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To “Kill-a-watt”

To “Kill-a-watt”. By : M. How much energy do we consume?. Project Summary. In order to save energy, we must know how much energy we are using? My project used two approaches: Actual measurements using a power meter Using the PSE&G electricity usage calculator

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To “Kill-a-watt”

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  1. To “Kill-a-watt” By: M How much energy do we consume?

  2. Project Summary • In order to save energy, we must know how much energy we are using? • My project used two approaches: • Actual measurements using a power meter • Using the PSE&G electricity usage calculator • In the end, I will share some tips to save energy that I learned during my research.

  3. What is a Watt? • A watt is a unit of power, named after engineer James Watt, which measures the rate of energy transfer. • A watt, in electrical terms, is the rate which work is done when one ampere (A) of current flows through one volt (V). • Formula: W= A*v

  4. A Power Meter Buster • The Power Meter Buster is a device that measures the amount of watts that any plug-in electrical device uses. • On the screen, it displays the amount of time it has been measuring, the total wattage,and the cost.

  5. Methodology • In order to get the information, I would plug in the meter, then plug any device into it. • It would then calculate the energy consumption for me. • After that, I record my findings on a separate sheet and determine the amount of energy it uses in an hour. • I have made a chart to show my findings.

  6. Actual Measurement Used By Power Meter

  7. PSE&G Electrical Calculator Sample key appliances

  8. Appliance requiring different methods • Microwave: Since my microwave is built in to the wall, I searched the brand and used that information to fill the chart. • Air Conditioner: My central air conditioner doesn’t use a three-prong plug. Instead, I went to a friend’s house and ask his parents’ if I can measure their conditioner’s wattage.

  9. Tips to Save Electrical Energy • When a charged computer is off, unplug the device, so that an electrical leak will not occur. • Refrain from keeping a fan, lights, or TV on in a room you are not in. • Once a phone or tablet is done charging, unplug immediately. • Use CFL or LED bulbs when old light bulbs burn out.

  10. Thanks For Watching

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