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Home Energy Management & Smart Grid Technology

Home Energy Management & Smart Grid Technology. Spring 2012 Devon Taylor. Smart Grid Technology in the Home. Smart metering Fault detection Increased energy quality and efficiency High load appliances such as water heaters can be turned off by the power company during peak load

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Home Energy Management & Smart Grid Technology

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  1. Home Energy Management & Smart Grid Technology Spring 2012 Devon Taylor

  2. Smart Grid Technology in the Home • Smart metering • Fault detection • Increased energy quality and efficiency • High load appliances such as water heaters can be turned off by the power company during peak load • Data is transmitted over power lines using BPL(Broadband over Power Line)

  3. Objectives • Implement a small scale home electrical system • Use current transformers to sense current • Use mechanical relays to switch lines on/off • Collect data from the current transformers using a microcontroller • Switch lines on/off using microcontroller and relay circuits

  4. Objectives (Continued) • Program the microcontroller to perform A-D conversion and exchange data with the PC • Develop a web interface • Provide power consumption data • Allow switching control over each individual relay • Network the PC to the LAN/Internet

  5. 240 Volt Wall Receptacle (Simulates power lines coming into house) Power Transistor Circuit Board DPDT Relay (Normally Closed) SPDT Relay Server 240 Volt Appliance (e.g. Water Heater) Microcontroller board Current Transformer Serial Communication Breaker Box Not implemented BPL Modem 120 Volt Receptacles/Appliances Overall Design Low voltage signal line High Voltage line

  6. Time Table - Milestones

  7. Project Deliverables • Drawings of home electrical circuits/sensors • Documentation of microcontroller program • Documentation of PC->microcontroller communications program/web interface • Demonstration of how the system is used

  8. Project Budget

  9. Applicability and Usefulness • Help to provide more reliable and efficient energy • Lessen power company expenses with smart metering • Raise awareness to electricity users as to how they are using energy

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