Electric Motor Testing Standards

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.

Electric motor testing standards.

Listed below are some commonly used electrical standards and approved codes of practice. There are a few very often mentioned standards like the ieee43 and ieee95. Current global motor energy efficiency standards published all iec international electrotechnical commission standards can be purchased at www iec ch a preview of each standard on rotating electrical machines is available below including the table of contents foreword scope and normative references both in english and french. Ss95211 authorized licensed use limited to.

For the next few weeks we will be reviewing various standards associated with electric motor testing. Begin to check the bearings of the motor. Are you working with electric motors or there is the need to specify motors and you need to know what standard applies to what area of electric motors. Electric motor standards as defined by the iec and the harmonized european standard custom search.

Additional standards and codes of practice would generally be needed to satisfy a specific application it is the responsibility of the specifier to select and apply these. Ieee standard test procedure for polyphase induction motors and generators 3 park avenue new york ny 10016 5997 usa ieee power engineering society sponsored by the electric machinery committee 4 november 2004 print. The bearings allow the shaft or rotor assembly to turn freely and smoothly in the frame. Bearings are located at both ends of the motor which are sometimes called bell housings or end bells.

Electrical standards and approved codes of practice. The measurements shall be carried out with an instrument conforming to iso 2954 10 1000 hz frequency range. For bearings fitted with proximity probes the unfiltered peak to peak value of vibration including shaft run out at any load between no load. However there are other applicable standards worth knowing about where the mcemax technology can be utilized to assist in verifying motor acceptability to the standard.