Abstract
A new scheme is proposed to solve the practical problems in the intelligent monitoring of 220kV substation equipment.By analyzing the changes in temperature of substation electrical equipment, it applies wireless sensor network technology inthe inverter station based on the running condition of the equipment. In addition, the acquisition, processing, and communication of temperature information is used as the major research object, and a kind of intelligent monitoring of substation equipment system based on wireless sensor network is designed. By using C805IF996 chip and nRF905 chip as the main chips, the hardware and software design of the temperature data acquisition node and sink node are realized. The result show that the electrical equipment based on wireless sensor has a great impact in overheating monitoring. Based on the above finding, a conclusion is drawn that wireless sensor provides an effective solution for the application of intelligent monitoring of electrical equipment.
Highlights
For high voltage electrical equipment in substation, it is easy to appear insulation aging or too large contacted resistance phenomenon during the long time of operation, and it will lead to overheating, cause fires and large scale blackouts, and bring about significant economic losses
The temperature data acquisition node is connected to the isolation switch, and the sink node placed somewhere on the ground, able to measure the height from the temperature data acquisition node placed at the isolation switch to the ground is H, and the vertical projection of the sink node distance to the temperature data acquisition node in the ground is L
In order to verify the reliability of communication between the temperature data acquisition node and the sink node, we make two temperature data acquisition nodes and a sink node, and observe whether the communication between the two temperature data acquisition nodes and sink node is successful through the serial debugging software
Summary
For high voltage electrical equipment in substation, it is easy to appear insulation aging or too large contacted resistance phenomenon during the long time of operation, and it will lead to overheating, cause fires and large scale blackouts, and bring about significant economic losses. Tion, takes the acquisition, processing, and communication of temperature information as the major research objects, and designs a kind of substation equipment intelligent monitoring system based on wireless sensor network. In the process of system design, the hardware and software design of the temperature data acquisition node and sink node are realized by using C805IF996 chip and nRF905 chip as the main chips. Take Time Division Multiple Access as the communication protocol between the temperature data acquisition node and the sink node. Through the hardware circuit of the temperature data acquisition node and sink node, and the test of mutual communication between them, it has achieved the expected goals and proved the rationality of the design, which provides an effective solution for the application of intelligent monitoring of electrical equipment
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