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A novel partial discharge detection system based on wireless technology

A novel Partial Discharge detection system is here described. The system employs a special wideband antenna as a sensor, allowing to sense either Partial Discharges pulses either the AC supply voltage at a distance from the component under test, so avoiding the need of direct connection or component shutdown. Thanks to its wireless nature and small physical dimensions, the system enables to perform accurate on-line Partial Discharge diagnosis even in circumstances where conventional instrumentation would be impractical to use, so greatly extending the applicability of this diagnostic method.