查询词典 power-driven

Companies in the United States, Germany, Singapore, Hong Kong, Taiwan, Canada has a good partner, agent: Germany Dehn Series Lightning Products Company (Gold-level agents), a world-class quality of its products; the United States figure GE Power Company Series UPS; The United States patent system and maintenance-free ground fire clay welding technology; Norway POWEC series intelligent switch rectifier; the company's goal is to become of these companies and integrated lightning protection of power electronic products, systems integrators to cost-effective integration in the system, to undertake General lightning protection of power electronics and systems engineering.

公司在美国、德国、新加坡、香港、台湾、加拿大均有良好的合作伙伴，代理：德国DEHN公司系列防雷产品，其产品质量世界一流；美国GE数字电源公司系列UPS；美国专利免维护接地系统及火泥熔接工艺技术；挪威POWEC系列智能化开关整流器；公司的目标是成为这些公司电力电子和综合防雷产品的系统集成商，以高性价比集成于系统，承接电力电子和综合防雷系统工程。

Ls a professional producer in cooperation with China Building Materials Lnstiution ,Hangzhou New Building Materials Lnstitution, Northwest China Power Lnstition Zhejiang Power Designing Lnstitution, Wuhan Science-Technology University,etc.hasdeveloped series of products for the industries such as glass kiln,fire power plant and metallurgy and won high reputation for gheir reliable quality .

长兴振业建材耐火材料有限公司是耐火材料的专业生产厂家，公司先后与中国建筑材料科学研究院、杭州新型建材研究院、西北电力研究院、浙江电力设计院和武汉理工大学等科研院校合作，成功地研制开发了玻璃熔窑、火力发电和冶金等行业需要的耐火材料系列产品，并以稳定可靠的质量而赢得了广大用户的信赖。

The basic relationship between the the first half-wave peak value of transient current and the initial firing angles is found by means of analytical method.The practical method is put forward to determine the initial two-phase and the third phase firing angles with the limiting value and the space vector varying track of transient current.And then the subsequent series of firing angles with the even step are calculated by using the speed at the time of re-switching.The suppressive effect to the inrush current is verified with simulation and experiment of rapid soft re-switching control,by which the influence of different speed to rapid soft re-switching course is analyzed besides.3 To analyze the power loss for typical periodically variable running load and deeply study the energy-saving principle and control mode of the intermittent power supply approach. Futhermore,the novel integrated energy-saving control technique is developed on base of the intermittent power supply approach.

通过解析方法找到快速软投入初始触发角与瞬态电流首半波峰值加热板之间的基本关系，进而提出了由限流值和空间向量轨迹确定初始两相和第三相触发角的方法，并以固定步长均匀递减的方式由投入时转速计算出其它后续触发角；结合仿真和实验验证了快速软投入对冲击电流的抑制作用，并分析了不同转速下投入时对电源快速软投入过程的影响。3对典型周期性变工况负载特性进行能耗分析，深入研究断续供电节能机理和控制模式，并进一步发展了以断续供电为主的综合节能控制新技术。

The basic relationship between the the first half-wave peak value of transient current and the initial firing angles is found by means of analytical method.The practical method is put forward to determine the initial two-phase and the third phase firing angles with the limiting value and the space vector varying track of transient current.And then the subsequent series of firing angles with the even step are calculated by using the speed at the time of re-switching.The suppressive effect to the inrush current is verified with simulation and experiment of rapid soft re-switching control,by which the influence of different speed to rapid soft re-switching course is analyzed besides.3 To analyze the power loss for typical periodically variable running load and deeply study the energy-saving principle and control mode of the intermittent power supply approach. Futhermore,the novel integrated energy-saving control technique is developed on base of the intermittent power supply approach.

通过解析方法找到快速软投入初始触发角与瞬态电流首半波峰值之间的基本关系，进而提出了由限流值和空间向量轨迹确定初始两相和第三相触发角的方法，并以固定步长均匀递减的方式由投入时转速计算出其它后续触发角；结合仿真和实验验证了快速软投入对冲击电流的抑制作用，并分析了不同转速下投入时对电源快速软投入过程的影响。3对典型周期性变工况负载特性进行能耗分析，深入研究断续供电节能机理和控制模式，并进一步发展了以断续供电为主的综合节能控制新技术。

Based on analysis of the features of three-phase four-line power supply system and nonliear load current harmonic pollution,compensation method of simultaneously compensating voltage sag and synthetic power quality of load low-voltage of harmonic current was proposed,and corresonding hybrid unified power quality compensator was also designed.

通过对三相四线制供电系统的特点和非线性负载电流谐波污染分析，提出了可同时补偿电压跌落、谐波电流的负载端低压综合电能质量补偿方法，并设计了对应的混合型低压电能质量综合补偿器。

The specialty that develops shape and garbage power industry from the hair of market of domestic electric power sets out, analysed the dominant position that develops garbage power plant in our country.

从国内电力市场的发展目前状况和垃圾发电行业的非凡性出发，分析了在我国发展垃圾发电厂的优势。

Garbage power generation is one of the scientists just think of ways to solve the energy shortage in Sichuan, garbage substation has been trying to build just the beginning of garbage power plant efficiency is very high, a day can consume a large amount of municipal waste, it is per hour electricity than a medium-sized thermal power plant's generating capacity even more, its workload is particularly high.

垃圾发电是科学家们刚想到的一个解决能源短缺的方法，在四川，垃圾变电站已经开始尝试建设，刚开始时垃圾发电厂的效率就非常高，每天都可消耗大量的城市垃圾，它每小时的发电量比一个中型火电厂的发电量还要多，它的工作量特别高。

The author made a simulation model in Matlab/Simulink, and did simulation in several conditions such as no load, integrating with power grid, independently modulation of the active and reactive power and capture of the maximum wind power. The simulation results show that analysis is right and have very important guidance signification on experimental systems.

在此基础上，以Matlab/Simulink为工具，建立了系统仿真模型，进行了发电机空载运行、并网、有功、无功功率独立调节、最大风能捕获运行等工况的仿真研究，仿真结果证明理论分析正确，对系统的实验研究具有一定的理论指导意义。

With the rapid development of the electric power industry, the utilization of the continuously increased capacity of the generator units, the extraordinary large power grid, and the extra-high voltage transmission network etc., the operation and the management of power system is becoming more and more complex.

电力工业的飞速发展，单机容量的不断增加，电网规模的日益扩大，使得电力系统的运行和管理越来越复杂。

The reactive power variation of wind farm interconnected with power grid leads to voltage fluctuation of power grid.

并网风电场无功功率的波动会引起系统电压波动。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。