What are the common difficulties in cable fault detection

2022/06/07

Author: Noyafa–CCTV Monitor Tester

Difficulties in cable fault detection What are the common difficulties in cable fault detection? 1. The cause of the cable fault is not clear. Through the detection of the faulty cable, and the data indicators of the cable are not abnormal, it is impossible to judge the type of cable fault, or even no Appropriate way to detect the fault point of the cable. Difficulties in cable fault detection 2. The cable resistance is unstable. Because the location of the cable fault point is wet or there is water accumulation, the resistance value of the detection cable fluctuates up and down, which affects the judgment of the cause of the cable fault. As a result, the progress of the detection work is delayed.

Difficulties in cable fault detection 3. The surrounding environment is finally the interference of surrounding sounds. We all know that when the cable fault detector locates the fault point of the cable, the signal sound of the fault point is relatively weak, and a quiet environment is needed to monitor. The ambient noise is too loud, which will affect the signal snooping at the fault point. Difficulties in cable fault detection 4. Large cable length At present, most of the cable fault detection methods are generally based on the pulse current analysis on the ground wire. However, due to the generally long cable lines, the attenuation of partial discharge signals in the cable is too fast, and the signal detection High difficulty. Shenzhen Noyafa Electronic Technology Co., Ltd. is a high-tech enterprise engaged in scientific research, production and sales, and provides technical services for cable fault detection.

At present, a variety of high-voltage test equipment and testing instruments have been widely used in the industry. At the same time, our company provides technical services such as cable fault detection and substation testing and testing to users across the country. The core engineer responsible for providing technical services has 20 years of on-site testing. Experience, can provide solutions according to different types of cables and site environment. What are the common difficulties in cable fault detection? Shenzhen Noyafa Electronic Technology Co., Ltd.

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