Mao-fa GONG1, Chang-lun HU1,Jing-yin HE2,Xiao-ming ZHANG1,Long-qing CHAI1
1.Collage of information and electrical engineering, Shandong University Of Science and Technology, Qingdao266510, China; 2.Qingdao Technical Collage, Qingdao 266555, China
Abstract—According to the feature of city’s apartment building in China, a kind of Multi-users Watt-hour Meter based on ATT7022B has been developed in this paper. The master-slave MCU control model and the principles of Time Sharing Multiplex are adopted in this Watt-hour Meter, its function includes the measurement of current, voltage, power, power factor and the overload protection. It supports remote reading, pre-payment, multi-rate and etc. The practice shows that this meter has high accuracy, runs stable. It has wide prospect in the future market.
Keywords—Multi-users; ATT7022B; Time Sharing Multiplex; Master-Slave Control Mode
Manuscript Number: 1674-8042(2010)supp.-0123-03
dio: 10.3969/j.issn1674-8042.2010.supp..34
References
[1] Jing-jing LIANG, Mao-fa GONG, Zhi-chun DONG, 2009. .Multi-functional Smart power Monitor. Electrical automation.p69-71
[2] Dian-ming zhang,2005.Study of floor-standing watt-hour meter and malignant load identify. Shandong university of science and technology .p14-17
[3] Jian GAO, Mao-fa GONG,2002.Design of microprocessor based prepayment power meter controlling system. Journal of shanghai university (Natural science).p407-409
[4] Actions Semiconductor Company, Shenzhen,2005. ATT7022B User Manual.
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