Motor Testing

 

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EMP Engineering Services motor test and evaluation covers motors of all types and sizes.  By understanding the condition of motors and ensuring that they are operating in the most economically efficient mode possible our clients realize significant gains to their bottom line.

Key Benefits of Motor Testing

bulletCost reduction through the early detection of problems such as weak insulation and open connections.
bulletImproved efficiency through diagnosis of adverse factors affecting the dollar cost of operation.
bulletReduced downtime through increased equipment reliability and availability.

EMP Motor Testing Capabilities

EMP Engineering Services offers test and evaluation services using equipment and practices blend the cutting edge of technology with time-tested practices used by OEMs and major motor users.

MCE Testing
There are many motor tests on the market today.  These tests assess various electrical parameters of the motor and use that assessment to predict the motors health.  EMP Engineering Services has found that the Motor Circuit Evaluation (MCE) by PdMA provides the most accurate and cost effective means of accomplishing this assessment.  The MCE measures insulation resistance (megger), capacitance-to-ground, circuit inductance and circuit resistance on a standard test.  The insulation resistance and circuit resistance are also temperature corrected to allow trending and comparisons to IEEE recommended criteria.  MCE testing monitors the condition of a motor by periodically measuring these parameters.
 
In addition to the standard test, the MCE can also be used to measure Polarization Profiles (PP) and Rotor Influence Coefficients (RIC).
 
An insulation system polarizes if potential is left on it for an extended period.  As noted by James Biddle three quarters of a century ago, the insulation resistance should rise as this polarization takes place.  A failure to rise or periodic discharging are causes for concern.  The PP shows this in a graphical format.
 
The RIC is intended to identify problems in the magnetic circuit, an area that is overlooked in most motor tests.  This will identify broken rotor bars, shorted laminations and faulty amortisseur windings.

 

 

 

 

 

 
 
DC and Synchronous Motor Testing, Set-Up and Evaluation
EMP Engineering Services also offers a wide range of services for DC motors and generators, Synchronous motors and other large electrical equipment.  This includes troubleshooting commutation problems, high voltage insulation resistance testing and erection/rip-out supervision services.

Our technical staff has significant experience in these areas and our copyrighted software helps us provide customers with the finest installation and troubleshooting support available.

Downloads
Please take the time to view our line card or a sample MCE report
 
1. Line card of MCE services:       MCE Testing.pdf
2. Sample MCE report:                Sample MCE report.pdf

 

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Copyright © 2001 EMP Engineering Services, Inc.
Last modified: 10/25/02