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1)  disturbance of feed-water
给水扰动
2)  Hydraulic Disturbance
水力扰动
1.
Absorption Oscillation or Cause Resonance——Simulation Research on Effect of Air Tank to Hydraulic Disturbance System;
吸收振动抑或引发共振——空气罐在水力扰动系统中作用的模拟研究
3)  undisturbed water
未扰动水
4)  motor-driven feedwater pump
电动给水泵
1.
The unstable operation and the mechanical seal frequent leakage of two motor-driven feedwater pumps in Shaanxi Huadian Pucheng first phase project directly affect the load as well as safe and economy operation.
陕西华电蒲城发电公司一期工程2台电动给水泵运行不稳定。
2.
The low lubrication oil pressure defect in steam turbin set of a power plant has existed since the fluid coupling motor-driven feedwater pump was put into service.
某厂汽轮机组所配备的液力耦合电动给水泵组自投运以来一直存在润滑油压偏低的现象,经过多年的技术攻关,彻底解决了该泵组一直在低油压运行的重大隐患。
3.
Based on characteristics of motor-driven feedwater pump of supercritical units,the paper discusses the configuration mode and its function,capacity and initial investment for motor-driven feedwater pump of 2×660MW supercritical units of Yangxi Power Plant in Guangdong Huanxia,and it can give supplier a theoretic basis for final decision-making.
根据超临界机组电动给水泵的特点,对广东华厦阳西电厂2×660MW超临界机组电动给水泵的配置方式从功能、容量及设备初投资等方面进行比较论述,为业主的最终决策提供理论依据。
5)  motor-drive FW pump
电动给水泵
1.
The feasibility study of the alteration of variable frequency speed regulation motor-drive FW pump is expatiated,and the integrated technological and economic comparison is introduced.
对200MW汽轮机组高压锅炉电动给水泵变频调速进行了综合技术经济比较。
6)  motor-driven pump
电动给水泵
1.
Taking economy estimation of military electric power 200 MW unit all capacity motor-driven pump changed to steam feed pump as an example to analyse methods of energy saving.
以军粮城发电厂200 MW机组配套2台液力耦合器驱动的全容量电动给水泵为例,论证如从汽机本体四抽抽出部分蒸汽驱动小汽轮机,以小汽轮机驱动给水泵来代替电机驱动,可节约厂用耗电。
补充资料:持续作用扰动下的稳定性


持续作用扰动下的稳定性
stability in the presence of persistently acting perturbations

  持续作用扰动下的稳定性仁咖幽勺协触脚。曰盆兄of哪滋众团ya曲嗯碑由州画d.侣;yc功后”.即c几np班noc”-,。110朋益e拍即IO四,x BO3M脚日e朋,xj 初值问题 交=f(x,r),x(t。)二x。,x任R”(*)之解x。(t)(t)t。)的如下性质:对每一个。>O都有一个占>O使得对每一个适合不等式!y。一x。}<占的夕.,,以及满足以下条件的每一个映射g(x,:): a)在集合 E:={(x,t):t)t。,{x一x。(t)i<。}上g和g,都连续; b)s印(:,,)。::}夕(x,t)一f(x,t)I<吞,初值问题 乡=g(y,t),夕(t。)=夕。,夕任R”的解y。(t)对一切t)屯,有定义且满足不等式 suP}y。(t)一x。(t)}<£. r)t。 Bohi定理(B心h】t玩”~)(【11).设初值问题(,)有解x(t),t)t。,满足以下条件: 幻f和fx对某个。。在瓦。上连续; 刀)s叩。,:。4}人(x(t),t)}}<+的: 下)映射f在点(x(t),‘),t)t。,处对x可微,这个可微性对t)t。是一致的,即 s叩兴}厂(二(‘)+,,,)一f(、(。),:)+ ,》万。}y} 一人(x(t),亡)yl~0当y一,O时.这时,为使初值问题的解在持续作用的扰动下为稳定,必要与充分条件是:方程组又=厂(x,t)沿解x(t)的变分方程(粗血tiona】叹业tio璐)组的上奇异指数(见奇异指数(s泊g止汀exponents))小于零. 若f(x,t)不含t(即自治系统),而解x(t)为周期的或常值的;或者f(x,t)对t有周期而解x(0也有相同的(或可公度的)周期或者常值,则:l)Bohi定理中所陈述的一致可微性条件是多余的(它可从定理的其他条件导出);2)方程组交=f(x,t)沿解x(t)的变分方程组的上奇异指数可以有效地算出来.【补注】持续作用扰动下的稳定性也称为持续扰动下的稳定性(stab正ty Under pelsis招ni perturhatio幻)或全稳定性(total stabiljty).
  
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