Welcome to electrical and electronics engineering Q&A site...

Welcome to electrical and electronics engineering discussion website, Please login or register to continue.

Join our WhatsApp group

Subscribe To Our YouTube Channel

in Energy Conservation And Audit by

Describe the following energy conservation methods of lighting system. i) By replacing lamp sources ii) Using light control gears.

Amazon Shopping

Please log in or register to answer this question.

1 Answer

0 votes

Energy conservation methods of lighting system: 

i) By replacing lamp sources: 

Installation of energy efficient fluorescent lamps in place of “Conventional” fluorescent lamps. Installation of metal halide lamps in place of mercury / sodium vapour lamps. Installation of High Pressure Sodium Vapour (HPSV) lamps for applications where colour rendering is not critical. Installation of LED panel indicator lamps in place of filament lamps etc. 

ii) Using light control gears 

The simplest and the most widely used form of controlling a lighting installation is "On-Off" switch. Grouping of lighting system, to provide greater flexibility in lighting control (manual or automatic) Installation of microprocessor/ infrared controlled dimming or switching circuits. Advanced lighting control system uses movement detectors or lighting sensors, to feed signals to the controllers. Optimum usage of day lighting in combination with electric lighting. Installation of exclusive transformer for lighting. It will reduce the voltage related problems, which in turn increases the efficiency of the lighting system. Installation of high frequency (HF) electronic ballasts in place of conventional ballasts which saves energy up to 35%.

Amazon Shopping

Welcome to Q&A site for electrical and electronics engineering discussion for diploma, B.E./B.Tech, M.E./M.Tech, & PhD study.
If you have a new question please ask in English.
If you want to help this community answer these questions.


Most popular tags

power motor dc circuit transformer voltage current used system phase factor resistance load synchronous energy ac induction generator electric series frequency capacitor use speed between electrical meter line type mosfet control transmission difference magnetic plant high single instrument bjt source advantages function diode machine unit winding torque amplifier define supply thyristor motors arduino field shunt maximum relay armature problem electricity time parallel on transformers types coil diagram state flow value material three starting and direction theorem method emf operating digital microprocessor test instruments efficiency ratio loss measure operation connected low applications wave effect single-phase working losses different network wattmeter temperature measuring constant signal controlled breaker device full compare drive wire resistivity logic materials machines inductance switch flux disadvantages converter transistor gain protection scr angle force core measurement number free principle rc generators law negative bridge friction open pole conductor conservation steam iron loop resistors hysteresis short computer using lines secondary station battery rectifier inverter linear relays nuclear regulation circuits design analog work rotor electronics gate forces diesel damping rlc connection factors capacitors minimum insulation basic moving running reactance systems air fault range direct main stability quality starter igbt eddy ideal ammeter rl 3-phase plants arc induced thermal error fuzzy biasing dielectric pressure balanced superposition errors rotation characteristics feedback measured electronic start alternator off back curve over solar three-phase tariff locomotive peak bias zener capacitance commutator surge rating universal potentiometer permanent mechanical copper self transducer capacity electrons memory adc excitation inductive transfer explain fuse pure harmonics application inductor internal pmmc average reaction welding resonance traction breakers designed electromagnetic si generation brushes density switching shaded rate impedance distribution methods star oscillator reluctance semiconductor simplification algebra 8085 boolean weston dynamometer insulating strength installation permeability definition fuel heating earth units neutral rms rated engineering conductors coefficient controller usually reverse excited analysis change body components