Dielectric Frequency Response – A Novel Diagnostic Tool for Bushings (Video)
Bushings are a vital part of high voltage transformers and reactors and all maintenance programs need to include bushing condition assessment. A problem with even a single bushing can result in transformer equipment damage and failure, increased power system disturbance and loss of load. Read More >
Line Surge Arresters for Switching Overvoltages in UHV Systems (Video)
Pre-insertion resistors are used to suppress switching overvoltages in UHV systems but their shortcomings prompt utilities to explore other protection schemes such as application of line surge arresters. Read More >