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jie xi fa qiu jie zui da zhuan ju bei shu
Author(s): 
Pages: 34-35
Year: Issue:  3
Journal: S&M Electric Machines

Keyword:  转矩倍数解析法三相异步电机圆图计算机求解准确度杂散损耗额定功率风摩耗人为误差;
Abstract: <正> 工程上常采用较准确圆图求取三相异步电机的最大转矩倍数,在绘制圆图时,会造成人为误差,影响最后结果。本文采用解析法推导出圆图上各点的坐标求值公式,并用计算机求解,既简单易行,又提高了准确度。一、计算所需数据 1.额定线电压UN和额定功率PN下的空载线电流IO和损耗PO。 2.满载时的风摩耗Pfw和杂散损耗PS
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