final project research
DESCRIPTION
Final Project Research. Chua Cong Yang | Khoo Yihan | Park Seong Jin 4S2 Inertia Physics: PBL Wired Up!. Circuitry Design. Power Consumption Estimations. Power Consumption Estimations. Cost Calculations (daily). Sockets. - PowerPoint PPT PresentationTRANSCRIPT
Final Project Research
Chua Cong Yang | Khoo Yihan | Park Seong Jin4S2 Inertia
Physics: PBL Wired Up!
Circuitry Design
Appliance Wattage/W Time daily/h RoomShaver 15 5/60 BathroomWater Heater 2552 40/60 BathroomHair Dryer 1200 5/60 Bedroom MainRadio 10 120/60 Bedroom MainTelevision Set 110 20/60 Bedroom 2Air Conditioning 1900 600/60 3 BedroomsWashing Machine
350 100/60 Kitchen
Iron 1000 30/60 KitchenToaster 1550 5/60 KitchenRefrigerator 1725 24 Kitchen
Power Consumption Estimations
Appliance Wattage/W Time daily/h RoomVacuum Cleaner 630 15/60 Living RoomLaptop 240 120/60 Living RoomTelevision Set (Small)
70 60/60 Living Room
Massage Chair 50 30/60 Living RoomLights 940 19 All rooms
Power Consumption Estimations
Cost Calculations (daily)Energy Used (in kWh)
15 5 2552 40 1200 5 10 120 110 20= ( ) ( ) ( ) ( ) ( )1000 60 1000 60 1000 60 1000 60 1000 60
1900 600 350 100 1000 30 1550 5 1725( ) ( ) ( ) ( ) (24)1000 60 1000 60 1000 60 1000 60 1000
630 15 240 120 70( ) ( )1000 60 1000 60 100
60 50 30 940( ) ( ) (19)
0 60 1000 60 1000
253.342583 kWh=253.3 kWh
Room No. of Sockets
Max Current/A
No. of Sockets used daily
Current used daily/A
Living Room 8 120 4 60Main Bedroom
4 60 3 45
Bedroom 2 4 60 2 60Bedroom 3 4 60 1 15Kitchen 4 60 3 452 Bathrooms 2 30 1 15
TOTAL 240
Sockets Given each power socket draws a maximum of 15A current before circuit trips
Lighting daily
Room No. of lights Current used/ALiving Room 3 1.68Main Bedroom 1 0.56Bedroom 2 1 0.56Bedroom 3 1 0.56Kitchen 2 1.122 Bathrooms 2 1.12
TOTAL 5.6
Lighting in each room is aligned in parallel.Each bulb is 10W.
(in amps) (in watts/volts)
10 0.5599 0.56 (2 s.f.)940 (19)1000
WIE
I A A
Built in RCD (Residual Current Device) that will trip the whole main circuit in the event of a current overload.
Earth wires built in for each power socket. The mains are fitted with an Earth Line Circuit Breaker to prevent electric shocks should the live or neutral wires be in contact with conductors in the appliances.
Lighting placed in parallel to ensure that if one bulb blows, the rest still works.
Design Features
Check for energy-efficient appliances, with labels as:
◦ To minimize electricity consumption (low wattage appliances).
Recommendations
Set your clothes washer to the warm or cold water setting, not hot. ◦ Switching from hot to warm for two loads per week can
save nearly 500 pounds of CO2 per year if you have an electric water heater, or 150 pounds for a gas heater.
Turn down your water heater thermostat.◦ Thermostats are often set to 140 degrees F when 120
is usually fine. ◦ Each 10 degree reduction saves 600 pounds of CO2
per year for an electric water heater, or 440 pounds for a gas heater.
Recommendations
Weatherize your home using caulk and weather stripping.◦ Plug air leaks around doors and windows. ◦ Caulking* costs less than $1 per window, and
weather stripping is under $10 per door. ◦ These steps can save up to 1100 pounds of CO2
per year for a typical home.
◦ * Caulking is one of several different processes to seal joints or seams in various structures and certain types of piping to cut energy costs in keeping rooms warm/cold.
Recommendations
Usage of electricity by the household is consistent on a daily basis
No new appliances are added or removed from this circuit design
All the lighting used in the house is identical and of the same wattage.
Assumptions
How do we apply our new knowledge to solve the problem?◦ Seeking ways to get a design that minimizes cost.◦ No compromise on safety.
What evidence is required to support our solution?◦ Mathematical calculations to show cost-effectiveness.
Have we address all the concerns that surface in the problem?
◦ Troubleshoot any possible flaws in the design.
Team Evaluation
http://en.wikipedia.org/wiki/Caulking http://www.powerscorecard.org/reduce_ener
gy.cfm ◦ Last accessed on 14th April 2012◦ [Online] Resource.
Biblio!
Thank You.4S2 | Inertia