Polymeric insulators need proper management and maintenance. Without proper management, the electric devices can be affected by factors such as leakages in the electricity system. In outdoor insulation, the environment subjects the material to a variety of stresses simultaneously that can lead to rapid degradation and loss of the insulation properties. Contamination of the surface of the insula...

The presented article concerns issues related to the diagnostics of technical condition insulation electrical machines. It discusses importance operational supervision, maintenance and machine systems. structure system is known solutions for making winding are described. negative impact conditions various exposures on Special attention focused review available diagnostic methods insulating syst...

Design techniques for the vacuum insulation have been developed in order to realize a reliable voltage holding capability of multi-aperture multi-grid (MAMuG) accelerators for fusion application. In this method, the nested multi-stage configuration of the MAMuG accelerator can be uniquely designed to satisfy the target voltage within given boundary conditions. The evaluation of the voltage hold...

In the field of energy transport, High-Voltage DC (HVDC) technologies are booming at present due to the more flexible power converter solutions along with needs to bring electrical energy from distributed production areas to consumption sites and to strengthen large-scale energy networks. These developments go with challenges in qualifying insulating materials embedded in those systems and in t...

This paper compares and analyzes the insulation structure of vacuum interrupter, focusing on influence mechanical characteristics shield insulation, establishes an electric field calculation model for axisymmetric interrupter. Finally, radius conductive rod thickness contact are compared optimized, then is calculated, simulated analyzed with ANSYS software to verify optimization direction.

Two large electric utilities, located on the US West Coast, use a considerable number of composite insulators on their power transmission lines. Some of these insulators may be prone to premature insulation degradation caused by poor design, manufacturing defects, pollution or construction mishandling, or gunshot vandalism. This may result in flashover and power outages, unless the state of the...

Voltage stabilizers are additives capable of inhibiting electrical treeing; a degradation mechanism for insulation materials subjected to strong divergent electric fields. The intended use is in cross-linked polyethylene (XLPE) high voltage power cable insulation where minute defects in the manufacturing process can give rise to the conditions needed for the initiation of treeing, which in the ...