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变极多速电机在国内已有多家研制,但要依据冷却塔的使用特点及要求,研制冷却塔用变极双速(或多速)低噪声电机在国内尚属起步。本文重点介绍YDDL系列冷却塔专用低噪声双速电机的研制及应用。
Pole-changing multi-speed motors have been developed in China, but based on the characteristics and requirements of the cooling tower, the development of cooling towers with variable-pole two-speed (or multi-speed) low noise motor is still in the country. This article focuses on the YDDL series cooling tower dedicated low-noise two-speed motor development and application.