机组

Large-scale modular units combined application and soil pipe heat exchanger technology innovation to fill the gap.

机组的大规模模块化组合应用及土壤热交换器埋管技术的创新填补了国内空白。

ABSTRACT The insecurity and instability problems will certainly cause enormous losses and catastrophic results for modern power systems featured with extra high voltage and long-distance transmission lines, large capacity generators, spaciously interconnections and huge inter-area exchanges. So, studies on the power system security and stability have been paid much more attention for a long time.

以超高压、长距离输电、大容量机组、大范围互联和大容量的区域间交换为显著特征的现代电力系统，其稳定性一旦遭受破坏，必将造成巨大的经济损失和灾难性后果，致使电力系统安全稳定问题一直是电力系统研究领域内的热点。

With the main protection designs of six hydro-generators in Baise, Letan, Fengtan, Wawushan, Pengshui and Laxiwa power stations as example, the design process of hydro-generators with odd branches can be reduced to the main protection design of hydro-generators with three branches per phase and the usage of incomplete split-phase transverse differential protection is becoming significant.

0引言随着三峡、龙滩、拉西瓦等工程的相继建设，国内的水电建设已进入又一个发展高潮，水电机组正向着大型和超大型方向发展[1]；大型水轮发电机主保护配置方案的定量化设计已逐步被电厂和设计院所接受，从而为大型发电机组的安全运行提供了高质量的保证[2-6]。

After a period of running, only by replacing natural-worn parts in time can stability of the Group maintain and serious troubleshooting be avoided.

其故障的发生是可预见的，机器经过一个时期的运转后，只要按时更换自然磨损的零件就可以保证机组持续稳定的性能。

Regarding the frequent occurrence of speed stalling of boiler axial flow primary fan in the operation of 600 MW unit in China,the cause of speed stalling was analyzed based on the actual measured data.

针对目前国内600 MW大容量机组锅炉轴流式一次风机运行中失速事故频繁发生的问题，在了解造成轴流式一次风机失速原理的基础上，根据实测数据对一次风机失速原因进行分析。

Regarding the frequent occurrence of speed stalling of boiler axial flow primary fan in the operation of 600 mw unit in china,the cause of speed stalling was analyzed based on the actual measured data.the problem is mainly caused by primary air pipe resistance property variation,which caused the excessive opening of movable blades,the primary fan is working on the condition of higher wind pressure and lower flow.the approaches to reduce the speed stalling of primary fan and preventive measures are put forwa...

针对目前国内600 mw大容量机组锅炉轴流式一次风机运行中失速事故频繁发生的问题，在了解造成轴流式一次风机失速原理的基础上，根据实测数据对一次风机失速原因进行分析。主要原因为一次风管阻力特性的变化，使一次风机动叶开度过大，一次风机工作点处在高风压区低流量的工况点，是造成一次风机失速的主要原因，提出了运行中减少一次风机失速机率的处理方法及预防措施。

At present, the company has 3,150 tons a hydraulic press units, three tons, one-ton steam hammer to a dual-use space Taiwan, 750 kg Kong Qichui the following six, in forging production capacity of 18,000 tons and a larger vehicle, milling, peeled, Grinder, and other mechanical processing equipment and heat treatment plant.

目前本公司拥有3150吨水压机机组一套，3吨、1吨蒸空两用锤各1台，750kg以下空气锤6台，年锻件生产能力1.8万吨，并拥有较大型车、铣、刨、磨床等机械加工设备和热处理车间。

For the purpose of this insurance a Steam Turbine Generator shall comprise the steam turbine and generator complete including exciter and generator cooling plant but not beyond the limits of the inlet steam stop-valve generator terminals or condenser steam inlet point.

为了本保险合同目的，一个蒸汽涡轮发电机包括蒸汽涡轮机、发电机，其中发电机包含励磁机和发电机制冷设备，但该机组以蒸汽进口截止阀、发电机接线柱或蒸汽冷凝器入口点为限。

In thermal system, shaft seal system of steam turbine has significant purpose to security and economy.

热力系统中，汽轮机轴封系统对机组运行的安全和经济性具有十分重要的意义。

How to select the proper material of steam turbine parts is very important for designing the supercritical unit independently in the future.

如何选择合适的汽轮机零部件材料，对今后超临界机组的自主开发是十分重要的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。