Practical Electrical and Current Signature Analysis of Electrical Machinery and Systems.

Cover
Copyright
Contents
Table of Equations
Table of Figures
Forward
Section 1: Power Quality and Power Supply
Introduction
Voltage Quality
Voltage Variation: Under and Over Voltage
Voltage Unbalance
Voltage Impulses
Voltage Swells and Sags
Power Factor and True Power Factor
Apparent Power Factor (PFA)
True Power Factor (PFT)
Correction for Power Factor Concerns
Harmonic Conditions
Analyzing Harmonics
Correcting Harmonics
Neutral Harmonics
Equipment and System Ground
Frequency Variation
Section 2: Electric Machines and ESA
Introduction
Principles of Electrical Signature Analysis and Current Signature Analysis
Synchronous Generators
Hydro Generators
Gas Turbines and Diesel Generators with Case Studies
Wind Turbine Generators (DFIG and SFIG)
Transformers
Troubleshooting Transformers with ESA
Utility Scale Solar Transformers
Electric Motors
AC Induction Motor Theory and ESA
Evaluating Induction Motors
Induction Motor Case Studies - Rotor Bars
Bench Testing 900 HP 4160 V 3565 RPM Induction Motor
Induction Motor and Wind Turbine Stator Slot Signatures
Induction Motor Stator Winding Issues
Understanding Induction Motor Eccentricity
Pump Motor with Static Eccentricity due to Misalignment
Loose Base Conditions and Related Losses
Motor Imbalance and Bearing Life and Related Energy Costs
Energy and GHG Emissions Impact of Misalignment
Synchronous Motors
Synchronous Motor Failures and ESA
Servo and Machine Tool Motors
Spindle Machines
AC Servo Motor
Hybrid Vehicle AC Traction Analysis
Application of ESA in a Two-Mode Hybrid Tahoe - A Case Study
DC Electric Motors
DC Troubleshooting Patterns
Considerations in DC Analysis
DC Motor Analysis Discussion.

Case Study: Good DC Elevator Drive with Worn Commutator
Case Study: DC Drive and Armature Defects
Case Study: Analyzing a Roughing Mill Motor
Section 3: Evaluation of Driven Equipment with ESA
Belted Applications
Case Study: Belted Application and 1X RPM
Case Study: Belt Defect Energy and Emissions
Case Study: Belt Slip
Case Study: Fan Turbulence and Vibration with Multi-Technology in a Direct Drive Fan
Pump Applications for ESA
Case Study: Cavitation
Case Study: A Good Pump with Seal Degradation
Case Study: Pump with Major Defects
Gearboxes
Case Study: Right Angle Gearbox (Worm Gear) AC Elevator
Case Study: Cooling Tower Gearbox
Section 4: Tying it Together in a Wind Turbine
Section 5: Machine Learning and RUL/TTFE
Machine Learning with Electric Motor Raw Data
Thoughts on Machine Learning in 2022
Index.