Energy and Power
Nikola Tesla – Everything is the Light
Once, in 1899, Nikola Tesla had an interview with certain journalist John Smith, when Tesla said “Everything is the Light“. In one of its rays is the fate of nations, each… Read more
Sep 12, 2012 | By Edvard Csanyi
Electric Motor
LT / Medium / HT VFD Used In the Industry (part 2)
Consider the application of a drive to a cane milling unit where the speed is to be variable from full to half rated speed. The drive is to be capable… Read more
Sep 11, 2012 | By sprabakar22
Electric Motor
LT / Medium / HT VFD Used In the Industry (1)
In modern plants, there are number of drives like Milling Plant Drive, Hydraulic Drive, DC Motor Drive and AC Motor Drive of adequate capacities are available. There is lot of… Read more
Sep 10, 2012 | By sprabakar22
Electronics
Under the Hood of LEDs (Light Emitting Diodes)
LED lamps, or Light Emitting Diodes, are becoming more and more common. Having been used for some time in products such as digital watches, remote controls and brake lights, they… Read more
Sep 08, 2012 | By Paul Blythe
Hydropower
Things You Should Know Before Planning of Hydroelectric Facilities
Hydroelectric plants are located in geographic areas where they will make economic use of hydraulic energy sources. Hydraulic energy is available wherever there is a flow of liquid and head…. Read more
Sep 07, 2012 | By Edvard Csanyi
Energy and Power
Transformer Heat, Copper and Iron Losses
The thermal ratings of a transformer are determined by the following three factors: The amount of heat produced in the windings and connections. The amount of heat produced in the… Read more
Sep 06, 2012 | By Edvard Csanyi
Protection
Transformer differential protection (ANSI 87T)
Transformer differential protection protects against short-circuits between turns of a winding and between windings that correspond to phase-to-phase or three-phase type short-circuits. If there is no earthing connection at the… Read more
Sep 05, 2012 | By Edvard Csanyi
HVAC
How to Maximize Chiller Efficiency?
Chillers are the single largest energy-using component in most facilities, and can typically consume over 50% of the electrical usage. Chillers use approximately 20% of the total electrical power generated… Read more
Sep 04, 2012 | By Edvard Csanyi
Energy and Power
Getting Electricity From Solid Oxide Fuel Cell
Abstract Introduction Fuel Cell Working Principle of SOFC Materials Selection and Processing Cathode Electrolyte Anode Interconnection Types of SOFC Merits and Demerits Applications Stationary energy sources Transportation Military applications SOFC-GT… Read more
Sep 03, 2012 | By vinod ramireddy
Power Substation
Transformers Connected Directly to Generators
Power transformers connected directly to generators can experience excitation and short-circuit conditions beyond the requirements defined by ANSI/IEEE standards. Special design considerations may be necessary to ensure that a power transformer… Read more
Sep 01, 2012 | By Edvard Csanyi
