Lighting consumes 4% of the energy consumed by a building. Control strategies that turn lights on when the space is occupied are one energy savings strategy. In this problem, we'll calculate the energy impact of a lighting schedule. For the purposes of this problem, a neopixel is a single LED. A neopixel strip is a group of LEDs. A) Measure the current draw of your neopixel strip of 5 LEDs when all 5 lights are powered on, set to full brightness, with each RGB color set to 255. Report your answer in units of amps. B) Calculate the power consumption of your 5 neopixel strip when connected to a 5V source using the current measured in part A. Report your answer in units Watts. C) Imagine neopixels are used to light the entire engineering building, which requires 50,000 neopixels. Calculate the energy consumption due to lighting of the entire engineering building for one 7-day week assuming: i. Option 1: Lighting is on continuously for 7 days ii. Option 2: Lighting follows a schedule: 1. Neopixels are on from 6 AM to 10 PM on weekdays 2. Neopixels are off from 10 PM to 6 AM on weekdays 3. Neopixels are off during weekends iii. What is the percent energy savings between Option 1 and Option 2? Report your answer in units of kWh. One kWh is a 1000 W of power consumption occurring for a duration of one hour.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Lighting consumes 4% of the energy consumed by a building. Control strategies that turn lights on when the space is occupied are one energy savings strategy. In this problem, we'll calculate the energy impact of a lighting schedule. For the purposes of this problem, a neopixel is a single LED. A neopixel strip is a group of LEDs. A) Measure the current draw of your neopixel strip of 5 LEDs when all 5 lights are powered on, set to full brightness, with each RGB color set to 255. Report your answer in units of amps. B) Calculate the power consumption of your 5 neopixel strip when connected to a 5V source using the current measured in part A. Report your answer in units Watts. C) Imagine neopixels are used to light the entire engineering building, which requires 50,000 neopixels. Calculate the energy consumption due to lighting of the entire engineering building for one 7-day week assuming: i. Option 1: Lighting is on continuously for 7 days ii. Option 2: Lighting follows a schedule: 1. Neopixels are on from 6 AM to 10 PM on weekdays 2. Neopixels are off from 10 PM to 6 AM on weekdays 3. Neopixels are off during weekends iii. What is the percent energy savings between Option 1 and Option 2? Report your answer in units of kWh. One kWh is a 1000 W of power consumption occurring for a duration of one hour.

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