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交流信号采集与处理(Ac signal acquisition and processing).doc

发布:2017-07-21约1.73万字共20页下载文档
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交流信号采集与处理(Ac signal acquisition and processing) Ac signal acquisition and processing in Must obtain characterization of grid real-time operation state of telemetry and remote communication state  to the value Information processing  controlled power grid security, stability, economic operation command  electricity A quantity transmitter is a device that transforms electricity into a quantity of electricity for measurement purposes. Communication is Quantity into the measuring device   harmonic interference signals need to filter to filter it. The number of According to the processing of signal has become a standard MAO value cannot show that the remote measure  the need for the size of the scale Transform  turned it into numerical  to operator for monitoring and management. The introduction At present the market demand of data acquisition again big  data collector as the core is enough The minimum system widely used  high-performance data collector has a large market. With the meter  rapid development in the field of computer data acquisition and processing system gradually penetrating  in various fields such as medicine In the field of medicine, chemical, food and other production  often require at any time during the process of testing each production link Temperature, humidity, flow, pressure and other parameters. Also our power grid monitoring and scheduling automation The system also need such a data acquisition and processing device  can adapt to all kinds of bad ring Habitat   timely to send and receive response of the status of the power grid information power grid system for automatic scheduling Full, reliable, stable operation. A  alternating current transducer  in the electric power system monitoring and control system for power plants, substation, transmission line, busbar, etc The current of the loop should be measured. Typically, these lines are of great current  impossible Directly measured  therefore with current transformer  TA
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