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  • IEEE 433-2022

IEEE 433-2022

IEEE Recommended Practice for Insulation Testing of AC Electric Machinery with High Voltage Rating up to 30 kV at Very Low Frequency

IEEE, 08/24/2022

Publisher: IEEE

File Format: PDF

$28.00$56.00


Published:24/08/2022

Pages:30

File Size:1 file , 2.6 MB

Note:This product is unavailable in Russia, Ukraine, Belarus

This document describes very low frequency (VLF) testing of ac electric machines. It covers acceptance testing of new machines in the factory or on-site after erection. Also covered is the routine maintenance testing of machines that have been in service. In order to facilitate communication and comparison among investigators, this document recommends that the VLF used be 0.1 Hz ±10%. For ac electric machines, voltages between 3.3 kV to 30 kV are considered to be high voltage machines.

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