Rotating electrical machines - Part 15: Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines
IEC 60034-15:2009 relates to a.c. machines incorporating form-wound stator coils and specifies the test procedures and voltages to be applied to the main and interturn insulation of sample coils. The changes of this new edition with respect to the previous one are as follows: - clarification of the title, - removal of the limitation on voltage, - additional definitions, - additional guidance.