on-line condition monitoring of motors using ... - AREVA NP Inc.

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What faults can electrical signature analysis detect • Rotor bar damage • Misalignment/ unbalance • Foundation looseness • Static eccentricity • Dynamic eccentricity • Stator mechanical faults • Stator electrical faults • Defective bearings Diagnostic Technologies India Pvt. Ltd.
What is an electrical signature TIME DOMAIN FREQUENCY DOMAIN Representation of the current & voltage in the frequency domain, where f = 1/t Diagnostic Technologies India Pvt. Ltd.
Page 1 and 2: ON-LINE CONDITION MONITORING OF MOT
Page 3: ADVANTAGES OF ELECTRICAL SIGNATURE
Page 7 and 8: Why are there so many peaks in the
Page 9 and 10: What are the low & high frequency s
Page 11 and 12: ROTOR BAR DEGRADATION • The pole
Page 13 and 14: MISALIGNMENT / UNBALANCE • The mo
Page 15 and 16: ECCENTRICITY ROTOR CENTRE STATOR No
Page 17 and 18: DYNAMIC ECCENTRICITY Typical spectr
Page 19 and 20: STATOR ELECTRICAL FAULTS Typical sp
Page 21 and 22: ADDITIONAL APPLICATIONS GENERATORS
Page 23 and 24: EMPATH Electric Motor Performance A
Page 25: CONTACT US Diagnostic Technologies

on-line condition monitoring of motors using ... - AREVA NP Inc.

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