Motor Management – Understanding the Fundamentals

motor management fundamentals

Just about every industry has one thing in common: a large population of electric motors. These units can either be in current use, or set aside as spares. Even small operations can have many – but in large plants, the numbers can be staggering.

The days of one-to-one replacement are in the past for most companies. The breakdown of integral machines without immediate replacement just isn’t profitable. But how do you manage your motor inventory and population? What your plant needs is a compressive and logical motor management program.

Why Motor Management?

There are lots of ways putting a logical system together will benefit your operation, including:

  • Potential reduction of excess spare motor inventory
  • Improved energy efficiency and reduction of utility costs
  • Easy identification of potential problem areas
  • More defined appropriate policies and procedures across operations
  • Quantifiable cost savings

The discussion required to discuss each of these points in detail is beyond the scope of a simple blog posting- each could be a post on its own. I will attempt, however, to provide a Cliff’s Notes version.

You can contact your local Kaman representative if you’d like to explore the concept further. We’ll be happy to help!

Applying Motor Management to Your Operation

Many facilities have a mixture of motor part numbers. When researched, you often find that several motors can be standardized with one part number. The new part number will meet the horsepower, RPM, enclosure style and voltage requirements of all of the other specifications. Hence, this can pave the way to a large reduction in your spare motor inventory.

Sustainability is becoming a major focus for most companies. A total review of your current motor population can therefore help you understand your current motor efficiency. A companywide standard can then be implemented to move to newer technology. This will increase your efficiency and decrease your energy expenses. Keep in mind that 60-70% of a facilities’ energy expense is driven by their motor population.

Rewind policies are an important part of understanding and improving motor management. This comes from a cost perspective as well as an energy consumption perspective. Our experience shows that the rewind point for most facilities is around 60 horsepower.

Most importantly, you need to be able to quantify the cost savings that will result from the this kind of program. This will come from a before and after look at costs. With the energy and stock cost reductions, the savings driven from this program could be significant. You can also drive savings by selecting a primary motor vendor, which will provide you a better negotiation position.

To learn more, contact your local Kaman to schedule a meeting with one of our motor specialist.

Estimated Reading Time: 2 minutes

Ken DeBauche

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