电力牵引负荷在电力系统中的分布计算宜采用三相分析法。
The three-phase analysis method should be applied for the distribution calculation of electrical traction load in the electrical system.
牵引负荷的谐波有幅值变化大、相位离散并且其均值与最大值偏离较大的特点。
The electrical traction harmonics have some unique features such as large amplitude range, phase dispersion and severe deviation of the maximum.
电气化铁道牵引负荷是大宗的工业用电部门,因此它是电力系统重要的电能污染源。
Electrified railway's traction load is usually the big consumer for the electric power system, so electrified railway's traction load is the main power quality pollution source.
因此,通过研究牵引负荷得到建立牵引变压器典型负荷曲线的方法具有重要的意义。
So the method of making the typical load curve of traction transformer is great significant.
针对电气化铁路变电所功率因数低,不能满足剧烈变化的牵引负荷对无功补偿要求的现状。
The power factor for the railway substation of the electrified railway is low and can not meet the conditions of severe tractive load to reactive compensation requirements.
该检测系统能够满足机车中修后不上线即可进行牵引负荷试验的要求,并能够查找机车故障,调整标定参数。
With the detection system, traction load test not on the line is possible for the locomotive after mid-haul, and locomotive faults could be located as well that nominal parameters could be adjusted.
另一方面,现代配电网上用于冶炼的电弧炉和铁路牵引机车等波动性负荷,会使电网电压频繁波动,造成电压闪变。
On the other hand, because of the fluctuating load, such as arc furnace and railway traction locomotive, the voltage of the network will frequently fluctuate and lead to voltage flash.
动车组电气负荷建模对牵引供电系统的设计以及电能质量相关问题的评估具有重要意义。
It is significant in design of traction power supply systems and evaluation of relative power quality problems to build a proper electric load model for the electric multiple units (EMU).
第四十四条电力主管部门应当保证铁路牵引用电以及铁路运营用电中重要负荷的电力供应。
Article 44 the competent department in charge of electric power shall guarantee the power supply for railway traction and critical loads arising in railway operation.
加载系统是工程机械多功能试验台作为负荷车对工程车辆牵引性能进行测试的核心系统。
Loading system is the core system of multi - functional engineering machinery as load vehicle to test traction performance of construction vehicle.
在评价牵引变压器的过负荷能力时,所选择的典型负荷曲线必须合理,使之能够正确反映线路的牵引变压器运行状况。
The typical load curve which is selected for evaluating the overload ability of traction transformer must be reasonable, it should reflect accurately the operation status of traction transformer.
该模型可模拟计算机车柴油机的负荷特性、速度特性和牵引特性。
This model may be used to simulate the load-characteristics, the speed-characteristics and the tractive-characteristics of a locomotive diesel.
系统采用拉式负荷传感器检测牵引力度,用电容运转式异步电机及其配套装置来控制牵引力度。
This system employs the pulling force sensors to detect traction force and USES capacitance running asynchronism motor with other parts to control traction force.
研究结果表明牵引冲击性负荷对变压器绝缘寿命损失影响很大,不容忽视。
Test results show that the traction loads seriously affect insulation aging and loss-of-life of the traction transformer, which should by no means be overlooked.
表明小型轮式拖拉机叶轮与胶轮并装可提高旱地作业,特别是重负荷作业时的牵引附着性能。
So small tractors fitted with iron wheel with lugs can improve tractive and appendiculate performance of tractor in dry land.
对于牵引网的单相性以及实现两臂负荷有功功率的流通,采用了改进型的单相补偿电流检测方法;
For the simple-phase feature of traction grid and the active power circulating between the two arms, an improved method of simple-phase compensating current detecting is used.
钢芯钢丝绳的主要用途:各种起重、提升和牵引设备,金属绳芯适用于负荷、受热和受挤压条件下,例如:电铲。
Main Appplications:Various eqmuipment for derricking, lifting and drawing; the rope with wire core can be used under the shock load, heated and squeezed conditions such as electric shares.
轮式拖拉机特别是小型轮式拖拉机在田地进行重负荷作业时,牵引附着性能差,驱动轮滑转严重,造成牵引效率低、油耗大是普遍现象。
Wheel tractors, especially small wheel tractors have some well-known disadvantages such as poor traction performance, driving wheel slipping, low traction efficiency and high fuel consumption.
研究结果证明,该牵引馈线负荷概率模型可准确描述牵引馈线有功功率和无功功率的统计特性。
The proposed traction feeder load probability model can be used to describe the statistical characteristics of the active and reactive power of the traction feeder accurately.
牵引架为Y字型实心梁结构,能承受更大的负荷。
The Y-frame drawbar is constructed from two solid beams that can bear more loads.
仿真结果表明,该软件计算结果准确可信,适用于高速、重载电气化铁道牵引供电系统负荷过程仿真。
The simulation results indicate that the calculation results of this software are accurate and believable. This software could be applied to high-speed, heavy-haul electrified railway.
仿真结果表明,该软件计算结果准确可信,适用于高速、重载电气化铁道牵引供电系统负荷过程仿真。
The simulation results indicate that the calculation results of this software are accurate and believable. This software could be applied to high-speed, heavy-haul electrified railway.
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