All news and advice about drives and related technology
Using VFDs in Conveyor Systems: Speed Control, Torque Limiting & Load Sharing Explained Conveyor systems are one of the most common applications for Variable Frequency Drives (VFDs). Whether moving products in a warehouse, factory, or processing plant, conveyors require smooth…
How Inrush Current Affects VFDs and How to Protect Your Electrical System Inrush current is one of the most common causes of nuisance trips, blown fuses, and unexpected shutdowns in Variable Frequency Drive (VFD) installations. While VFDs are designed to…
Line Reactors vs DC Chokes vs Input Filters – Which One Does Your VFD Need? Variable Frequency Drives (VFDs) are sensitive to supply quality. Poor incoming power, voltage spikes, and harmonic distortion can cause nuisance trips, overheating, and premature failure.…
VFD Overcurrent, Overvoltage & Ground Faults Explained – Causes and Prevention Variable Frequency Drives (VFDs) are highly reliable when installed and configured correctly. However, three of the most common faults users encounter are overcurrent, overvoltage, and ground fault trips. These…
How to Select a VFD for Constant Torque vs Variable Torque Loads (With Examples) Selecting the correct Variable Frequency Drive (VFD) is not just about matching motor power. One of the most critical — and most commonly misunderstood — factors…
VFD Cooling & Ventilation Requirements: Panel Layout Best Practices Explained Overheating is one of the most common causes of premature VFD failure — and it’s almost always caused by poor enclosure design, restricted airflow, or incorrect drive selection for the…
VFD Safety Explained: STO, Safe Torque Off, and Functional Safety Basics VFD safety is often misunderstood. Many installers assume that stopping a motor via a drive command is “safe” — but in many applications, this is not enough. Modern inverter…
Using VFDs With Generators and Weak Power Supplies: What You Must Know Running a VFD from a generator or weak electrical supply introduces challenges that don’t exist on a stable grid connection. If these issues aren’t understood and planned for,…
VFD Maintenance Checklist: What to Inspect, Replace, and Monitor Over Time VFDs are reliable when installed and maintained correctly — but like all power electronics, they degrade over time. Most unexpected VFD failures are not sudden. They are the result…
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