for Hazardous Areas
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

Transformer Differential Protection Principles
Energy and Power

Application of 4-pole Switchgear Devices

The majority of low-voltage switchgear is equipped with three contacts in the main circuit, which switch three-phase loads in all poles. In some applications switchgear with four main poles is… Read more

Oct 31, 2012 | By Edvard

Application of 4-pole Switchgear Devices
Transformers

Transformers Are Never Silent

Yes, we all know that transformers are never silent. This is actually quite impossible, but in an environmentally aware, highly regulated world, the issue is not the level of noise,… Read more

Oct 29, 2012 | By Edvard

A three-phase oil transformer 225 MVA, 275 kV
Cables

Short Overview of LV Cable Terminations

A termination is the electrical and physical connection of a cable end to a piece of equipment or another cable. A splice is the electrical connection of a cable end to… Read more

Oct 27, 2012 | By Edvard

LV Cable terminations - Short Overview


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