Faults in Rotating Machines and Diagnosis

EE 72504 · Chapter 4

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5
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5

Past questions by syllabus

4.

Faults in Rotating Machines and Diagnosis

4.4

Airgap Eccentricity: Static, Elliptical, Dynamic and Mixed Eccentricity, Bearings Damage

1 question
  1. 2082 BhadraChapter 4: Faults in Rotating Machines and Diagnosis4.4 Airgap Eccentricity: Static, Elliptical, Dynamic and Mixed Eccentricity, Bearings Damage

    What is eccentricity in rotating electrical machines? Describe different types of eccentricity problems that can occur in a rotating machine.

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4.5

Machine Testing and Fault Diagnostics: Fault Indicators and Fault Representing Equations

2 questions
  1. 2082 BhadraChapter 4: Faults in Rotating Machines and Diagnosis4.5 Machine Testing and Fault Diagnostics: Fault Indicators and Fault Representing Equations

    What do you understand by fault diagnosis and prognosis?

    ASK ON:ChatGPTClaudeAnswers3 marks Asked 1×
  2. 2082 BhadraChapter 4: Faults in Rotating Machines and Diagnosis4.5 Machine Testing and Fault Diagnostics: Fault Indicators and Fault Representing Equations

    How does a model-based fault diagnosis work? What are the advantages and disadvantages of finite element method-based fault diagnosis?

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4.6

Bearing Currents and its Diagnosis: Indirect Methods: Vibration, Ultrasonic Detection and Direct Methods: Voltage Measurement, Rogowski Coil, Reduction of Bearing Currents: Insulated Bearing, Conductive Greases, Shaft Grounding Contacts and Rings, Characteristics Regulation of Frequency Converters

1 question
  1. 2082 BhadraChapter 4: Faults in Rotating Machines and Diagnosis4.6 Bearing Currents and its Diagnosis: Indirect Methods: Vibration, Ultrasonic Detection and Direct Methods: Voltage Measurement, Rogowski Coil, Reduction of Bearing Currents: Insulated Bearing, Conductive Greases, Shaft Grounding Contacts and Rings, Characteristics Regulation of Frequency Converters
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    ASK ON:ChatGPTClaude6 marks Asked 1×
4.7

Diagnostics of Stator and Rotor Faults: Power Electronics, Local and Global Sizes, How the Faults Start, Methods of Diagnostics: Side Harmonics, Magnetic Flux Density Distribution, Park-Clarke Vector, Winding Control, Insulation, Measurement of Insulation Resistance

1 question
  1. 2082 BhadraChapter 4: Faults in Rotating Machines and Diagnosis4.7 Diagnostics of Stator and Rotor Faults: Power Electronics, Local and Global Sizes, How the Faults Start, Methods of Diagnostics: Side Harmonics, Magnetic Flux Density Distribution, Park-Clarke Vector, Winding Control, Insulation, Measurement of Insulation Resistance
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    ASK ON:ChatGPTClaude6 marks Asked 1×
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