ASYNCHRONOUS ELECTRIC MOTOR WITH PHASE ROTOR Russian patent published in 2024 - IPC H02P1/26 H02P1/04 H02P23/14 

Abstract RU 2828482 C1

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electrical engineering, in particular to an asynchronous electric motor with a phase rotor. Asynchronous electric motor with phase rotor comprises stator, first, second and third phase windings of rotor, first outputs of which are connected according to “star” circuit. On the rotor there is an optocoupler, a starting resistor, a ballast resistor, the first, second and third diodes. In addition, a fully controlled semiconductor key element is introduced, which is equipped with an anti-parallel diode, a pulling resistor, a microcontroller and a wireless communication module. To the corresponding contacts of the microcontroller, the contacts of the wireless communication module, the photodetector of the optron and the gate of the fully controlled semiconductor key element are connected, the collector of which is connected to the common point of the cathodes of the first, second, third diodes and the first output of the starting resistor, the emitter is connected to the common point of the first outputs of the first, second, third phase windings of the rotor and the second output of the starting resistor, and the gate is connected to the output of the pulling resistor.

EFFECT: providing the possibility of smooth contactless start with gradual increase of electric motor rotation frequency, contactless starts not only by “jerk”, but also smoothly, gradually increasing its rotation frequency.

1 cl, 1 dwg

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RU 2 828 482 C1

Authors

Rosliakov Rostislav Olegovich

Kandakov Mikhail

Dates

2024-10-14Published

2024-04-24Filed