Electric Motor Testing Procedure Pdf

Pump motor or a short control cable may be vital to a process in your plant.

Electric motor testing procedure pdf.

With the motor at normal operating temperature the vibration velocity shall not exceed 2 8 mm s rms or 4 mm s peak in any direction. 3 phase motor testing procedure the patriot mill turn and turnado machines are equipped with 3 phase motors. You should make these periodic tests in the same way each time. Testing electric motors doesn t have to be a mystery.

In order to properly test the motor you must remove. Similarly the range of ammeter and voltmeter during blocked rotor test 10a 250v. Esting and commissioning procedure for motors photo by teco middle east tme the measurements shall be carried out with an instrument conforming to iso 2954 10 1000 hz frequency range. That is with the same test connections and with the same test voltage applied for the same length of time.

Each motor has 3 separate windings. For motors 25 hp or greater record motor vibration measurements in accordance with the test equipment manufacturer s instruction manual. So when a motor fails to operate it may not be obvious what the problem is. The windings are marked with tags u 1 and u 2 v 1 and v 2 w 1 and w 2.

Ss95211 authorized licensed use limited to. Test to obtain more reliable values ranges of both wattmeter should be 10a 250v for blocked rotor test. In the running configuration the windings are joined with metal jumpers. Knowledge of the basics together with powerful new test equipment vastly simplifies the job.

Guide for the use of electric motor testing methods based on iec 60034 2 1 p ll determined from residual loss 8 2 2 5 1 in table 2 may 2011 version 1 1 document developed as part of the electric motor systems annex emsa task c testing centres under the iea implementing agreement for a co operating programme on. To obtain short circuit current and its power factor angle block rotor test is performed on the motor. 3 phase motor troubleshooting pdf 3 phase motor winding resistance values 3 phase testing procedure how to test a 3 phase motor with a megger how to test motor windings single phase motor insulation resistance test procedure motor megger test results types of motor testing. Experience is the best teacher in setting up the scheduled periods for your equipment.

Electric motors have had a reputation for being a mix of science and magic.