How VFDs Improve Energy Efficiency in HVAC and Pump Systems In modern building services and industrial water systems, one of the most effective ways to reduce electrical energy consumption is by using a variable frequency drive (VFD). By precisely controlling…
Soft Starters vs VFDs – Which Is Better for Your Application? When it comes to controlling electric motors, two of the most popular technologies are the soft starter and the variable frequency drive (VFD). Both help reduce mechanical stress and…
VFD EMC Compliance: Cable Routing, Shielding, and Grounding Explained Electromagnetic compatibility (EMC) is one of the most overlooked — yet most critical — aspects of Variable Frequency Drive (VFD) installation. Poor EMC practices can cause unpredictable behaviour in nearby control…
How to Connect a PLC to a VFD: Step-by-Step Integration Guide In modern automation systems, linking a programmable logic controller (PLC) with a variable frequency drive (VFD) is a fundamental task that unlocks precise motor control, dynamic process adjustment and…
Understanding VFD Fault Codes – Common Causes and Fixes When working with variable‐frequency drives (VFDs), encountering a fault code is one of the most common maintenance challenges. Whether you’re using a drive like the ABB ACS355-03E-04A1-4, Allen Bradley 25A-D013N114, Lenze…
What Is Torque Control in VFDs and How It Improves Motor Efficiency Modern Variable Frequency Drives (VFDs) do far more than just control speed — they also precisely manage motor torque. Torque control is a powerful feature that ensures consistent…
How to Size a VFD Correctly for Motor Power and Load Type Choosing the correct Variable Frequency Drive (VFD) for your motor is one of the most important steps in ensuring long-term reliability, energy efficiency, and protection of your industrial…
What Is an EMC Filter and Do You Need One With Your VFD? If you’re installing a variable frequency drive (VFD), you’ve likely seen the option for an EMC filter. But what does it do—and do you really need one?…
How to Program Multi-Speed Operation in a VFD (2-Speed, 3-Speed & 4-Speed Settings) Multi-speed control allows a variable frequency drive (VFD) to run a motor at two, three, or four preset speeds using external digital inputs. It’s ideal for conveyors,…
