Motor winding and electronic power switch combination assembly capable of switching output state

Abstract

A motor winding and electronic power switch combination assembly capable of switching output state comprises a first winding, a first switch set, a second winding, a second switch set, a third winding, a third switch set and a mode control method, wherein the first winding is composed of a first upper haft winding and a first lower half winding, the first upper half winding and the first lower half winding are connected on a common connection point, the first switch set is provided with four electronic power switches and is connected with the first winding in an electric mode, the second winding is composed of a second upper half winding and a second lower half winding, the second upper half winding and the second lower half winding are connected on the common connection point, the second switch set is provided with four electronic power switches and is connected with the second winding in an electric mode, the third winding is composed of a third upper half winding and a third lower half winding, the third upper half winding and the third lower half winding are connected on the common connection point, the third switch set is provided with four electronic power switches and is connected with the third winding in an electric mode, the mode control method is used for controlling the power-on or power-off of the electronic power switches, and then an H type driving mode or a Y type driving mode is formed, and effect of output state switching is achieved.

Description

technical field [0001] The present invention is related to the driving technology of the motor, in particular to a combined assembly of the motor winding and the power electronic switch which can switch the output state. Background technique [0002] Known motor windings such as Figure 9 As shown, it is connected in a Y-shaped manner with three windings AW, BW, and CW. The three windings correspond to phase A, phase B, and phase C respectively, and through six power electronic switches T1, T2, T3, T4, The on and off states of T5 and T6 are used to change the current on each winding, thereby achieving the purpose of driving the three-phase motor. [0003] However, for the motor windings of the aforementioned Y-type connection mode, if the motor is expected to have a higher no-load speed when running, then its starting torque will be lower. On the contrary, if the driven motor has a higher starting torque, it will not be able to have too high No-load speed, so the motor's op...

AI Technical Summary

Problems solved by technology

[0003] However, for the motor windings of the aforementioned Y-type connection mode, if the motor is expected to have a higher no-load speed when running, its starting torque will be lower. On the contrary, if the driven motor has a higher starting torque, it will not be able to have too high No-load speed, so the motor's operating speed range is limited

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