constant speed的例句大全

In recent years, the variable speed constant frequency wind generator system is the most widely question for discussion at home and abroad, especially for doubly-fed induction.

变速恒频风力发电系统是近年来国内外研究最广泛的课题，其中最具代表性的是绕线式转子双馈异步发电系统。

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At present, variable speed constant frequency wind power system has become the main trend of wind power development with its obvious advantage in wind power converter system connected to grid.

目前，在风力发电并网运行的风力发电变流系统中，变速恒频风电系统以其十分明显的优势，己经成为风电发展的主要趋势。

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In nowadays wind power generation technology, Variable Speed Constant Frequency wind power technology and Variable Pitch Control technology become the mainstream wind power technology and has a very good prospects of development.

在现今的风力发电技术中，变速恒频风力发电技术和变浆距调节技术成为了主流的风力发电技术，具有很好的发展前景。

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Direct drive permanent magnet synchronous generation system plays an important role in the variable speed constant frequency wind power generation field because of its good operation performance, high efficiency and high reliability.

直驱式永磁同步风力发电系统因其良好的运行性能、效率高与高可靠性等优点，在变速恒频发电领域占据着越来越重要的地位。

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Because direct-drive variable speed constant frequency wind power generation system is high efficiency, simple structure and stable operation, it is one of development trends and current research focus of wind power technology.

直驱变速恒频风力发电系统由于其效率高，结构简单及稳定运行，是风力发电技术的发展的趋势和当前研究热点之一。

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A disk-type PM synchronous generator which is used in the direct driven variable speed constant frequency wind energy sys-tem, is presented and its principle and electromagnetism design are analysed.

提出了一种用于直驱式变速恒频风力发电系统的盘式永磁同步发电机，对其运行原理和电磁设计进行了分析和推导。

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Double Fed Induction Generator ( DFIG) has become the mainstream generator of variable speed constant frequency wind power generation technology because its electrical safety and reliability and the converter of which could be of small capacity.

双馈感应发电机（DFIG）因其变频器容量小、安全可靠的优势，已成为变速恒频风力发电技术中的主流机型。

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For the problem that asynchronous motor starting generates a great current impact, this paper presents speed open-loop constant proportion of voltage to frequency control method.

针对异步起动过程中定子绕组产生过大冲击电流的问题，提出了逐级变频的转速开环恒压频比控制同步电动机软起动方法。

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With constant limited force and energy, and let in the electromagnetic wave of than light material volume, quality of material more small, the speed is faster than the speed.

以恒定有限的力与能量，任凭于比光的电磁波物质体积、质量更小的物质，则其速度就是超光速的。

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For some robot applications ( e.g. arc welding robots), the movement speed is required to be constant.

对于一些应用型工业机器人（如弧焊机器人）来说，为了保证焊接质量，其运动轨迹必须是连续不间断的，其运动速度要求是恒定的。

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The air-to-air missile borne SAR has important characteristics including high flight speed with non-constant velocity and big squint angle, which forward a greater requirements for the real-time performance, motion precise compensation.

空空导弹弹载SAR平台的大斜视角和大机动特点对成像算法的实时性、运动补偿提出了更高的要求。

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As the speed is constant, when the frequency is increased, the wave length will.

因为速度不变，当频率增加时，波长就会减少。

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The experiment results showed that the MVD process of white fungus was divided into three stages that were speed-up, constant-speed and speed-down.

试验结果表明银耳微波真空干燥过程可分为加速干燥、恒速干燥及降速干燥3个阶段。

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In order to keep constant unloading rate, a calculation formula is proposed to make gantry travelling speed, boom swivelling speed and reclaiming head revolving speed compatible. A calculation example is given.

为了使卸料能力保持恒定值，本文对大车运行速度、臂架回转及机头回转速度三者的匹配推出了计算公式，并介绍了计算实例。

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Electricity feedback loading has excellent loading characteristics, which realizes to load in constant torque under normal speed and in constant power above normal speed.

电回馈加载具有非常优良的加载特性，在额定转速以下可以保持恒转矩加载特性，额定转速以上保持恒功率加载特性。

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effect of reducing aerodynamic drag coefficient on constant-speed fuel economy of truck

降低载货汽车空气阻力系数对等速燃耗的影响

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Research on Constant Scallop-height Tool-path Planning Method in High Speed Milling

高速铣削加工中等残留高度刀具轨迹规划方法研究

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Based on the analysis and discussion, the prediction formulas of swin productive development were established, and the suitable slow speed was suggested. Also, the counter^ measures of moderating swine productive fluctuation and promoting constant development were discussed.

在分析讨论的基础上，建立了生产发展预测公式，提出了适宜增长速度概念，并就减缓生猪生产波动，促进稳定发展的对策进行了探讨。

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Variable-speed grinding of camshaft based on constant removal rate

基于恒磨除率的凸轮轴变速磨削研究

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Research of the Megawatt Level Variable Speed Constant Frequency Wind Power Unit Control System

兆瓦级变速恒频风力发电机组控制系统

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