Search

Premium Membership

Get the essence of electrical engineering in the form of specialized HV/MV/LV technical articles, electrical guides, and papers.

Technical Articles

The Purpose of High Voltage Circuit Switchers

Circuit switchers have been developed to overcome some of the limitations of fusing for substation power transformers. Circuit switchers have SF6 gas interrupters and are designed to provide three-phase interruption… Read more

Nov 16, 2012 | High Voltage

Vertical interrupter circuit switcher without integral disconnect switch

Electrical Safety Standards for LV/MV/HV (Part-3)

Continued from part 2 – Electrical Safety Standards for LV/MV/HV (Part-2) Standard: Northern Ireland Electricity (NIE), 6/025 ENA Code: Indian Electricity Rules / Central Electricity Authority Right of Way Clearance… Read more

Nov 14, 2012 | High Voltage

Electrical Safety Standards for LV/MV/HV part 3

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 | High Voltage

Electrical Safety Standards for LV/MV/HV part 2

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 | Lighting

How to Dim LED Lighting in the Home

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 | High Voltage

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

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 | Electric Motor

Gearless synchronous generator for wind power plants developed by SIEMENS

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 | Electric Motor

Motors for Hazardous Areas

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 | Protection

Transformer Differential Protection Principles


Subscribe to Weekly Digest

Subscribe to free HV/MV/LV technical articles, electrical guides and papers.