FIELD: measuring equipment.
SUBSTANCE: invention relates to electrical measuring equipment, in particular to insulation quality control devices, and can be used in means for diagnosing the state of insulation of an induction motor with squirrel-cage rotor. Device comprises microcontroller 1, comprising a pulse-width modulator, an analog comparator and an analogue-to-digital converter, voltage divider 2, controlled reference voltage source 3, controlled switch 4, USART/USB interfaces converter 5, constant voltage source 6, diagnosed motor winding 7, switch 8, reference inductor 9, semiconductor diode 10, capacitor 11, computer 12, resistive adder 13 of current, keyboard 14 and current sensor 15.
EFFECT: broader functional capabilities.
3 cl, 1 dwg
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