High-voltage high-efficiency motor above 3kv high thermal conductivity insulation structure

Abstract

The invention relates to a high thermal conductivity insulation structure of a high-voltage and highly-efficient motor over 3kV. The insulation structure comprises a stator iron core, a stator coil, a slot wedge and a motor insulation paper, which are arranged in the high-voltage motor. The stator iron core is of a high thermal conductivity composite insulation paste dipping insulation structure. The motor insulation paper is made of high thermal conductivity composite insulation paper. The slot wedge is made of high thermal conductivity slot mud filling insulation structure. Linear parts and end wire parts of the stator coil are made of high thermal conductivity insulation wrapping belts which are of continuous multi-layer wrapping structures. According to the invention, the high thermal conductivity insulation paste, the high thermal conductivity slot mud fillers and the high thermal conductivity insulation wrapping belts are arranged in a winding stator iron core of a high voltage motor, thermal conducting performance of an insulation structure of the high voltage motor is effectively improved; the thermal conducting coefficient of the high voltage motor can be increased to 0.4W / DEG C m from 0.16 W / DEG C m; the motor efficiency is increased by 1%-3%; the temperature rise of the motor is reduced by 8K; working stability and reliability of the motor are improved; and service lifetime of the motor is extended.

Description

technical field [0001] The invention belongs to the technical field of motor equipment, and relates to a high-voltage high-efficiency motor with a level above 3kV and a high thermal conductivity insulation structure. Background technique [0002] At present, domestic high-voltage motors are developing toward high efficiency. In order to achieve high-efficiency, miniaturized and low-cost high-voltage motors, it is necessary to improve the heat dissipation performance of the motor. However, it is necessary to improve the heat dissipation performance of the motor and to achieve a certain level of efficiency. Restricted by many aspects, especially the insulation system of the motor is restricted by electromagnetic aspects and raw materials. Usually, the efficiency of the motor increases, and the temperature of the motor increases. This is because the electrical insulation acts as a thermal barrier during the operation of the motor, which will prevent the heat from dissipating to...

AI Technical Summary

Problems solved by technology

However, the insulation structure of the existing high-voltage motors does not meet the requirements of high-efficiency motors, so it is difficult to achieve the purpose of improving the efficiency and reducing the temperature rise of high-voltage motors

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