What is PLC? Outline its working Principal.

upendra.sachan1

 Profile Answers by upendra.sachan1 Questions by upendra.sachan1

• Sep 1st, 2008

Generly PLC is stand for programming logic control. Its principle based on switching theory of GATE and conditional circuit. It is widely used in every type of industry for the controlling of everything and this procees is called automation.

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What is Power Factor? How it is calculated?

venkey_048

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• Oct 29th, 2009

Power factor is the ratio between Real power to the Apparent power. It indicates, how much power was actually utilised by the present system. For example, if any system had a power factor of 0.8 mea...

Ravindra2008

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• Oct 20th, 2008

In A.C. ckt their is some difference in vtg & current that angle is called as phase angle,the cosine of that angle is called as power factor. It is the ratio of resistance to impedance. 

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What is the diffrence between Altrnator & Generator? Outline its working principal.

satyaprakash sahu

• Apr 12th, 2015

As the main difference between alternator and generator is that field winding(poles) in a generator are present in stator i.e is fixed and armature winding is rotating whereas in a alternator the pole...

nimmala rakesh

• Mar 28th, 2012

Alternators and generators are the two devices which generates electricity.. the function of these are same but the construction of it is different. in alternators the armature is stationary and the m...

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