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Free guide helps motor users to cut lifetime costs

06 July, 2023

The Association of Electrical and Mechanical Trades (AEMT) has published a free guide to help industrial motor users to calculate the total cost of ownership (TCO) of their motors.

The purchase price of a typical industrial motor can be just 2% of its lifetime cost. The guide outlines the variables which need to be considered when calculating the total cost and offers recommendations on how to reduce it. Areas covered include using variable-speed drives, higher efficiency motors and improving motor reliability.

Electric motors and motor-driven systems are estimated to account for almost half of all global electricity consumption. If this could be cut by just 10%, it could reduce the global demand for electricity generation by 1,425TWh – equivalent to the electricity used by India, the world's third-largest consumer

Today's energy prices are more than double their historic average before 2021, and forecasts suggest they will remain so for some time to come. As a result, the lifetime cost of running an electric motor is an increasing focus for many users. However, we are still some way from a motor's TCO becoming a standard factor in most purchasing decisions.

“We have produced this guide to encourage a focus on the total cost of ownership of electric motors, to help users reduce their costs and improve their environmental impact,” says the AEMT’s secretary and general manager, Thomas Marks. “From initial system design, right through a motor's operational life, there is a range of ways the total cost incurred can be optimised.

The capital cost of an industrial motor can be just 2% of its lifetime cost.

“Our members are experts in advising motor users on the most efficient and effective solutions for their applications, and we want to highlight the positive impact users can have on their bottom lines and the environment,” he adds.

The free guide can be downloaded from the AEMT’s Web site.

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