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Articles

• 3D Modeling of Large-Frame Motors at PMW
• A Closer Look at Rotor Bar Testing and Failure Detection
• AC vs. DC HiPot - Which Is Best for Field Testing
• API 541 Overspeed and Directional Rotation Testing Explained
• API 546 Requirements for TEFC Enclosures and Cooling Tests
• Applying API 541 Motor Testing Requirements in Service Centers
• Applying EASA Recommended Vibration Tolerances in Service Centers
• Balancing and Alignment - Keys to Extending Motor Lifespan
• Behind the Scenes of Testing a Synchronous Generator
• Benefits of Predictive Maintenance on Large Motors
• Best Practices for Laser Alignment in Field Installations
• Buying Used and Surplus Electric Motors: How to Avoid Costly Mistakes
• Comprehensive Guide to Thermal Imaging in Predictive Maintenance
• Conducting DC High Potential (HiPot) Tests Safely and Effectively
• Custom Electric Motor Manufacturing - PMW’s Process Explained
• DC Motor Testing Protocols and Failure Modes
• Detecting Rotor Bar Cracks with Current Signature Analysis
• Differences Between AC and DC Hipot Testing Explained
• Differences in Loading Methods in IEEE 112
• Electric Motor Insulation Resistance Testing per IEEE 43
• Electric Motor Repair vs. Replace - What Factors Matter
• Electric Motor Rewind vs. Replace: A Cost-Benefit Analysis for Plant Managers
• Engineering Behind Vertical Pump Motor Assemblies
• Evaluating Turn-to-Turn Insulation with IEEE 522 Surge Tests
• Executing IEEE 118 - Resistance Measurement of Armature Coils
• Executing Locked Rotor Testing per IEEE 112
• Explaining No-Load and Full-Load Motor Testing Procedures
• Field Service Diagnostics for Mission-Critical Motors
• How Large Utility Companies Rely on PMW for Emergency Support
• How PMW Designs Liquid Rheostat Solutions for Startups
• How PMW Engineers Customize Motor Design Using FEA
• How Stator Rewinding Can Restore Motor Performance
• How to Apply IEEE 275 Motor Starting Techniques in Design
• How to Calculate Efficiency Using the IEEE 112 Method B
• How to Conduct a Step Voltage Withstand Test (IEEE 95)
• How to Document Motor Testing Results for API 541 Compliance
• How to Execute an IEEE 112 Load Test on Industrial Motors
• How to Inspect Slot Liners Before Rewinding
• How to Interpret Temperature Rise During Motor Load Testing
• How to Perform Surge Testing per IEEE 522 Standards
• How to Record Test Results for NETA or API Audit Compliance
• How to Validate a Rewind Using Surge, IR, and PI Tests
• How VPI Extends the Life of Electric Motors
• IEEE 117 Torque Testing of DC Machines
• Implementing a Motor Test Plan for Critical Infrastructure
• Implementing Energy Efficiency Measures in Motor Operations
• Importance of Temperature Correction Factors in IR Testing
• Industrial Electric Motor Repair
• Industrial Pump and Motor Repair Services in Oklahoma
• Industrial Pump Repair and Motor Services: Why an Integrated Approach Saves Time and Money
• Insulation Failure - Causes and Repair Methods
• Interpreting Core Loss Test Results in Laminated Steel Stacks
• Interpreting Waveform Distortion in Surge Comparison Testing
• Introduction to Partial Discharge Detection in High-Voltage Motors
• Large Electric Motor Repair Services: What to Look for in a Service Center
• Lessons From Repairing 3000 HP Condensate Pump Motors
• Liquid Rheostat Function in Motor Testing
• Measuring Capacitance and Dissipation Factor in Field Windings
• Modernizing Legacy Motors for New Industrial Specs
• Motor Core Testing Using EL CID Techniques
• Nuclear Power Plant Motor Repair: Quality Standards, Testing, and What Utilities Need to Know
• Partial Discharge Detection Methods in High-Voltage Motors
• Performing a Core Loop Test with Thermal Rise Analysis
• Performing Drop Testing to Assess Stator Core Integrity
• Performing Loop Tests in Accordance with IEEE 432
• Performing No-Load Current Tests on Synchronous Machines
• Performing Winding Resistance Tests in Rewind Validation
• Power Factor Tip-Up Testing in Aged Insulation Systems
• Proper Test Protocols for Enclosed Motors per IEEE 841
• Reducing Equipment Downtime Through Preventive Maintenance
• Role of IEEE 620 in Rotating Equipment Evaluation
• Running a Full Load Test on Vertical Hollow Shaft Motors
• Running an IEEE 95 Step Voltage Withstand Curve
• Step-by-Step Guide to Megger Testing per EASA AR100
• Surge and Hipot Testing - What Plant Engineers Need to Know
• Surge Comparison Testing on 13.8kV Motor Windings
• Techniques for Detecting Partial Discharge in High-Voltage Motors
• Testing for Moisture Contamination in Motor Windings
• The Advantage of PMW’s VLF Test Capabilities
• The Importance of Shaft Alignment in Motor Longevity
• The Process of Certifying a Motor to ISO 9001 Quality Standards
• The Real Cost of Deferring Motor Maintenance in Plants
• The Role of Thermographic Inspections in Motor Diagnostics
• The Science Behind Vibration Analysis in Electric Motors
• Tips for Reducing Downtime With Planned Motor Maintenance
• Understanding Field Weakening in Synchronous Machine Tests
• Understanding IEEE 43 and Motor Insulation Resistance Testing
• Understanding Leakage Reactance Testing in API 541 Motors
• Understanding Polarization Index and Dielectric Absorption Ratio (IEEE 43)
• Understanding Shaft Voltage and Bearing Current Measurements
• Understanding Surge Waveform Testing in Refurbished Motors
• Understanding the Importance of Motor Enclosure Types
• Understanding the Importance of Motor Terminal Connections
• Understanding the Significance of Negative Sequence Currents
• Using Vibration Signature Analysis to Detect Motor Imbalance
• Vacuum Pressure Impregnation (VPI) - Best Practices for Motor Coils
• What Makes PMW Unique
• Why IEEE 141 Short-Circuit Calculations Matter for Motor Design
• Why ISO 9001-2015 Quality Management in Motor Repair
• Why Stator Core Testing Is Critical in Remanufacturing
• Wound Rotor vs. Squirrel Cage Motors - What's the Difference