500kW VFD Motor Vibration and Noise: How to Fix It
Introduction Hello everyone! Today, we’re diving into a puzzling real-world case involving a 500kW VFD system. This motor had been operating…
Top Fixes for VFD Overvoltage and Resistor Burnout Issues
Field Case Study: Root Causes and Solutions for Repeated VFD Overvoltage and Braking Resistor Failure Today, I’d like to share a…
Overcurrent Fault and Motor Vibration with No Visible Faults
Introduction – Diagnosing a Real-World VFD Overcurrent Fault Case with Motor Vibration Hello everyone. Today, I’d like to share a real-world VFD drives…
7 Ways to Solve VFD Interference Causing Relay Issues
Introduction Today, I’d like to share a real-world VFD interference case I encountered on-site: a 200kW variable frequency drive (VFD) was…
How to Diagnose Motor Overheat in a 90kW VFD Driving Two 30kW Motors
In industrial applications such as overhead cranes, it’s common to use a 90kW variable frequency drive (VFD Drives) to power two…
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