Study on Real-Time Measurement and Control Tap of Electric Power
AUTHORS
Masashi Ohchi*,Department of Electrical and Electronics Engineering Chiba Institute of Technology, Japan
Tomonobu Tanaka,COSEL CO., LTD, Japan
ABSTRACT
It is necessary to measure and control electric power in the Home Energy Management System (HEMS). Although many smart taps have already been developed for HEMS, they are not used widely in homes because they do not have enough usefulness that deserves their prices. In this study, we develop a tap that has an additional useful functionality; that is, it can cut off a current to prevent whole-house electricity outages. The developed tap is able to measure the waveforms of a voltage and a current, and it can cut off the current more quickly than circuit breakers used in homes. The tap consists of a relay, an electric energy metering IC, and a Wi-Fi module, and can be manufactured at low costs.
KEYWORDS
Smart tap, HEMS, Electric power measurement and control
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