Wind Power
Geographical Variation in the Wind Resource
Ultimately the winds are driven almost entirely by the sun’s energy, causing differential surface heating. The heating is most intense on land masses closer to the equator, and obviously the greatest heating occurs in the daytime, which means that the region of greatest… Read more
Jan 04, 2013 | By Edvard Csanyi
Energy Efficiency
Brightness, Lamp Life and Efficiency of LED Fixtures
A typical LED fixture comprises four major component parts: an LED emitter, the fixture’s heat sink, driver and dimming control, and augmenting optics. The emitter includes the die, a thermal heat sink, lens, and outer package (Figure 1). The die… Read more
Jan 03, 2013 | By Edvard Csanyi
Energy and Power
Lighting Circuits Connections for Interior Electrical Installations (3)
Continued from 2nd part: Lighting Circuits Connections for Interior Electrical Installations (2) The main reason for installing an emergency lighting system is to enable the building to meet fire safety legislation in a way that is visually acceptable and meets… Read more
Jan 02, 2013 | By Emmanouil Angeladas
Electronics
The Future of MOS-Controlled Thyristor (MCT)
The MCT is type of power semiconductor device that combines the capabilities of thyristor voltage and current with MOS gated turn-on and turn-off. It is a high power, high frequency, low conduction drop and a rugged device, which is more… Read more
Jan 01, 2013 | By Edvard Csanyi
