Problem \# 3: Energy Management for Building - Lighting: Replacing Incandescent Buibs with Fluorescent or Light-Emitting Diodes (LED) Bulbs (10 Marks) The main problem with incandescent lighting is that it uses a lot of electricity. The incandescent light bulbs consume an enormous quantity of power, which is then turned into heat energy (increase the cooling load or electricity consumed by Air Conditioning A/C system). Replacing incandescent bulbs with fluorescent or LED lights will help to save electricity for lighting and A/C system. Calculate the annual amount of electricity saved from the substitution of a single 100W incandescent bulb with a fluorescent bulb of 25W and a LED bulb of 5W for the following buildings in Germany and Sharjah. Assume that the buildings are occupied for an average of 12 hours/day (for both lighting and NC system) and that cooling are accomplished with similar A/C systems that have coefficients of performance of COP=2.8. (a) Building in Berlin, Germany, where A/C for cooling is required for 20% of the time of the year. (b) Building in Sharjah, Sharjah, UAE where A/C for cooling is required 80% of the time of the year. Equation: A/C Energy Saving ( kWh)= Lighting Energy Saving (kWh)/COP