Abstract: The grounding system for a variable-frequency electric motor drive (VFD) is typically designed to enhance the continuity of operation, limit ground fault currents, limit transient ...

Choose the VFD control mode based on the ratio of the system pressure to maximum internal pump pressure. For a centrifugal pump delivering to a system with high operating pressure and or high static ...

Abstract: In medium- and high-voltage variable frequency drive systems, modular multilevel converters (MMCs) often encounter challenges related to limited switching frequency. Traditional sorting ...

Laptop drive almost full? Need to back up your photos? Desktop-size and portable platter storage has never been cheaper. Our deep-dive reviews help you track down the right external hard drive. Since ...

External USB/Thunderbolt SSDs and/or hard drives (aka direct-attached storage, or DAS) are a super-convenient way to add storage capacity to your system as well as back it up. External drives are also ...

Despite the popularity of slim, speedy external SSDs, external hard drives are still essential, cost-effective storage. For as little as $50, you can add a terabyte to your laptop or desktop by ...

Despite the popularity of slim, speedy external SSDs, external hard drives are still essential, cost-effective storage. For as little as $50, you can add a terabyte to your laptop or desktop by ...

Dump that poky portable hard drive! External solid-state drives are faster and more affordable than ever. Check out our top-rated SSDs, plus detailed advice on how to buy the right one for you. Since ...

How to craft a narrative that matters by Frances X. Frei and Anne Morriss Let’s say you’re a leader with an urgent organizational problem—anything from a broken culture to a product that no longer ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› by Arthur Gies Whether you’re ...

Maybe your gaming laptop doesn’t have enough storage. Or you simply want an easy way to make your game library portable. An external SSD can fix both of these issues (and more) by providing an easy ...