Technology: general issues 93 History of engineering and technology 84 Fault detection 62 History of engineering & technology 36 Research & information: general 33 Fault tolerance 22 Faults detection 21 Failure analysis 20 fault detection 17 Electric fault currents 16 Faults diagnosis 15 fault diagnosis 15 Wind turbines 13 Electric power transmission networks 12 Controllers 11 Deep learning 11 Fault-tolerant 11 Research and information: general 11 Vibration analysis 11 Doubly fed induction generators 10 Wind power 10 Asynchronous generators 9 Internet of things 9 Learning algorithms 9 Neural networks 9 Power quality 9 Condition monitoring 8 Electric grounding 8 Electric power system control 8 Forecasting 8