Model and simulation of fault diagnosis and protection of power net based on HCETPN

Fault diagnosis and protection is the key of safe running of power net. At present, the main studies of fault diagnosis and protection of power net (FDPPN) concentrate on the establishment and simulation of idiographic model, but there is not universal model. There is distinct limit between discrete character and continuous character in FDPPN, so that the paper extended HPN model to propose Hybrid Condition/Event Timed Petri Net (HCETPN) for FDPPN, then simulated and analyzed the model. The result and practical application indicated that HCETPN possesses notable predominance, and it is feasible in FDPPN.