| Summary: | 碩士 === 聖約翰科技大學 === 電子工程系碩士班 === 99 === Most household supervisor showed only the energy data on the electricity bill to how the energy wasted. However, this power saving approach is not effective enough. The effective power management requires users to understand not only the total power consumption of the household, but also the power consumption of each electric appliance in the household. From the knowledge of how much power wasting of all electric appliances, we can really change the habit for using electric appliance and effectively to avoid wasting power.
Based on the power management demands of normal households, this thesis proposed an intelligent household power monitoring system. This system was configure to HT46F49E, which is a flash-type 8-bit MCU produced by Holtek Cop., and ADE7755, a high-precision energy meter IC, to capture and compute energy data. A LCD was attached on the system to show an immediately energy usage statistical information. We could through buttons and select the type of data to display and to know the overall power conservation for saving power. Furthermore, for verifying the accuracy of this system, to compare with other digital power meter is essential. Through examining, we find that the energy supervisor has little error under lower-watt household appliances. Meanwhile, the measurement of power is with less than 0.5 percent margin of error and the measurement of voltage is with less then 1 percent margin of error.
|
|---|
