Lightning arrester device for monitoring whether fault occurs in real time
A technology for real-time monitoring of faults, applied in the field of lightning arresters, can solve the problems of threatening the personal safety of detection personnel and low detection efficiency, and achieve the effects of reducing workload, improving reliability, reducing economic losses and potential safety hazards
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Embodiment 1
[0028] Such as Figure 1 to Figure 4 As shown, the present invention aims to design a lightning arrester, which can add an independent detection function to the original lightning protection function, and can detect whether the lightning arrester is working normally when the transmission line is not powered off.
[0029] Specifically, this embodiment discloses a lightning arrester device that monitors itself in real time for failure, mainly including a lightning arrester, a detection device for detecting whether the lightning arrester is in a normal operating state, and a communication device for remote alarming. One end of the arrester is connected to the fire wire, and the other end is connected to one end of the detection device. The other end of the detection device is grounded. The communication device is connected with the detection device and sends the abnormal data to the remote server.
[0030] The detection device mainly includes three structures, namely a first de...
Embodiment 2
[0039] This embodiment discloses a detection principle and implementation method of a lightning arrester device that monitors itself in real time for failure:
[0040] full current method (such as figure 2 Shown): It is a special AC mA meter connected in series with the ground terminal of the arrester. This device can not only measure the full current flowing through the zinc oxide arrester, but also calculate the discharge times of the arrester. We know that the total leakage current flowing through the arrester is composed of resistive component and capacitive component, no matter whether the arrester fails or not, its capacitive current component is almost unchanged. When a serious accident occurs to the zinc oxide arrester, the resistive current of the arrester will change, so the health of the arrester can be judged by detecting whether the resistive current changes by the full current method. The full current method is easy to operate and is suitable for occasions where...
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