Typical defects of intermediate joints in distribution cables detected by microwave

During the manufacturing process of intermediate joints for distribution cables, various defects are prone to occur due to the complexity of the technology and the properties of the materials. If these defects are not detected in time, they may lead to a decline in the performance of the intermediate joints or even faults, thereby affecting the safe operation of the power system. Therefore, it is of vital importance to develop an efficient and reliable detection technology to identify defects in the production process. This study focuses on the detection of typical defects in the manufacturing process of intermediate joints of distribution cables and adopts microwave detection technology as the main means. Based on an analysis of the structural characteristics and microwave propagation characteristics of the cable intermediate joint during the manufacturing process, a microwave detection model suitable for the production environment was established. In experiments, targeted test schemes were designed for common types of production defects, and real-time detection was carried out during the actual production process. The research results showed that microwave detection technology can quickly and accurately identify a variety of typical defects in the manufacturing process of cable intermediate joints, with high detection sensitivity and little interference to the production process. This study provides an effective detection method for the production quality control of intermediate joints of distribution cables, which is conducive to improving production efficiency and product quality and reducing the later maintenance cost and fault risk caused by defects.