In some cases test data showed a drop in core loss after rewind. Model repair specifications for low voltage induction motors. When your facility has filled out 600 cards, return the copies to easa. Electrical apparatus service association easa association of electrical and mechanical trades aemt.
This book is available as a free download see link below or printed copies can be. The wide variety of industryspecific training pools more than 100 years of rotating equipment knowledge from easa s technical support staff. However, with dc permanent magnet motors, i know the number of turns determine speed. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. How to navigate the included motor rewind database is covered in the video. Therefore the number of turns is proportional to speed. Helping our members with engineering support and education for all aspects of repair and maintenance of electric motors, drives, gearboxes, transformers, controls, pumps and other rotating industrial equipment. Traverse master is a fully integrated software solution for apparatus repair shops that combines job cost, inventory, and distribution with complete accounting functionality to help manage bottomline performance. Our hive of industry, located in kingston jamaica, is a modern purposebuilt facility designed to adhere to the standards and guarantees of the electrical apparatus service association, inc. Upcoming seminars and webinars offered by easa s technical support specialists.
Helping our members with engineering support and education for all aspects of repair and maintenance of electric motors, drives, gearboxes, transformers, controls, pumps. The effect of repairrewinding on motor efficiency easa. Plant engineering a systematic approach to ac motor repair. Stones motor rewind service is a family owned company serving the public and private sectors for over 20 years.
Using the motor data calculator mobile app schneider. Repair rewinding on motor efficiency easa membership not required. Aemt easa rewind study and good practice guide illustrates that when performed properly. Technical documents the effect of repair rewinding on motor efficiency.
Using the motor data calculator mobile app schneider electric support. A systematic approach to ac motor repair ansi easa ar100 provides best practices for mechanical repair, electrical repair including rewinding, and testing that help apparatus rebuilders maintain or enhance the performance, reliability, and energy efficiency of ac and dc motors and generators. This makes it the perfect program to lookup motor data, to verify existing winding data, and to perform motor. This version of the easa motor rewind database software takes a large leap forward with the data that it provides members. With thousands of motor and generator rewinds completed, ward leonard is a rewind specialist that has direct relationships with many of the worlds most installed manufacturers that provide us with their exact factory winding data including cummins, kato. Includes the easa motor rewind database with more than 250,000 reported. Our field service of your rotating machinery is a critical and requires safe, competent, and welltrained technicians equipped and ready to respond the moment you call. The easa aemt study confirmed, however, that testing the core with the loop test or a commercial tester before and after winding removal can detect increased losses caused by burning out and cleaning the core. Identification materials promotional materials engineering. Based on a joint study by easa and the association of electrical and mechanical trades aemt of the united kingdom, this publication concludes that using best repair rewind practices maintains motor efficiency. Regulation eu 201819 of the european parliament and of the council of 4 july 2018 on common rules in the field of civil aviation and establishing a european union aviation safety agency, and amending regulations ec no 21112005, ec no 10082008, eu no 9962010, eu no 3762014 and directives 201430eu and 201453eu of the european parliament and.
The easa motor winding redesign data sheet that is attached was made using zlatkodos winding data. In this instructables i will show you, how to rewind and renovate old electric single phase electric motor. Easa aemt rewind studysgood practice guide download both free at. Note easa considerations leading to the decision not to take ad action similar to federal aviation administration faa ad 20192401. This change information makes all the changes that were introduced after the last amendment of the amcgm to part 21 visible. Effect of repair rewinding on motor efficiency 2003, electrical apparatus service association, inc. Methods for threephase winding data verification easa. Send motor data to easa using the ac motor verification. Shermco specializes in onsite motor and generator inspection, testing, and reconditioning. Here are some of the things a designer needs to know in order to make an accurate winding calculation. The easa technical manual is available to all easa members as a free download in both english and german at.
Before getting into specific tips on using the easa motor rewind data on cdrom, lets start out with the most common question regarding the installation. In this episode of the easa learning series youll see for yourself why going with the lowest bid can cost you. The easa safety publications publishing tool offers a complete list of airworthiness directives that have been issued or approved by easa since 28092003. How to calculate winding data of a motor for particular hp. Easa accredited rewind easa learning series episode. This version of the easa motor rewind database software takes a large leap forward with the data. Our state of the art repair processes and quality program is centers based on the ansi easa ar100 standard.
Nor is motor efficiency reduced through multiple repairsrewinds. This video explains how to navigate easa s motor rewind data ver. Our acs software division are the worldrecognized experts in electrical apparatus and electric motor repair software. Larons motor repair facility is both easa accredited as well as certified by skf. This data should be checked to either the easa winding data verification program. However, i do not believe that zlatkodos form is a computer generated calculation sheet from the same program as mine. The effect of repairrewinding on motor efficiency easaaemt. When it comes to rewinding electric motors, it is critical you understand the. The data from motor winding database records can be sent directly to the redesign program, to be used when actual. I dont know of any stardard data, each motor is unique to its own manufacturer.
This video explains how to navigate easas motor rewind data ver. The redesign report with original and new winding data is output as an adobe. Easa boasts a comprehensive variety of motor data, with data on 260,000 motors including measures, drawings and internal connection diagrams. His looks like a an empty form or maybe a database that someone entered data into. A recent study by easa and aemt found that when electric motors were. Part21 proportionality introduction of proportionality and simplification of airworthiness and environmental certification regulations for small aircraft. Easa aemt study of motor repair impact on efficiency.
Ac motor redesign resource library easa the electro. The version takes a large leap forward with the data. The first copy of this software is free to active and allied members. Easa core loss standards the effect of repair rewinding on motor efficiency 3. Easa western canada is a chapter of easa international electrical apparatus service association our mission. Stones motor rewind service specialists in rewinding. This makes it the perfect program to lookup motor data, to verify existing winding data, and to perform motor winding redesigns.
This latest version of the easa motor winding database is the perfect tool to find motor winding data quickly. Most notably, it now has the ability to connect to a live, everexpanding online database of more than 250,000 windings. Part 21 airworthiness and environmental certification easa. Electric motor rewinding heco all systems go heco inc. As jobs come in for repair, you record the data as usual, keeping one copy and sending the other to easa s rewind data file. If it is known that the winding in the motor was original and there is certainty that the asfound. Easas ac motor redesign manual explains how to make all possible. Changes to operational suitability data osd amcgm part21 issue 2, amendment 5.
If you are searching for rewinding of one phase motor you can find it here. Key insights into the motor manufacturers view of easa members. The motor winding database is an easa member benefit and a powerful tool for verifying suspicious or missing motor winding data. Download a helpful guide to resources on the easa website. Houghton international specialises in electric motor rewinds and our engineers are.
Tutorial for using the motor data calculator mobile app available for ios and android devices. Electric motor rewind service houghton international. Model repair specifications for low voltage induction motors these model repair specifications are intended to cover routine repair and rewind of lowvoltage randomwound threephase ac squirrel cage induction motors. Learn the huge economic benefit of an easa accredited rewind over a low bid rewind. This publication is available for free download in the resources section at. Hello everyone, i am niko and, in this instructables i will show you, how to rewind and renew old three phase electric motor. I consent to my submitted data being collected and stored by. The effect of repair rewinding on motor efficiency. This valuable resource is available only to easa members. Electric motors brochure download electro mechanical services showcase. Motors repaired under this method have been proven. Easa s online technical manual is available for easa members in a searchable and digital book format with additional access to educational reports and manuals helpful to your business.