Research Article

Power Loss Prediction for Aging Characteristics and Condition Monitoring for Parallel-Connected Power Modules Using Nonlinear Autoregressive Neural Network

Table 5

Maintenance measures.

The degradation gradeMaintenance measures

NormalContinue working
Slight aging IUsual inspection or check
Slight aging IIUsual inspection or check
Serious aging IStop and usual maintenance
Serious aging IIStop and change devices