机组

The concept of cycle efficiency coefficient is introduced to analyze the normal cycle of the unit and the reheater desuperheating water cycle.

引入了循环效率系数的概念，对机组正常循环和再热减温水循环进行分析。

Reheater attemperating water is sensitive to the thermal efficiency, effective operation adjusting will reduce the energy consumption.

再热器减温水量对机组热经济性的影响较大，有效的对其控制和调节将提高电厂节能降耗水平。

The reheater desuperheating water exerts great influence on the unit economy.

再热减温水对机组经济性的影响很大。

ABSTRACT The design performance of the superheater and reheater systems is one of the key factors affecting the steam temperature of the large capacity boilers and the reliability and economy of the large capacity units.

大容量电站锅炉过热器与再热器系统的设计性能是决定大容量电站锅炉的汽温状况及大容量机组可靠性与经济性的关键之一，过热器与再热器系统设计方法。。。

After retrofit,the wall temperature at the outlet of the highest temperature platen decreased by 10～15 ℃ with unit's operation reliability improved.The increase in reheater resistance as a result of...

改造后最高温度屏的出口壁温下降了10 ～15 ℃，提高了机组的运行可靠性，节流圈引起的再热器阻力增加只有11k Pa ，改造后电厂的直接经济效益为每年170 万元。

Select steam initial temperature from 535℃to 660℃, and initial pressure form16 MPa to 34 MPa, We choose 494 sets of different steam properties in the selected sphere. Making the 494 sets of parameters basing points, We program and analyze how ideal cycle efficiency and relative cycle efficiency and absolute cycle efficiency vary with steam initial properties .

选定蒸汽初温从535℃到660℃，蒸汽初压从16MPa到34MPa范围内的494组不同的蒸汽初参数组，以这些初参数组为基点，编制程序，研究分析了机组理想循环热效率，汽轮机相对内效率，绝对内效率随初参数变化的规律。

This thesis discusses the system strcture of micro—computer relay of large generator—transformer unit.

本文从保护配置、硬软件结构等几个方面论述了大型机组微机保护装置的体系结构。

The water storage function of condenser is the must not only for gathering and storing condensed water, various water repellence of thermal system, exhaust steam and chemical feedwater, but also for cushioning dramatically changing turboset flow during the operation, improving the stability of system regulation and ensuring the essential water-absorption pressure head of condensation pump.

凝汽器的蓄水作用既是汇集和贮存凝结水、热力系统中的各种疏水、排汽和化学补给水的需要，也是缓冲运行中机组流量急剧变化、提高系统调节稳定性的需要，并且是确保凝结水泵必要的吸水压头的需要。

This train of thought puts forward, continue dimensions of construction of adjusting control electric power and speed, advance group of igneous electric machinery to go up to be pressed greatly small, on coal pressing is oily, exert oneself optimizes igneous report structure.

该思路提出，继续调控电力建设规模和速度，推进火电机组上大压小、上煤压油，着力优化火电结构。

The other three groups are: the marketing department management, the group of motor and the group of retarder.

另外三个组分别是：市场部部长及其秘书，电机组和减速器组。

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。