Abstract
The paper describes the modeling of a partial discharge (PD) pulse in the grounding circuit of power cables in order to evaluate the effectiveness of using a low-resistance resistive element for registering par-tial discharges. Three possible options for constructing the model are considered. The first is based on the classical method for calculating transients. A system of differential equations was compiled, corresponding to the compiled scheme for the occurrence of PD impulses. The system was then solved using the Matlab software package. The Simscape Electrical module built into Matlab/Simulink was chosen as the second option for build-ing the model. A scheme for the occurrence of a partial discharge was drawn up, initial conditions were set, and a solution was made. The third option for constructing the model was a computer model of an electrical circuit using a calibration generator. All three constructed models showed similar simulation results for a PD pulse cor-responding to 3 nC. As a result, it was determined that the resistive element can be used to register partial dis-charges. However, possible registration problems can be interference in the enterprise network. However, it is assumed that dangerous levels of partial discharges can be recorded even in the presence of interference.
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