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Understanding the Power System in the Development of Intelligent Building

With the widespread use of computer science and electronic information technology, intelligent building has been developing at a fast pace, pointing out the future direction for construction industry and attracting wide range of investigation in subdivided fields. This paper concentrates mainly on the electric system in intelligent building, which is divided into various sections. Having a review on two main sections, power supply and distribution system and wireless sensor networks system, this paper discusses concrete issues these systems are in face of. In power supply and distribution system, harmonic suppression, reactive power compensation and overvoltage protection are required simultaneously to maintain the stable operation as well as the efficiency of the system. In wireless sensor networks system, by virtue of its precision and fragility, strengthening anti-interference capacity of the connected sensors not only physically, but also in the information transmitting area is what deserves researching. Based on that, latest measures to these issues are listed respectively in this article, reflecting the forefront developing direction and providing concise references to investigators interested in this field.