Deepakkumar Yadav
ydeepak297@gmail.com Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
DOL Stater A DOL starter (or Direct On Line starter or across the line starter) is a method of starting of a three phase induction motor. In DOL Starter an induction motor is connected directly across its three phase supply, and the DOL starter applies the full line voltage to the motor terminals. Despite this … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
Dimmers Different lamps/luminaires produce light with constant brightness once they are switched on. For the following spots, the variation of brightness of the lamps is required. For (i) Photo studios (ii) Stage (iii) Drama theatres (iv) Decorations (v) Various functions. The device for controlling the brightness is a “Dimmer”. Dimmer is an electrical and or … Read more
DOL Starter Control and Power Wiring Diagram The Direct On Line Motor Starter (DOL) consist a MCCB or Circuit Breaker, Contactor and an overload relay for protection. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions. Typically, the contactor will be controlled by separate start and stop buttons, and an … Read more
Method of Obtaining Constant Electrical Output power in Train The most important requirement of train lighting is to obtain constant output irrespective of locomotive speed. To achieve this there are three methods of obtaining constant output. They are as follows : Belt Driven Generator Three Brush Generator Rosenberg Generator 1. Belt Driven Generator2. Three Brush … Read more
Method of Obtaining Constant Electrical Output power in Train The most important requirement of train lighting is to obtain constant output irrespective of locomotive speed. To achieve this there are three methods of obtaining constant output. They are as follows : Belt Driven Generator Three Brush Generator Rosenberg Generator 1. Belt Driven Generator : In … Read more
Method of Obtaining Constant Electrical Output power in Train The most important requirement of train lighting is to obtain constant output irrespective of locomotive speed. To achieve this there are three methods of obtaining constant output. They are as follows : Belt Driven Generator Three Brush Generator Rosenberg Generator 1. Belt Driven Generator2. Three Brush … Read more
Commercial Lighting (1) Offices, (2) Schools, (3) Hotels, (4) shopping centers, (5) cinema halls fall in the category of commercial group. (A) Office Lighting lumens level (B) Requirements of Lighting in Office for Different Activities (C) General Rules for Office Interior Lighting (D) Office Buildings Lighting (E) Lighting Provisions and Luminaires used In office lighting … Read more