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PdMA Tip of the Week: Is Your Motor Tripping?

Is Your Motor Tripping?

One of the issues that may be experienced after installing a new Motor is sometimes referred to as “nuisance trips.” Although they certainly can be a nuisance, could it be that they are the sign of something more serious taking place? After all, when something is new, that doesn’t always mean that it is of the highest quality.

Tip of the Week

The first thing you should do is look for the NEMA Code Letter (it should be located on the nameplate). The letter helps when you calculate the design locked rotor or In-Rush current for that particular motor.

Perform an in-rush/start-up test to determine the actual in-rush current. This test allows you to determine if the actual current is exceeding the design current. If it isn’t, you can focus your troubleshooting efforts on the trip relay settings.


PdMA® Corporation is an industry leader in the field of predictive maintenance (PdM) and condition monitoring, globally offering Electric Motor Testing instruments.

You are invited to submit an Electric Motor Testing Tip of your own and receive a free PdMA® mug or hat if we publish it! Contact Lou at 813-621-6463 ext. 126 or [email protected]

Copyright 2017 PdMA® Corporation. All rights reserved. The PdMA Tip of the Week is produced by PdMA. PdMA shall not be liable for any errors or delays in the content, or any actions taken in reliance thereon. L&S Electric is reproducing with permission.

The post PdMA Tip of the Week: Is Your Motor Tripping? appeared first on L&S Electric.



This post first appeared on Watts NewL&S Electric | The Official Blog For L&S, please read the originial post: here

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PdMA Tip of the Week: Is Your Motor Tripping?

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