APPARATUS FOR CONTROLLING DURATION OF CONTACT OF ROLLING ELEMENTS OF BEARING ASSEMBLY OF ELECTRICAL MACHINE Russian patent published in 2014 - IPC H02K15/00 G01R31/34 H02K7/08 

FIELD: electricity.

SUBSTANCE: control apparatus includes a controlled stabilised direct current source (1), a switch (2), a controlled resistor (3), a first amplifier (4), a second amplifier (5), a comparator (6), an inverter (7), a first AND circuit (8), a multivibrator (9), a second AND circuit (10), a first counter (11), a second counter (12), a first register (13), a second register (14), a computer (15), a resistance metre (16), the inspected electrical machine (17), an angular position sensor (18), a reducing gear (19), an electric motor (20), a control unit (21), consisting of the following elements: a T flip-flop (22), a third AND circuit (23), a relay (24) with a coil (25) and a normally closed contact (26), a second power supply (27) and a START toggle switch (28).

EFFECT: high reliability and accuracy of controlling the bearing assembly and the electrical machine as a whole.

2 cl, 2 dwg