Transcription of Squirrel Cage Rotor Testing
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Squirrel Cage Rotor Testing
San CageRotor TestingEASA Convention 2003 Moscone Convention CenterSan Francisco, CAJune 30, 2003 Presented byTom BishopTechnical Support SpecialistElectrical Apparatus Service Association, Louis, MO1 Squirrel cage Rotor TESTINGByTom BishopTechnical Support SpecialistElectrical Apparatus Service Association, Louis, MOINTRODUCTIOND etermining whether or not a Squirrel cage Rotor is de-fective is an issue that is a challenge to every servicecenter as there is often no simple way to determine theintegrity of a Rotor . There are a wide variety of Rotor teststhat can be applied both in the service center and at theend user site that can aid in assessing Rotor , there are tests that can be performed with themotor assembled, and others that require main purpose of the information that will be pre-sented here is to describe many of the available teststhat can be utilized under these different addition to conventional Squirrel cage Rotor testingmethods such as the growler test, also covered will betechniques such as the use of a core loss tester, highcurrent excitation, and spectrum analysis of (Figure 1), with the bar
1 SQUIRREL CAGE ROTOR TESTING By Tom Bishop Technical Support Specialist Electrical Apparatus Service Association, Inc. St. Louis, MO INTRODUCTION Determining whether or …
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