The new approach, which checks differential protection connection using electromotor starting current, is simple and reliable, and easy to be coordinated with installation schedule.
而利用电动机启动电流检验差动保护接线的新方法,简便可靠,容易与现场安装施工进度相协调。
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。
Through the detection of the stator current, the control can confine the starting current within the allowable range.
控制器通过监测电机定子电流的大小,将其起动电流控制在允许的范围内。
It has many advantages such as small starting current, heavy starting torque, stable starting running and good control effect.
该方法具有启动电流小、启动转矩大、启动平滑、运行稳定、控制效果好的特点。
Based on the analysis of the equation and condition, the starting current velocity formula about the pill sediment is further proved.
通过该方程与水沙条件的分析,进一步验证了散粒体泥沙起动的流速公式。
Its hydraulic medium temperature control, gas exhaust flow, starting current control and so on are improved.
在液压介质温度控制、排气流程、降低起动电流等方面进行了改进。
An anti-reverse rotation device prevents the pump from turning backwards which would increase core bypass flow and pump starting current.
止逆装置用于防止泵反转,反转将导致堆芯旁通流量增加和泵启动电流增加。
Furthermore, we established a linear theory of the non-uniform slow wave structures and formulated the expression of the starting current.
进而建立了非均匀波纹慢波结构返波管的线性理论,给出非均匀慢波结构返波管中起振电流的计算表达式。
The results show that the soft starter could start up smoothly and reliably, and the starting current of the asynchronous motor is controlled.
结果表明,该软起动器在软起动过程中,限制了电动机的起动电流,实现了电动机的平稳起动。
The biggest starting current unit for rated current operation unit nearly 1.5 times, which reduces the unit to start the impact of the power grid.
机组的最大启动电流近为机组额定运行电流的1.5倍,从而降低了机组启动对电网的冲击。
The design of the filter circuit, starting current check circuit and switching surge absorption-protection circuit in an auxiliary circuit of PFC is analyzed.
对功率因数校正器辅助电路中的滤波电路设计、起动电流抑制电路的设计和开关的浪涌吸收保护电路的设计进行了分析。
Apart from this, it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles.
对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。
Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.
短路故障模型的仿真结果表明机车起动电流和远端短路电流的相似会对直流馈线保护造成影响。
And the formulas of electron beam to wave interaction power, frequency shift, starting current and etc. are derived. Then some discussions and analyses are carried out in detail.
推出了电子注与波的互作用功率、频偏和起振电流等公式,并进行了详细的讨论和分析。
The nearby fault can be cleared immediately while the distant fault can be cleared with a delay by using the proposed method which will not be influenced by the starting current of trains.
该方法有效地避开了列车启动电流的影响,不但可以迅速切除近端的短路故障,而且通过延时跳闸还可以切除远端短路故障。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
对交流调压电路进行了进一步的研究,利用起动电流信号作为反馈量,对三相感应电动机软起动控制系统进行闭环控制。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
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