Do you want to become a part of a community that makes peoples lives safer and. Reacceleration is a method of automatically restarting motors after an unexpected deacceleration caused by system voltage events such as dips, outages, or bus transfers. There are also awards given for best overall program, best emerging program and best green reliability program. This article describes how condition monitoring detects motor damaging. Integrated power services service and repair for electric. Tech talk may 2010 learning resources holland industrial.
I hope you find the incredible work on the pages of uptime magazine as. Duty cycle of the load defines how much time the motor must run and stop. Testing of increased safety ht induction motor for hazardous area. With a drive motor, that is in the direction of the belt tension on the sheave end. The 11kv motor claimed to be one of the largest of its type has been designed to operate at speeds from 2,5004,000 rpm with an efficiency of up to 98. Our electrical troubleshooting training course teaches how important it is to establishing a preventative maintenance program. With high demand for its products, ensuring smooth operation of critical equipment is a top priority for omifco this article is reprinted with permission from uptime magazine.
Performance management electric motor testing equipment. Alignment, vibration, balancing and ultrasound training mapped to uptime elements. A motor may lose the capability to cool itself if turned down too far. Volvo group magazine is aimed at all the coworkers within the volvo group. Our use of the uptime elements is designed to assist you in categorizing and organizing your own. If you cannot make total productive maintenance work in your plant, you will surely struggle with the iso 55000 asset management standard.
Electric motor testing is usuallly the first thing to be sacrificed when cutting back on operational expenses. Motor testing is integral to the success and efficiency of your business. No part of uptime magazine may be reproduced or transmitted in any form. The motor base must be cleaned and inspected for cracks. A wide range of dmms are available to measure voltage, current, and resistance, depending on the motor power ratings. No part of uptime magazine may be reproduced or transmitted in. Driveability corner gas analyzer o2 reading motor magazine. It was reported that the motor was an ieee841 pe motor.
Uptime elements passports 5 and dictionary, the journey to improved business performance, dont just fix it, improve it. The mission of uptime magazine is to make maintenance reliability professionals and asset managers safer and more successful. Physical asset management the art of saving money by extending motor life and optimizing motor performance motor testing new twist on interpreting vibration analysis faults motor performance management uptime magazine junejuly 2012 the magazine for maintenance reliability professionals. Jul 16, 2012 conversely, if fatigue was the culprit, the initial force may have been applied millions of cycles before the final failure occurred. Several motor failure mechanisms and test methods to determine whether a motor is suitable for extended service are discussed. Edi performed field tests to diagnose the cause of the coupling.
To make the people we serve safer and more successful. Electric motor testing explained the electricity forum. Cnc machining bradleys motors electric motor solutions. One way we support this mission is to suggest a reliability system for asset performance management as pictured below. Teach the knowinglearning part of the uptime elements reliability. Conducting training classes around the country, im constantly surprised by the number of shops that dont own a 4 or 5gas analyzer. Reliability testing of electric motors ieee journals.
Bradleys cnc facility has the largest part machining and manufacturing capacity south of dallas, tx. The tests and assessment for the ex e motors are as follows. This car shows no performance deterioration as compared to a brandnew one just off the lot. Technology areas include vibration analysis, infrared thermography, electric motor testing, oil analysis and airborne ultrasound. This testing provides a snapshot of both the circuit integrity and the power quality that is servicing a motor. In 2008 and 2010, uptime magazine selected our cbm program as. Application and limitations of these test procedures are described. Reliability life testing and evaluation of 3phase motors. The main purpose of the information that will be presented here is to describe many of the available tests that can be utilized under these different circumstances. Erm affects drastically the three key elements of competitiveness quality, cost, and product lead time. Physical asset management the art of saving money by extending motor life and optimizing motor performance motor testing new twist on interpreting vibration analysis faults motor performance management uptime magazine junejuly 2012 the magazine for. How does condition monitoring prevent motor failures.
Motor diagnostics alignmentbalancing reliability ultrasound vibration plus a feature article on relevant topics to help you increase your knowledge about the industry and take your companys predictive maintenance to a higher level. This article was reprinted with permission by uptime magazine. To do this, the analyst will need to become very familiar with what is normal or typical ultrasonic readings for the specific motor. An award winning program congratulations to westar energy for wi nning the 2012 uptime magazine best maintenance reliability program. Assess general interest in onsite motor testing, 2. Aug 06, 2019 a motor may lose the capability to cool itself if turned down too far. Inservice motor testing final report by washington state university cooperative extension energy program contract no. Motor reacceleration to improve process uptime ieee. However, it is well established that this testing is very effective in discrim inating between design and manufacture of motors with respect to the motor windings, the varnish. Uptime magazine s awards recognize organizations that demonstrate excellence in managing equipment reliability using advanced strate. Jul 06, 2016 a dmm digital multimeter, such as this keithley dmm7510 from tektronix, is a musthave instrument for motor testing. However, you wont be able to draw from published figures.
Looking at the time in the chart, the 0to60 time is 8. There are occasional cases when a ductile shaft will fail in a somewhat brittle manner. Testing and assessment of ex e motor the designed ex e ht squirrel cage induction motor are tested and assessed for performance of motor to ensure that these designed motor will not be unsafe in hazardous area. Las vegas, nv and fort myers, fl prweb august 18, 2016 announced the call for papers for iocm2017, the internet of condition monitoring symposium to be collocated with the reliability conference, april 2428, 2016 in las vegas, nevada. Motor current monitoring and analysis mcsa is a straight forward tool to diagnosing problems with large inductive motors. Click anywhere on this page and you will be directed to the uptime website. New oil hould be clean oil an analysis of new oil cleanliness by mike johnson, cmrp ecently a midsized company conducted a study on the state of delivered oil cleanliness as part of a planned.
It is concluded that motor windings fail because the magnetic forces which turn the rotor also cause. Aug 28, 2014 if you cannot make total productive maintenance work in your plant, you will surely struggle with the iso 55000 asset management standard. Inservice motor testing consortium for energy efficiency. The motors rated duty cycle must be better than that required by the load.
Here is a list of rexnord products at work cleaning tomorrows coal today. Fortunately, the declining costs of sensors and submeters, together with the growing big data industry, have made condition mon. The uptime institute owners advisory committee defined 12 hours of minimum fuel storage as a starting point for tierdefined data centers. But smart companies understands is that what this means for maintenance programs is billions of dollars of lost revenue through increased motor repair costs, downtime, and waste in industrial and commercial companies. Terrence ohanlon ceopublisher, and uptime magazine. Operator care vibration thermography oil analysis motor testing ultrasound. Jerresand, vice president uptime and retail ud trucks. Induction motor testing and evaluation summary as energy costs rise, more emphasis is being placed on determining the health of large inductive motors. Finding a motor fault before it breaks can save countless hours of downtime and. Uptime magazine announces predictive maintenance program.
Driveability corner hightech engines performance testing. Wellmaintained machines hold tolerances better, help to reduce scrap and rework, and raise part consistency and quality. Topology requires this 12hour fuel storage minimum for all tiers at 12 hours of runtime at n load while. Tips for a lean approach to motor reliability efficient plant. Equipment reliability and maintenance the competitive edge. Drive motors are one of the areas in which i recommend the use of ultrasonic measurements to supplement the vibration analysis.
Failure analysis of machine shafts efficient plant. Ge has completed noload testing on an 80mw twopole induction motor designed for use in the liquefied natural gas lng industry. Unplanned downtime costs are difficult to calculate, but often significant. Nov 01, 2010 technology areas include vibration analysis, infrared thermography, electric motor testing, oil analysis and airborne ultrasound. Prevent motor failures u ntil now, preventing motor failure required early retirement, as in repairing or replacing your rotating equipment on a sched ule possibly years before the motor would fail. The mission of uptime magazine is to make maintenance reliability professionals and asset. Oil analysis, infrared 2008 uptime magazines overall pdm program of the year 2007 uptime magazines infrared program of the year 2007 jacobs safety award 2006 middle tennessee aee energy mgmt award. The 2010 uptime magazine predictive maintenance program of the year award winners are. In addition to conventional squirrel cage rotor testing methods such as the growler test, also covered will be. Electrical troubleshooting training electricity forum. Using risk and condition assessment to drive motor repair decisions. Total productive maintenance tpm is an organizationwide process for improving equipment effectiveness that was taken from the heart of what we now know as the toyota production system tps.
Workshops include lectures, audio and video case studies from industry thought leaders, and uptime magazines best reliability program award winners. By increasing uptime and yields of good parts, erm can reduce capital requirements, thereby cutting total production. Complete predictive and preventive services, plus onsite repairs for longer asset life, more uptime and less downtime. She began her career at advanced energy testing thousands of motors.
Regardless of whether the motor drives a fan, pump, or compressor, a few basics are necessary to ensure a proper installation. Drive motors, vibration testing, bad bearings printing. Our horizontal mill can lift up to 10,000lbs, turn it upside down and cut or drill the item in its grip, with cnc accuracy, repeatability, and time efficiency. The most important thing is to maintain the uptime of electrical equipment and significantly reduce both planned and unplanned downtime.
Authorized warranty service, testing, repair and rewinds for your electric motors, generators and other rotating assets. Las vegas z learn tribal leadership to leverage natural groups and to build a thriving organization with dave logan keynote and short course map all workshops, short courses and case studies to the uptime elements a reliability system for asset performance management learn how to move from reactive maintenance to proactive. Testing of increased safety ht induction motor for hazardous. Motor reacceleration to improve process uptime abstract. C97034 november 1999 this research was performed for the northwest energy efficiency alliance between march 30, 1998 and may 31, 1999.
Uptime magazine issn 15570193 is published bimonthly by netexpress, inc. If 0to60 testing is impossible in your urban area, then testing various cars from 0 to 45 mph may be in order. Simple assessments are provided after each module that will test your. One way we support this mission is to suggest a reliability. Oftentimes, motors are returned to the shop by a customer for load and vibration testing when the vibration is caused by a compromised motor base. Uptime magazine is the magazine for maintenance reliability professionals. The mission of uptime magazine is to make maintenance reliability professionals and asset managers. These shops wouldnt be caught dead without a scan tool, an ignition scope, a cdbased information system, etc. Reacceleration schemes are designed to minimize process disruptions by rapid detection of supply loss, recovery. High resistance connections in breakers, fuses, contactors, motor lug connections, and other locations can cause voltage and current imbalances that are detrimental to motor performance, and if left uncorrected, may result in premature motor failure. Aug 18, 2016 las vegas, nv and fort myers, fl prweb august 18, 2016 announced the call for papers for iocm2017, the internet of condition monitoring symposium to be collocated with the reliability conference, april 2428, 2016 in las vegas, nevada. The plug reversal testing does not detect all pos sible failure modes by which a motor can fail in its application.
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