What is the impact of heat dissipation medium on temperature_Wolong Nanyang Explosion-proof Motor, China Motor Manufacturer

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What is the impact of heat dissipation medium on temperature

source：未知 time：2024-09-14 09:14nbsp; click：

Temperature rise is a very critical performance indicator of motor products. When the temperature rise of the motor is high, on the one hand, it will affect the surrounding environment, and on the other hand, it is directly related to its efficiency level. The temperature rise of high-efficiency motors is very low, which is also one of the bases for motor users to initially determine whether the motor is efficient. The factors that determine the temperature rise level of the motor mainly include the current density of the winding conductor, the conductor material, the heat dissipation medium of the motor body, and the surrounding environment of the motor. In order to achieve a higher efficiency level, most motor manufacturers use copper conductors as winding materials, and control the conductor compliance of the electromagnetic wire through necessary testing methods; in the product design, material procurement and application stages, as long as the consistency of the conductor and the design can be guaranteed, the heating level of the conductor itself is relatively fixed. In the production and manufacturing stage of motor windings, insulation treatment is a particularly critical processing technology. How to ensure the temperature rise level of the product through the varnish dipping and curing process is crucial. Pre-baking, varnish dipping and heating curing in the insulation treatment process are the key to quality control for any motor manufacturer, that is, through the penetration and maintenance of insulating varnish the winding is manufactured into a solid whole to ensure that the heat energy generated during the operation of the motor can be transferred away without obstacles.

In the matching relationship between the stator core and the base of the motor, necessary means should be used to ensure that the two are as close as possible, reduce and eliminate the air gap between them. The purpose is to ensure the coaxiality of the two on the one hand, and on the other hand, a very critical factor is to improve the heat dissipation conditions during the operation of the motor. For this reason, most motor manufacturers and repair units use VIP vacuum varnishing, rotary oven and other equipment in the insulation treatment of the winding. For motors with different structures, the stator core is only partially in contact with the base, and its heat dissipation path includes other media such as air. The heat dissipation effect is worse, and only necessary assistance or intervention can be performed through the air guide system. The application environment of the motor also directly affects its heat dissipation level. If the ambient temperature is high, the temperature of the motor winding will be high at the same temperature rise level, which directly affects its reliability; for plateau environments, due to the thin air, this important heat dissipation medium is insufficient, which will also cause the motor temperature to rise. Therefore, the reliability of the motor is not only related to the design level, but also closely related to the production process and application environment. How to fully understand and master the elements of the entire life cycle of the motor is a necessary factor for its reliable operation.
low voltage electric motor, Ex motor, Motor manufacturers in China, three phase induction motor, Wolong Nanyang Explosion Protection

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