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问题
直流发电机的电磁转矩起制动作用。()
9 查阅
直流发电机的电磁转矩起制动作用。()
A.正确
B.错误
点击查看答案
参考答案:
答案:正确
Ta老师搜题
相关问题:
机床的刀架平移、电车在平路上行驶这类负载属于反抗性恒转矩负载。
起重机、电动葫芦等拖动的重物属于位能性恒转矩负载。
直流电动机的倒拉反转制动运行适用于所有的恒转矩负载。()
机床的刀架平移、电车在平路上行驶这类负载属于反抗性恒转矩负载。()
一台他励直流电动机拖动恒转矩负载,当电枢电压降低时,电枢电流和转速将()。
一台并励直流电动机,原来励磁电流If=0.5A,电枢电流Ia=40A,现保持电磁转矩
他励直流电动机带反抗性恒转矩负载采用电枢电压反接制动时,电机最后可能
电磁离合器工作原理:它是利用()和()原理在两个作旋转运动的物体间传递转矩的
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