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Keywords: Active distribution network (ADN); smart grid; smart controller; ATT7035; electricity information collection; ZigBee communication technology Abstract. The distribution network may be influenced by access of a large number of distributed generations, such as the impact of short level, reactive power, voltage ride through limitation, bi-directional power flow, etc., which brought a lot of uncertainty for networks' operation and controlling. The future development mode and key direction of distribution network is transformed from passive control to active control. Based on this, a smart home electricity-using controller is designed and developed according to the user layer of active power distribution, which takes ATT7035 chip as core controller, can measure voltage, current, active power, active power and power factor of home appliance, and also calculate the cumulative active energy consumption; the calculation results can be transferred to the smart interactive terminal of home system through ZigBee technology, then the home appliance can be opened and closed by the designed controller through real-time instructions of the smart interactive terminal. The core CPU system controlling module, power drive module, and power parameters acquisition and conditioning module, ZigBee communication module of the smart controller is designed in this paper, and some of their hardware principle diagrams are given. The designed controller has advantages of multiple functions, high reliability, and strong practicability etc., and has a certain market application prospect.

A Kind of Smart Home Electricity Controller based on Active Distribution Networks and ATT7035 Chip