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See Chinese contents: GB/T 22719.1-2008 GB/T 22719.1-2008: Interturn insulation of random-wound winding for AC low-voltage electrical machines -- Part 1: Test methods
This Part of GB/T 22719 specifies the test method - interturn insulation test of random-wound winding for AC motor. This Part applies to random-wound winding interturn insulation test for the 3-phase or single-phase AC electrical machines of which the nominal voltage is no more than 1140V.
