VFD

  1. VFDs and Harmonics – Why You Should Care

    VFDs and Harmonics – Why You Should Care

    What Problems Can Come With VFDs? Most people that buy and use a variable frequency drive (VFD) are aware of the benefits they offer, such as speed control over their motor application or energy savings...
  2. dV/dt – What Is It and Why Should You Care?

    dV/dt – What Is It and Why Should You Care?

    Problems Caused From VFD Use: Variable frequency drives (VFDs) are helpful in many applications. They can help to control speed and save energy, but they can also present problems. One of the side effects that...
  3. How to Protect VFDs in Long Term Storage

    How to Protect VFDs in Long Term Storage

    Keeping a Spare VFD Many applications that utilize a variable frequency drive (VFD) are critical and can’t afford to have extensive downtime. One option that many opt for is to keep a spare VFD on...
  4. Is Your VFD Covered Under Warranty?

    Is Your VFD Covered Under Warranty?

    The Importance of Warranties When shopping for a low voltage variable frequency drive (VFD) it is important to look at the warranty on each option you consider. You may hope to never need the warranty...
  5. Four Mistakes That Are Killing Your VFD

    Four Mistakes That Are Killing Your VFD

    Are You Killing Your VFD? Not too long ago, I was at a facility that had a variable frequency drive (VFD) mounted on the wall. That VFD had been there for almost 20 years and...
  6. Can a VFD Convert Single-Phase Power to Three-Phase?

    Can a VFD Convert Single-Phase Power to Three-Phase?

    Using VFDs To Convert Single-Phase To Three-Phase One of the most common calls we receive at VFDs.com is asking about phase conversion: Can a Variable Frequency Drive (VFD) convert my single-phase power supply to run...
  7. 12-Pulse & 18-Pulse Variable Frequency Drives

    12-Pulse & 18-Pulse Variable Frequency Drives

    Overview With harmonic distortion becoming more of a problem every day, folks are looking for cost-effective means of harmonic mitigation. Manufacturers are more than happy to provide solutions, but with so many methods available, how...
  8. Industry Spotlight: Using VFDs for Swimming Pool Filtration Systems

    Industry Spotlight: Using VFDs for Swimming Pool Filtration Systems

    Variable Frequency Drives (VFDs) provide immense savings and energy use reduction in swimming pool and filtration pump applications. Read below to learn more about the effect VFDs have on the way many pool and filtration...
  9. VFD Panel Buying Guide (Illustration)

    VFD Panel Buying Guide (Illustration)

    Learn how to choose a VFD panel for your application step by step with this illustrated buying guide. It will walk you through the selection process from looking at your motor name plate to choosing extra equipment or options.
  10. How to Wire a VFD

    How to Wire a VFD

    Learn the basic wiring of variable frequency drives / VFD with our electrician Steve Quist. In this video, we used the very popular Mitsubishi D700 series VFD, showing single phase and three phase wiring instructions. The VFDs showed in the video are the D720S (230V single phase) and the D720 (230V three phase). We strongly recommend using a certified electrician to set up your VFDs. If you are doing this on your own, make sure you wear protective gear and take proper precautions.

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