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
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。
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。
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。
The product's features are high starting torque, high slip and low starting current.
这产品的特点为起动转矩大、差率高和起动电流小。
Research Torque Control Strategy of Switched Reluctance Motor ISAD
起动/发电/助力减振一体化系统用开关磁阻电机起动转矩控制研究
AC constant torque induction motor for cargo winch
起货用交流恒转矩感应电动机
Research on Startup Strategy of DTC Controlled Motor
异步电动机直接转矩控制起动方法的研究
Research of Multipolar Line-Start Low Speed and High Torque PMSM
多极自起动低速大转矩永磁同步电动机研究
The torque-limiting devices can be rapidly re-energized and boring started again.
限矩装置能迅速重新启动，钻又转起来了。
The Research on High Start Torque Softstarter with Speed Sensorless;
基于无速度传感器的高转矩软起动器的研究
Experiment on Torque Control Precision of ISG Motor System for Hybrid Electric Vehicle
混合动力车用起动/发电/发动机系统转矩控制精度试验研究
ISG Torque Control and Simulation Study Based on Engine Startup Performance for Mild Hybrid Electric Vehicle;
基于HEV发动机起动性能的ISG转矩控制与仿真研究
Research of the Soft Starter with Pump-control Function Based on All-digital Torque Measurement;
基于全数字转矩测量的带泵控制功能的软起动器研究
Suppression of Torque Ripples Caused by Current Back-EMF of Six-phase BLDCM
六相无刷直流电机反电势电流引起的转矩脉动抑制研究
ratio of running torque
转动力矩比-电位器的
hydromechanical drive rotary torque
液压-机械驱动转盘扭矩
Research on Torque Ripple Reduction of Three-Level Inverter in Direct Torque Control System;
三电平直接转矩控制减小转矩脉动PWM算法研究
Strategy to Decrease Torque Ripple in Asynchronous Motor Direct Torque Control
异步电机直接转矩控制转矩脉动抑制策略
Research on Torque Ripple Reduction of Direct Torque Control System Based on DSVM
基于DSVM的直接转矩控制系统转矩脉动减小研究
converter, torque (excl. those combined with a motor)
转矩变换器（与马达装在一起的除外）
rotational moment of steering gear
转向器空载转动力矩特性
