三相感应电动机的电压方程和等效电路
电动机将电能转换为机械能。
额定电流
$I = \frac{P}{\sqrt{3}U\cos\varphi\eta}$文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html
转速
$n = \frac{60f}{p}(1-s)$文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html
输出功率
$P_2 = \frac{T · n}{9550}$文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html
文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html
⚡ 同步转速 $n_s = 60f/p$。文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html 文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html文章源自公式库网-https://www.gongshiku.com/html/201808/sanxiangganyingdiandongjidedianyafangchenghedengxiaodianlu.html
