[vc_row][vc_column width="2/3"][vc_column_text] What Does Communication (or Telecommunication) Mean? The term communication (or telecommunication) means the transfer of some form of information from one place (known as the source of information)…
[vc_row][vc_column width="2/3"][vc_column_text] The objective of power system protection is to isolate a faulty section of electrical power system from rest of the live system so that the rest portion can function satisfactorily without…
[vc_row][vc_column width="2/3"][vc_column_text] What are Power and Energy? Power and Energy/Electricity are two words that are used so much for each other that many feel that they mean the same. Interestingly…
[vc_row][vc_column width="2/3"][vc_column_text] Hopkinson’s Test is also known as Regenerative Test, Back to Back test and Heat Run Test. This as an elegant method of testing DC machines. Here it will…
[vc_row][vc_column width="2/3"][vc_column_text]Harmonics are a distortion of the normal electrical current waveform, generally transmitted by nonlinear loads. Switch-mode power supplies (SMPS), variable speed motors and drives, photocopiers, personal computers, laser printers,…
What is UJT? A Unijunction transistor is a three terminal semiconductor device having only one p-n junction like diode but has three terminals. This device has a unique characteristics that…
Direct current–direct current (dc–dc) power converters are employed in a variety of applications, including power supplies for personal computers, office equipment, spacecraft power systems, laptop computers, and telecommunications equipment, as…
For a d.c shunt motor, change of speed from no load to full load is quite small. Therefore, mechanical loss can be assumed to remain same from no load to…
What is digital communication? Digital communication is a mode of communication where the information or the thought is encoded digitally as discreet signals and electronically transferred to the recipients. Digital…
Household batteries “Household batteries” are the small portable batteries used daily by most people in devices such as radios, toys, flashlights and lanterns, games, watches, calculators, cameras, telephones and other…