When the flux must be reduced, however, power must be applied just to lower the field so that PM motors at high speed need some current even at no load.
当流量必须减少,但是,权力必须适用只是降低外地,这样下午电机在高速需要一些目前,即使在无负载。
Plots the torque speed curve and power curves for given values of stall torque and no load speed.
绘制给定失速扭矩和空载速度时的力矩曲线和功率曲线,不含负荷转速。
With the pressure machine load rate below 25%, air compressor no-load running power consumption need not, and can be directly downtime, energy consumption will be zero.
当空压机负载率低于25%时,空压机不需要空载运行消耗电能,而可直接停机,将能耗降为零。
Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.
通过对三相异步电动机空载实验中遇见的故障——三相相间功率的极大不对称性进行分析。
To achieve the standby mode system operations, the Tinyswitch flyback converter which features low no-load loss is used for the auxiliary power circuit.
在辅助电源方面,采用低空载损耗之返驰式转换器架构,提供待机模式下所需之系统电源。
This power does no useful work in the electrical load nor does it present load to the engine. It does apply load to the generator and limits the capacity of the generator.
它并没做有用功,而且也不是发动机的负载,但是作为发电机负载,限制了发电机的容量。
This paper aims at the analysis of the operating modes at the two special working points:the no load point and the zero power loading point, during testing the synchronous electric machine.
对同步电机试验中的空载点和零功率负载点两个特殊工作点的运行情况进行分析。
Important function is played by identification of engine no-load mode in simulation of power transmission system, starting and automatic shifting control of motor vehicle.
发动机空载工况的辨识在车辆动力传动系统仿真和车辆的起步、换档自动控制中起着重要的作用。
Its main transformer is made of imported cold rolled silicon steel, So its power loss is little with low no-load current.
该系列点焊机,主变压器均为进口冷轨硅钢片,因此,主变压器功耗小,各型空载电流小。
And adopting the optimization design, high conductivity, the electromagnetic material production equipment in no-load loss low power output, more powerful, and stability, long service life.
并采用优化设计、高导电磁材料制作,致使设备在空载时损耗低、功率输出更强劲、稳定、寿命更长。
Note: The power supply shall be test at max AC voltage (270Vac) and min load or no load.
应该在最大交流输入电压270伏和轻载,空载下测试。
The improvement of no-load voltage waveform is an important problem for design optimization of generators and ensuring the quality of electric power.
改善空载电压波形是发电机优化设计、保证电能质量的重要问题。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
变压器的空载试验中,由于功率因数低,空载电流不是正弦信号,高精度测量其有功功率具有一定的难度。
Based on the results of no load and load test, the paper studies the analysis and judgment methods of power transformer faults, and gives some field examples.
介绍根据空载试验及负载试验结果分析判断变压器故障的方法,并给出若干实例。
This paper mainly discusses the two operating points for the test of synchronous machines, no-load point and zero power loading point.
本文主要对同步电机试验中的空载点和零功率负载点两个特殊工作点的运行工况进行了分析。
This article introduces a new design plan of soft switch invert welding power source, which can almost get in soft switch state under no-load, short circuit or load.
提出了一种新的软开关逆变弧焊电源的设计方案,该方案基本上可实现空载、短路、燃弧全负载范围内的软开关状态。
Then control strategy of microgrid-connection with no load is formulated to realize flexible grid-connection of wind power system.
制定双馈风力发电机空载并联微电网的控制策略,实现风力发电系统柔性并网控制;
In this paper, the sources of error in no-load engine power testing are analyzed. Two methods to reduce the errors are put forward, based on the investigation of actual test data.
分析了无外载测功法中的主要误差来源,在对实测数据分析研究的基础上,提出了两种提高精度的方法。
It can improve the power factor of the motor when it is under low load or no load running.
能提高电动机在轻载或空载时的功率因素。
Note: brake lag time of the DC power supply cut is no-load brake lag time.
注:空载制动时间为直流侧切断制动器电源的制动时间。
The no-load closing as one of the most common operations to transformer, its transient processes will bring more and more serious influences to power system with the number of operations increases.
空载合闸作为变压器最常见的操作之一,随着操作次数的增多,其暂态过程也将给电力系统带来越来越严重的影响。
This paper introduced the construction and working principle of Single-cylinder Electric Power Confined Piston Engine, and studied the No-load characteristic on theory and experiment.
本文介绍了单缸电力约束活塞发动机的结构及工作机理,并对其空载特性进行了理论和试验研究。
Two practical methods are introduced to renovate the power transformer with no-load tap changer into that with on-load one.
配置有载调压的变压器在有载调压开关出现异常时,为抑制恶化趋势,避免突发故障,采取了减少调压开关动作次数的措施。
Two practical methods are introduced to renovate the power transformer with no-load tap changer into that with on-load one.
配置有载调压的变压器在有载调压开关出现异常时,为抑制恶化趋势,避免突发故障,采取了减少调压开关动作次数的措施。
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