Sanmenxia Electrical Power Supply Company

Sanmenxia, China

Sanmenxia Electrical Power Supply Company

Sanmenxia, China
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Chen G.-Y.,Zhengzhou University | Yang J.-X.,Sanmenxia Electrical Power Supply Company | Yang S.-X.,Sanmenxia Electrical Power Supply Company | Wang Z.-G.,Sanmenxia Electrical Power Supply Company | Kong H.-L.,Sanmenxia Electrical Power Supply Company
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | Year: 2010

To solve the problem of voltage data acquisition in mid-voltage power grid, the remote data acquisition system based on coupling capacitance is designed for distribution lines by using GPRS wireless communication and PIC single chip. Using lower cost capacitance to collect nodal voltage, involving phase voltage and zero sequence voltage. Filtering ways and signal conversion for the voltage signal of mid-voltage power grid are presented, and the acquisition program for the collector and the whole system block chart of work are designed. Design scheme has been used in power equipment monitoring and control and fault location. Data acquisition cost is reduced. The system design of the hardware and software is proved reasonable by run test.

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