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motor testing

Applying Power Quality Measurements to Predictive Maintenance

You may already be using predictive maintenance (PdM) techniques on your motors and drives. But how often do you inspect the power to your equipment? By adding basic power quality measurements to production equipment maintenance procedures you can head off unexpected failures in both production equipment and your power system.

Making Sense of Motor Testing
Asset Condition Management

Making Sense of Motor Testing

This iPresentation Tutorial will cover the application of motor testing with respect to specific failure modes. We will cover what each test can tell us about the motors environment, operational characteristics and it's condition. The value in understanding the how a motor can fail and how motor testing can forecast this failure is essential for an effective motor reliability program.

Asset Condition Management

DC Motor Neutral Axis

Detecting when the brushes are off the magnetic neutral axis can be difficult, especially if the motor is inaccessible during operations. Using voltage analysis in the time domain makes the job

 

Guidelines to a Good Motor Repair

A Good Motor Repair is a Two-Way Street

created through a collaborative effort led by Advanced Energy

In the late 1990s a group of industry experts worked collaboratively to produce a document that any facility can use to better understand and communicate with their motor repair vendors.  This group consisted of utilities, government, motor manufacturers, and the motor repair industry and energy efficiency advocates.  Each participating company is noted in the resulting document “Guidelines to a Good Motor Repair.”  

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Asset Condition Management

Temperature or Embrittlement

A polarization index (PI) test with an index value of greater than 8 may be an indication of heat or age related insulation embrittlement. IEEE-43 suggests for a PI index value greater than 8 to

Fluke Introduces Testing up to 10 kV With the New 1555 and Redesigned 1550C Insulation Testers

Fluke Corporation, the global leader in portable electronic test and measurement technology, has introduced the new Fluke 1555 and redesigned Fluke 1550C insulation resistance testers designed for a wide range of diagnostic and predictive maintenance programs.

U.S. Leader in Large Electric Motor Repair Services, Sales, & Storage Adds Engineering Expertise

Bradleys’ Inc., 1920 N. Port Avenue, has expanded its electric motor repair and service capabilities with the recent additions of Mr. Randy Maddux and Mr. Tim Hartman to its staff.

Working through the Basics of Electric Motor Testing
Asset Condition Management

Working through the Basics of Electric Motor Testing

A 53 Minute Recorded Webinar

This recorded on-demand webinar discussion gets back to the basics of electric motor testing. Learn, relearn, or review, depending on your level of knowledge, the basic fundamentals of quality assurance, the value of trending test results, and how to perform diagnostics.

Understand the six fault zones: Power Quality, Power Circuit, Insulation, Rotor, Stator and Air Gap and how they will help you identify problems and isolate the root cause of each potential motor failure. Finally, consider how improved motor efficiency and reliability can impact your efforts to go green, reduce your energy cost, and affect your bottom line.

Register for this FREE online webinar to:

1) Learn the basic fundamentals of quality assurance, trending, and diagnostics.

2) Understand the basics of the six motor fault zones.

3) Develop a better understanding of how improved efficiency and reliability can reduce your energy costs.

 

On-Line Electrical Motor Testing 101

Electrical Signature Analysis (ESA) is an on-line test method where voltage and current waveforms are captured while the motor system is running and then, via a Fast Fourier Transform (FFT), a spectral analysis is done by the provided software.

Shermco’s Chris Perry Conducts Training Course for OPMUG

Chris Perry, of Shermco Industries, recently conducted an “Off-line and On-line Motor Testing” course for the Oklahoma Predictive Maintenance Users Group.

Asset Condition Management

Motor Storage Tip

When a motor is not properly cared for during storage damage to its bearings may occur. The two main failure modes that occur are false brinelling and static corrosion.

False brinelling occurs

Megger Promotes Substation Best Practice in Alaska

To meet the needs of electrical testing professionals seeking technologies that will help to enhance their company’s efficiency, effectiveness and reliability, Megger is presenting two free one-day seminars in Anchorage, AK. The seminars address some of the most important and costly issues relating to substation maintenance, and include extensive practical presentations.

Asset Condition Management

Coefficient of Friction

Carbon brushes are used to carry current from the DC power supply and the series windings to the commutator and armature circuit. They must be seated properly to allow for a low coefficient of

Utilizing Surge Testing for Proper Motor Rewinding
Asset Condition Management

Utilizing Surge Testing for Proper Motor Rewinding

A 10 minute iPresentation Tutorial by Amy Frey, Baker Instrument Company

The Surge test is typically utilized for predictive Maintenance, quality assurance and trouble shooting. In this iPresentation we will discuss how electric motor insulation ages, how the surge test in conjunction with the P-P EAR and L-L EAR is utilized for Quality assurance, and what to look for when testing.

 

PdMA Corporation Announces Motor Circuit Analysis (MCA) Certification

PdMA is proud to join with The Snell Group in presenting the MCA Certification training course. The Snell Group is the world leader in MCA training, consulting, and inspection services.

Motor Management Programs and an Auto Industry Success Story

by Howard W Penrose, Ph.D., CMRP and Robert Varcoe

A variety of concepts related to the term ‘motor management’ have been presented within industry since the 1990s.  Many of these programs are actually ‘energy-efficient electric motor retrofit or repair versus replace’ ideas which make up only a small portion of the overall opportunities when properly managing electric motor systems.

Asset Condition Management

Effects of Post Repair Testing on Inductance

Inductance measurements are often used for trending, troubleshooting, and quality control testing of motor health. Once a motor is installed and running under the normal operating conditions of

Asset Condition Management

Resistance-to-Ground Discharge Time

It is common practice to perform resistance-to-ground (RTG) measurements to verify the integrity of the Insulation System in a motor. It is also common practice to re-test a motor, when there are

Asset Condition Management

Motor Repair or Replacement? Go Green

The ever present emphasis on technological efficiency is just one of several forces behind the pressure on companies to "go green" despite a trying economy. The ultimate criterion that determines

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