Abstract
The crimping process is mainly determined by the initial tolerance field of the fitting-rod assembly and the hardness of the fittings. The initial tolerance field of the fitting-rod assembly results in a higher crimping pressure as the tolerance field increases. The greater the hardness of the fittings, the higher the crimping pressure. In practice, due to the above mentioned factors, it is impossible to set an optimum crimping pressure to ensure a correct fitting-rod assembly. The article presents a system for monitoring the acoustic emissions during the crimping process of composite insulators. The system achieves an automatic classification of the type of crimping, a database of the acoustic emission graph recordings, the storage of the values as TDMS files, and generates automatic reports of the crimping process. This method was successfully tested.
Highlights
The efficiency of electric power systems depends on the reliability of power networks and equipment
Composite insulators consist of the following components: a glass reinforced polymer (GRP) rod, two metal end fittings attached to the rod during assembly and a series of electrically insulating rubber sheds (Figure 1)
The insulators were tested at 70% of the specific mechanical load, indicating the fact that, in the case of over-compression, the values of the acoustic emissions recorded during the crimping process show cracks in the insulator fiberglass rod
Summary
The efficiency of electric power systems depends on the reliability of power networks and equipment. Electric power transmission systems rely on key components such as insulators, which are used to support the conductors at high voltage. Due to the high mechanical strength-to-weight ratio, the improved damage tolerance, flexibility, and ease of installation, composite insulators are more advantageous than their porcelain counterparts. Considering that they are relatively recent products, their design is still in the development stage, and their structural integrity and expected life until failure are matters under consideration for both utilities and manufacturers since [1,2,3].
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
