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本文分析了目前纺织厂通风机可控硅串级调速四种主电路方案的特点、效率和谐波等情况。通过分析和比较,提出了一种适合纺织厂通风机推广应用的简易型可控硅串级调速方案。
This paper analyzes the characteristics of the four main circuit schemes of the SCR fan cascade speed control, efficiency and harmonics. Through analysis and comparison, a simple type cascade speed control scheme suitable for the promotion and application of textile fan was proposed.