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Synthesis of Partial Discharge Signals for Testing of PD Detection Algorithms in Generators

This paper presents a partial discharge signal synthesis that can occur in different locations of the generator. Synthetic signals are generated using RLC impedance circuit that expressed as Damped Oscillatory Pulses (DOPs) function. It is superimposed on the fundamental sine wave based on the cause of the PD signal that can be divided into six forms and five levels of intensity. These signals are used to simulate as the PD signal for testing the PD detection algorithms. Results are reported in Phase Resolved Partial Discharge (PRPD) format, just like results provided by professional companies that is employed as references. PRPD is a primary diagnosis and analyses whether it is PD signal or not. By doing this, the development of PD detection algorithms can be tested and simulated before being applied to real signals.