Transcript PowerPoint - ECpE Senior Design

Abstract
Functional Requirements
With increasing power consumption and costs in the home, many
homeowners would like to monitor their energy usage. The
Household Power Monitoring System (HPMS) will allow the
homeowner to monitor the individual and total power used by
household devices. With this information, the user can find ways to
reduce their power costs. The system will also allow the user to
identify devices that are becoming inefficient or those that are likely
to break down.
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Introduction
Technical Approach
• General Background:
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HPMS will record the power consumption
of household devices so the user can analyze their usage.
Technical Problem: The system will measure, encode, transmit,
receive, decode, analyze, and display real and reactive power,
voltage, and current as a function of time in a user-friendly
manner.
Operating Environment: HPMS will operate in any standard,
residential setting.
Intended Users and Uses: The system is intended for any
homeowner interested in tracking their total power consumption
and the consumption of individual devices.
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System’s communications will be reliable
Measurements of power will consider voltage irregularities
Data will be displayed in an easily understood format
The system must be safe for any home environment
The system will not interfere with other household devices
Utilize obsolete PC’s to compile and display the data collected.
Use current transformers and digital meters to measure power
usage.
Transmit and receive data using household wiring; possibly
X-10 protocol.
TOTAL POWER
MEASUREMENT
HOME WIRING
ENCODING (A / D)
TRANSMISSION
HARD WIRING
SERIAL
ANALYSIS
DISPLAY
Measurable Milestones
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SERIAL
HOME WIRING
SERIAL
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System complexity
Cost
Available technology
May 02-04 Team Information
Design completed
Prototype completed
Testing completed
Final product completed
Testing Approach
Design Constraints
Advisors:
Dr. John Lamont
Dr. Ralph Patterson III
RECEIVE
DECODE
The prototype will be a stand-alone system capable of
recording total power usage of the home at the breaker box.
Individual satellite modules will record the on / off cycles of
home devices and communicate the data back to the PC. Total
power usage and on / off cycles will be compiled by an
obsolete PC that will analyze it and give the user a device by
device breakdown of the power used.
Assumptions & Limitations
Team Members:
Jason Muehlmeier
Yohan Blount
Steven Woerdehoff
Paul Jonak
HARD WIRE
End Product Description
The HPMS system will measure the total power
consumption. It will have the ability to break it
down on a device basis and report it in a useful
manner to the homeowner.
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APPLIANCE MODULE
FOR ON / OFF TIME
HARD
WIRE
Design Objectives
Assumptions:
• The user will be able to operate a simple
computer interface.
• The user will have a basic understanding of
electricity and the concept of power.
• The user will be knowledgeable of the local
utility rate and billing schedule.
Limitations:
• The system can only operate with a modern,
grounded electrical system.
• The system can only operate with a 60Hz,
120/240V outlet format.
Monitoring device can be attached to any 120/240V device
Data collection components testing
Data transmission testing
Integration of components testing
Data display testing
Final system testing
Budget
Client:
Herbert Harmison
[email protected]
Personal Effort Budget
Financial Budget
Steve
Jason
Budgeted Time
Time Spent
Paul
Yohan
0
50
100
Equipment &
Parts
Personal
Computer
Poster
150
Hours
Total Estimated Effort is 550 Hours
Total Estimated Budget is $200