In The Know
Electric Motor Resource Library
In The Know Resources
How VFDs Can Damage Your Motors (and How to Prevent It)
Variable Frequency Drives (VFDs) are widely used across industries because they save energy and provide precise motor control. They make sense for most applications—but if not managed correctly, VFDs can dramatically reduce the lifespan of your motors. In some cases,...
Recommended Vibration Analysis Tools and Technology for Predictive Maintenance
Strange noises in a car usually mean it’s time for a mechanic—waiting until it breaks down only leads to higher repair costs and longer downtime. The same principle applies to industrial equipment and electric motors. At the first sign of vibration issues, you should...
Electric Motor Storage Checklist: Best Practices for Short-Term and Long-Term Motor Storage
When an electric motor fails, downtime can quickly turn into lost revenue. While regular motor maintenance and inspections are critical, smart businesses also prepare for unexpected breakdowns by keeping replacement motors in storage. But storing an electric motor...
Motor Shop Spotlight: Inspection, Machining, and Rewinding
In this second installment of our four-part Motor Shop Spotlight series, we highlight the mechanical inspection, machining, and rewinding processes that ensure electric motors are restored to peak performance. At Energy Management Corporation, our team follows strict...
Motor Vibration Basics: Causes, Effects, and Prevention
Motor vibration is one of the most common issues that can shorten the lifespan of your equipment, increase operational costs, and lead to unexpected downtime. If not addressed quickly, even minor vibration problems can escalate into serious motor failures and safety...
Ask These Questions Before Choosing an Electric Motor Repair Shop
Your electric motors and related equipment are the backbone of your operations. Sending them to an unvetted motor repair shop can lead to costly downtime, expensive mistakes, or even permanent equipment damage. With thousands of shops promising they can handle...
What is an Induction Motor? A Complete Guide to Components, Types, and Efficiency
Did you know the induction motor was first patented by Nikola Tesla in 1887? More than 130 years later, induction motors have become one of the most widely used machines in both residential and industrial applications. From powering air conditioners, fans, and pumps...
Motor Shop Spotlight: Expert Electric Motor Disassembly, Testing, and Cleaning
At Knower Network, we take pride in highlighting the motor shop services that keep industries running smoothly. With more than a century of experience, our electric motor repair shops are recognized for their precision, reliability, and adherence to industry...
NEC Article 708 Explained: Critical Operations Power Systems and Generator Requirements
NEC Article 708 outlines strict standards for Critical Operations Power Systems (COPS)—specialized generator systems designed to protect essential facilities during emergencies. Introduced in the 2008 National Electrical Code after the 9/11 terrorist attacks and...
When to Repair and When to Replace an Electric Motor
As we’ve discussed before, regular inspections and preventative maintenance are essential to keep your electric motors and production lines running. Once the motor fails, companies must decide whether to repair or replace it. Making the wrong choice could be the...