Electrical Articles

Difference between static relays and electromagnetic relays

Points Static Relays Electromagnetic Relays Power consumption Very less 1 milliwatt High 2 watt Moving contacts No moving contacts. So, No problem of Arcing No needs to replace contacts. Moving…

Ravi Barwad August 14, 2014

Electrical Articles

Problems of circuit interruption

Following are the problems that occur when circuit breaker is clearing fault or CB starts operating 1.Rate of Rise of Restriking voltage (R.R.R.V.) Unit of R.R.R.V. is KV/Hsec Every line…

Ravi Barwad August 14, 2014

Electrical Articles

Block diagram of remote control system

Functions of each block of remote control system Remote control centre equipment consists Control panel with mimic diagram and control desk. Remote control switching equipments. FMVFT (Frequency modulated voice frequency…

Ravi Barwad August 12, 2014

Electrical Articles

What is Capacitance?

Capacitance of capacitor A capacitor is a passive electronic component that stores energy in the form of an electrostatic field. In its simplest form, a capacitor consists of two conducting…

Ravi Barwad August 10, 2014

Electrical Articles

What is difference between MCB and MCCB

What is the difference between MCB & MCCB, Where it can be used? MCB stand for Miniature Circuit Breaker MCCB stand for Moulded Case Circuit Breaker MCB is miniature circuit…

Ravi Barwad August 10, 2014

Electrical Articles

How to Electrical winding step by step

Electrical winding Step One Choose stator side with 3 points. Use 2mm wire and fold it double. Leaving 10cm as lead wire, start winding clockwise. Electrical winding Step Two Wind…

Ravi Barwad August 8, 2014

Electrical Articles

Difference between power transformers and distribution transformers

Those transformers installed at the sending or receiving end of long high-voltage transmission lines are the power transformers. The distribution transformer (generally pole mounted) are those installed in the localities…

Ravi Barwad August 8, 2014

Electrical Articles

Power Formulas for AC and DC Circuit

Following are the Power Formulas in AC & DC Circuit Sr. Description Formula 1 Power in DC Circuits P = V X I P = I2 X R P =…

Ravi Barwad August 6, 2014

Electrical Articles

Filters

Need of filter circuit Filters are the electronic circuits used along with rectifiers to get a pure dc voltage. From all the rectifiers circuits get pulsating dc o/p. Where pulsating…

Ravi Barwad August 6, 2014

Electrical Articles

Difference between Resultant and Equilibrants

Following are four main difference in Resultant and Equilibrants force No. Resultant Equilibrant 1. Definition: A resultant of number of forces acting on a body is a single. Force which…

Ravi Barwad August 4, 2014