As a national crucial industries, electric power has been developing steadily. In recent years, with the continuous improvement of the national economy, the domestic power industry has been unprecedentedly developed, the demand for power resources is in rapid growth. With the rapid development in the power business, demand for the automatic control technology is also
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This paper summarizes the research status of the development of power line communication technology and the corresponding standards especially those established by standard organizations of Europe and America.The standard frame of remote meter reading system based on power line communication is given according to the actual application situation of our own country,pointing out several main
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With the development of commercial housing, the number of gas users is also increasingly rapidly. The traditional manual meter reading means is a waste of human resources and inefficiency, besides there are security risks in the acts of coming in meter reading. So the traditional manual meter-reading method has apparently not to meet the gas
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