ransient fault recorderpost fault analysis to verify protection and circuit breaker opera tions, fault clearance times and distance to faultDisturbance recorderextended recording and logging for slow disturbances and steady state RMS values, harmonics and optional real power and power factorPower quality monitorvoltage and frequency profiles, voltage dips and surges, loss of supply, and harmonic contentFault locatorcalculates distance to fault based on configurable line model