This paper deals with the parallel operation of several Numbers of PWM converters for a high power traction application.
讨论了大功率牵引用几个PWM变流器的并联运行。
The experiment results show that the time of the maximum power PTO shaft test and the maximum power traction test can be decreased from two hours to one hour.
试验结果表明，两小时最大功率动力输出轴试验和两小时最大功率牵引试验均可减少为1小时。
The topology and software module structure of Power Traction Operation Management Information System (PTO MIS) is proposed for its development. The application of ASP in PTO MIS is also discussed.
针对牵引供电运营MIS (PTO MIS)的设计，提出了它的网络拓扑结构和软件模块结构，同时对asp技术在牵引供电运营MIS中的应用进行了探讨。
For the direct power traction systems with full parallel connection, the characteristics of short-circuit impedance is analyzed with method of two symmetrical phases, and the expression is acquired.
对于全并联直接供电牵引网短路故障，采用两相对称分量法，分析电路特征，得到短路阻抗表达式。
With lifting, welding, mining, transport, concrete, steel traction, and other major construction machinery and equipment 417 Taiwan, to 13989.66 kilowatts of power.
拥有起重、焊接、挖掘、运输、混凝土、钢筋牵引等主要施工机械设备417台，总功率达到13989.66千瓦。
This ensures a firm traction and allows the power pack to be parked without tilting, when detached from the chair.
这保证了公司电力牵引，并允许在未包倾斜，从主持会议时脱离停泊。
Precise state of charge (SOC) of traction battery is a key factor for power distribution of HEV power system, total control of vehicle and cost reduction.
精确的动力电池剩余电量(SOC)是混合动力系统进行动力分配的重要依据，也是整车控制和降低使用成本的关键。
If one wheel has no traction, power will flow to that wheel and the other wheel will remain stationary.
因此，哪个车轮丧失牵引力，功率就会流向哪个车轮，而另一个车轮将保持静止。
Power supply for 9 railway traction substations has been resumed.
恢复了9座铁路牵引变电站的供电。
Power supply for 4 railway traction substations has been resumed.
恢复了4座铁路牵引变电站的供电。
Hence, a filter could be designed to increase power factor of traction substation and decrease the harmonic currents.
因此，合理设计滤波器，可使牵引变电站的功率因数及谐波同时满足要求。
They cover basic technical specifications, traction mode, power distribution method, braking, speed control, operation and maintenance.
内容涉及基本技术要求、牵引方式、动力分配方式、制动、速度控制、运用与检修等。
The nodal admittance matrix in phase coordinates of the transformer is obtained, which can be conveniently used to interface with power systems and traction networks in related analyses.
给出了该变压器在相坐标下的节点导纳矩阵，以便同电力系统和牵引网接口进行有关分析。
In order to save power and use fuel more efficiently, the relationship between the rotator's traction power coefficient and the rotator width was studied in this article.
为节省动力和更有效地利用燃料，对旋耕机的牵引功率利用系数与旋耕进距的关系进行了研究。
The problems concerning speed sensorless control in high-power electric traction drives was studied.
研究了无速度传感器控制技术在大功率电力牵引传动系统中应用问题。
The traction power rectifier is the key equipment in the circuit of diesel locomotive with electric transmission.
牵引整流柜是电传动内燃机车的主电路的的整流设备。
The uniform current test of the rectifier for traction power is the test subject that aimed at inspecting the current distribution of the rectifying elements in every parallel branch line bridge.
牵引整流柜均流试验正是为了检测其各个桥臂并联支路整流元件的电流分配情况而设立的检验项目。
Uses in the electric vehicle, the electrically operated bicycle, plate-type and the fork type storage battery car, the industry and mining railroad traction power source.
用于电动车辆、电动自行车、平板式和叉式电瓶车、工矿机车动力电源。
Using the knowledge of linearity algebra, the dynamic mathematical model for metro traction power system is founded as per the actual requirement of engineering.
利用线性代数等知识，根据实际工程需要，建立了地铁牵引供电系统的动态数学模型。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
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.
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。
Walk power and traction force of walk in one of the main parameters of the design.
行走功率和牵引力是行走机构的最主要参数之一，是设计的关键。
For the rapidity and traffic density of trains on high-speed railway, larger traction power is needed, so the electric power supply is adopted.
高速铁路列车速度快、行车密度大，要求牵引功率高，电力牵引成为高速铁路动力牵引的必然选择。
The complete calculation methods of traction power supply for urban mass transit are established by using the calculation methods presented in this paper and the calculation methods currently in use.
给出的计算方法可与现行的城市轨道交通牵引供电计算方法相结合，构成完整的牵引供电计算方法。
Although being run for a unwheeling cycle, it could not be put into production for the significant change on the traction power policy of the nation.
该车曾经过一个架修期的运用考核，但由于国家牵引动力政策发生重大变化，未能投入生产。
Although being run for a unwheeling cycle, it could not be put into production for the significant change on the traction power policy of the nation.
该车曾经过一个架修期的运用考核，但由于国家牵引动力政策发生重大变化，未能投入生产。
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