Online monitoring system of partial discharge of power cable
A partial discharge and power cable technology, applied in signal transmission systems, testing dielectric strength, instruments, etc., can solve the problems of high cost, real-time and poor accuracy of partial discharge data collection, etc., to increase the use time and reduce the collection cost. , the effect of low cost
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Embodiment 1
[0037] A kind of power cable partial discharge on-line monitoring system of an embodiment of the present invention, such as figure 1 As shown, it includes n monitoring nodes, 1 central node and 1 data management platform.
[0038] in,
[0039] The n monitoring nodes are installed in n monitoring areas of the power cable, and after the n monitoring nodes collect the partial discharge data of their respective monitoring areas, the partial discharge data are sent to the central node through wireless communication ; n is an integer greater than or equal to 1.
[0040] The central node receives the partial discharge data sent by the n monitoring nodes through wireless communication, and sends the received partial discharge data to the data management platform.
[0041] The data management platform receives and saves the partial discharge data sent by the central node, and processes the partial discharge data.
[0042]An online partial discharge monitoring system for power cables...
Embodiment 2
[0052] Such as figure 2 As shown, taking the m monitoring node as an example, and illustrating on the basis of the embodiment 1, the monitoring node in the embodiment 1 further includes a partial discharge sensor, a partial discharge data acquisition module, a first ZigBee module and a first power module.
[0053] in,
[0054] The partial discharge sensor is used for monitoring the partial discharge signal in the monitoring area on the power cable and sending the partial discharge signal to the partial discharge data acquisition module.
[0055] The partial discharge data acquisition module receives the partial discharge signal sent by the partial discharge sensor, processes the partial discharge signal to obtain partial discharge data, and sends the partial discharge data to the first ZigBee module.
[0056] The first ZigBee module receives the partial discharge data sent by the partial discharge data acquisition module, and sends the partial discharge data; the node m rec...
Embodiment 3
[0060] Such as image 3 As shown, on the basis of the first embodiment, the central node further includes a second ZigBee module, a first mobile communication module and a second power supply module.
[0061] in,
[0062] The second ZigBee module is configured to receive the partial discharge data sent by the first ZigBee interface, and send the partial discharge data to the first mobile communication module.
[0063] The first mobile communication module is configured to receive the partial discharge data sent by the second ZigBee interface, and send the partial discharge data to the data management platform.
[0064] The second power supply module supplies power to the second ZigBee module and the first mobile communication module.
[0065] The ZigBee module is used for communication between the monitoring node and the central node. The ZigBee module has the advantages of low power consumption and free communication, which can greatly increase the service time of the batte...
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