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Monthly Archive for: «February, 2012»

Why do we find electric motor drive very important?

Electric motors impact almost every aspect of modern living. Refrigerators, vacuum cleaners, air conditioners, fans, computer hard drives, automatic car windows, and multitudes of other appliances and devices all use… Read more

Feb 29, 2012 | Edvard

Under the Hood of Light Detector

Detectors of electromagnetic radiation in the spectral range from ultraviolet to far infrared are called light detectors. From the standpoint of a sensor designer, absorption of photons by a sensing… Read more

Feb 24, 2012 | Edvard

Light Detectors - Introduction And Purpose

220V DC system at thermal power station

The 220V DC system supplies direct current as source of operating power for control, signaling, relays, tripping and closing of switchgears, emergency motors of most important auxiliary systems. Under normal… Read more

Feb 15, 2012 | Bipul Raman

220V DC system at thermal power station


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