1) High starting torque
![点击朗读](/dictall/images/read.gif)
高起动转矩
1.
This method can make the motors started with high starting torque and small starting current.
介绍了一种采用分级交~交变频方法的交流电机软起动器的原理和实现,它能使电机以高起动转矩和小的起动电流平滑地起动。
2) starting torque
![点击朗读](/dictall/images/read.gif)
起动转矩
1.
Set up the inertia fly wheel on pump unit and check calculati on starting torque of motor;
水泵机组增设惯性飞轮与电动机起动转矩复核
2.
To increase the starting torque and impress the initial current is a bottleneck in high power adjustable speed drive system.
由于半导体器件电流耐量的掣肘,在起动之前通过预励磁方案有效建立起电机内部磁场以减小起动电流、增加起动转矩就成为提高起动性能的行之有效的方法。
3.
Based on the electro-technology theory,this study defines the ratio of maximum torque Tm to starting torque Tst as the starting modulusλst,and reaches a conclusion that X20 can be calculated by using the rotor phase resistance r2 and the starting modulus A,,.
针对异步电动机转子相电阻r2容易测量,而转子相感抗X20不易测得,且尚无计算X20关系式的现状,以电工理论为基础,定义电机最大转矩Tm和起动转矩Tst的比值为启动系数λst,分析得出了用转子相电阻r2和启动系数λst计算X20的公式。
3) start torque
![点击朗读](/dictall/images/read.gif)
起动转矩
1.
By analyzing the start torque,start current,and start voltage,we derived formulas to calculate the needed minimum area of cable and to calculate the maximum length of cable at certain area of cable for normally starting the motor.
通过对潜水电泵起动转矩、起动电流、起动电压的分析、计算,推导出远距离连接后能正常起动所需电缆许用最小面积的计算公式,并用一些经验值代入后得到一个实用的算式,在电缆面积给定的情况下计算出允许连接的最大长度。
4) Start-up of constant torque
![点击朗读](/dictall/images/read.gif)
恒转矩起动
5) cranking torque
![点击朗读](/dictall/images/read.gif)
起动转扭矩
6) breakaway torque
![点击朗读](/dictall/images/read.gif)
最小起动转矩;起步转矩
补充资料:起动转矩
电动机起动时在其轴上产生的机械转矩。机械设备不同,对起动转矩的要求也不同,在选择电动机时应加考虑。起动转矩常大于电动机的额定转矩。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条