IEEE Unapproved Draft Std P433/D15 Sept 2009
Draft Recommeded Practice for Insulation Testing of AC Electric Machinery with High Voltage at Very Low Frequency

Standard No.

IEEE Unapproved Draft Std P433/D15 Sept 2009

Release Date

2023

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Scope

This recommended practice describes very low frequency (VLF) withstand and diagnostic tests that are performed on the stator windings of ac electric machines