Research on Multi-Parameter Computer Intelligent Monitoring System for Insulation Performance of Key Probe in Nuclear Power Plant

In this paper, an intelligent insulation monitoring system for power equipment of nuclear power plant is proposed. The PC terminal instrument communication and data acquisition program is mainly responsible for receiving and saving the data at the instrument end during the system detection process under the command of the control system and cooperating with the instrument, and generating or exporting the data format for later reading and analysis. After the overall detection process is completed, the program is responsible for output a statistical information, which is used to give the detection date and time. The device improves the leakage current method and the bridge method. The insulation resistance of DC system is detected by the testing principle of ping-pong transformer bridge, which is not affected by the large distributed capacitance of nuclear power plant. The system adopts advanced detection principle and computer technology to realize effective on-line monitoring of DC system and improve the reliability and stability of DC system. Measuring instruments need to provide communication protocols such as current, voltage and other relevant information for software development.