三相四极36槽交流绕组,若希望尽可能削弱5次空间磁势谐波,绕组节距取( )。

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545373803793f5b203b9a1f44136bdbd97dfd09d1212image6.png">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15453738038703229ad44aaac4f9780704bdfae7eb5aaimage7.png">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545373803990932788a5d97744f98f392d13fe3198c7image8.png">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154537380406890b4e55d526a49908938705abc0f16a3image9.png">