Systems of Track Electrification DC Electrification System: The substations are necessary for control of electric supply to a considerably long network in systems of track electrification DC electrification system. DC…
What is Electric Traction? - Introduction, Definition, Working, Advantages and Disadvantages Electric traction was first introduced in Britian in the year 1890 at 600 V dc using third rail for…
Factory Lighting in illumination - Fittings and Maintenance: Adequate factory lighting is of vital importance, as it provides improved amenities for the employees, increased production and has a definite economic…
Fluorescent Tube - Definition, Construction, Working, Merits and Demerits: Fluorescent lighting has a great advantage over other light sources in many applications. The tubes can be obtained in a variety…
Neon Tube - Working Principle, Installation and Faults: The popularity of high voltage neon lighting arose almost entirely from its use in advertising, for signs, or in the decorative treatment…
Sodium Vapour Lamp - Construction, Working and Wiring Diagram: Principally the sodium vapour discharge lamp consists of a bulb containing a small amount of metallic sodium, neon gas, and two…
Gaseous Discharge Lamp - Working Principle and Types: Incandescent lamp suffers from two disadvantages—low efficiency and coloured light. The gaseous discharge lamp have been developed to overcome these drawbacks. The…
Difference Between AC and DC Welding: The Difference between AC and DC welding is given in table below Particulars DC Welding AC Welding Equipment Motor-generator set or rectifier is required…