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Drives

Cost benefits of AC drives

By ABB. In addition to their technical advantages, AC drives also provide many cost benefits. In this post, these benefits are reviewed, with the costs divided into investment, installation and…

Line and Load Reactors Basics

11 May 201915 Sep 2019

By TCI Trans-Coil. Reactors can protect both motors and variable frequency drives (VFDs) from harmful current and voltage spikes. Reactors also help reduce power line distortion, known as harmonics, by…

Drives

How To Maintain A VFD Drive

28 Apr 201914 Jul 2019

By Dave Polka, ABB. Do you know how to maintain variable frequency drives (VFDs)? Doing so is easier than you might think. By integrating some simple, logical steps into your…

Drives

Adjustable Speed Drives

10 Apr 201914 Apr 2019

By Leeson. By definition, adjustable speed drives of any type provide a means of variably changing speed to better match operating requirements. Such drives are available in mechanical, fluid and…

Drives

AC Tech MCH Series Drives HVAC Application Guide

22 May 201715 Apr 2019

By Lenze/AC Tech. Affinity Laws Most HVAC systems are designed to perform during peak load conditions that rarely occur during the year. Various flow control methods such as inlet guide…

Drives

How Do I Derate Three Phase Inputs For Single Phase Applications?

8 Feb 201730 Jul 2019

By Lenze/AC Tech. Often times those using a Variable Frequency Drive (VFD) may find they need to connect a higher horsepower VFD to a single phase input power source. Since…

Drives

Mating New Variable Frequency Drives to Existing Motors

8 Feb 201730 Jul 2019

By Lester B. Manz & Robert B. Morgan. Motors connected to VFDs receive power that includes a changeable fundamental frequency, a carrier frequency, and very rapid voltage buildup. These factors…

Drives

Ultra-Low Harmonic Drives Keep Harmful Harmonics out of Food and Beverages

24 Oct 201616 Apr 2019

By ABB. Customers expect their equipment to handle their products with care and avoid unnecessary shaking or vibrations. While this requirement is an obvious one for the food and beverages…

Drives

The Benefits of Variable Frequency Drives

4 May 201620 Jul 2019

By Jeff Bergman With the cost of energy and water and wastewater services continuing to rise, operators are looking for ways to reduce the costs of these basic, yet crucial…

Drives

Modern Variable Frequency Drives are Already Good – But They are Getting Even Better

27 Apr 201616 Apr 2019

By Fuji Electric. Variable frequency drives have emerged as a surefire way to reduce energy costs in induction motor systems. From pumps and fans to material handling and industrial processes,…