| 1. | To develop large capacity cfb boiler , the prediction of the partial load performance of cfb is becoming more necessary
随着循环流化床锅炉的大型化发展，其负荷调节性能越来越引起人们的重视。 |
| 2. | The results show that the secondary circulating pump system of the original system consumes a lot of energy and its control performance is poor under partial load
结果表明，原有系统的二次循环水泵系统能耗大、部分负荷调节性差。 |
| 3. | It has extrude merit of wide applicability to fuel , high efficiency of burning , low letting of oxidenitrogen . great radio of charge regulation and rapid charge regulation
它具有燃料适应性广、燃烧效率高、氮氧化物排放低、负荷调节比大和负荷调节快等突出优点。 |
| 4. | The circulation fluidized bed combustion technology is a new prospective technology which is acknowledged by the countries both at home and abroad . the coal variety has a wide adaptibility and high rate of combustion
循环流化床燃烧技术是一种新型的国际公认的有前途的燃煤技术，它煤种适应性广燃尽程度高，负荷调节性能好，结构紧凑，环保效益好。 |
| 5. | The power industry of china is going to establish a market - based operational mechanism which makes a feature of separation of generation and transmission management , competition before supplying and open access
中国电力工业正处在网厂分开、竞价上网、开放电力市场阶段，而agc机组参与系统负荷调节又是电力市场中很重要的研究内容， agc机组的调度属于电力市场中的辅助服务市场部分。 |
| 6. | Generally , the calculation results are proved to be reliable . the performance of the real 135mw cfb boiler under various partial loads is investigated by this model . the calculation results provide some useful conclusions for boiler design and operation
利用本文计算软件，对更多不同负荷下的工况进行了热力计算，就135mw再热循环流化床锅炉的部分负荷调节性能进行了更为细致的分析，得到了一些有益的结论。 |
| 7. | This paper introduce the features of a kind of electric heating atmospheric boiler which is of high efficiency on energy transferring , non - pollution , starting and stopping quickly , wider range of load adjusting , simple body structure , etc . in addition the paper introduce the design idea briefly
电加热锅炉具有能量转化效率高、零污染、起停速度快、负荷调节范围大、本体结构简单等特点，文章具体介绍了一种常压热水电锅炉的设计。 |
| 8. | There are many plants that have the character of time - varying , large delay , large inertia in the process of production of modern power station such as the superheated steam temperature , the reheated steam temperature , the water treatment of boiler and the load regulation . some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control . it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control , optimal control ， decoupling control and predictive control . and these control systems have large calculation and bad character of real time in general . these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station . now the generator units are developing towards large capacity and high parameters . many new kinds of generating electricity means are coming into being . the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict . the new control means are in bad need to control them effectively
现代电站的生产过程中存在过热汽温、再热汽温、锅炉水处理、负荷调节等许多大迟延、大滞后、特性时变的对象，它们中有些还是具有强非线性特性的对象或多变量耦合系统，采用常规的pid控制手段很难取得良好的控制效果。若应用现代控制理论中的自适应控制、最优控制、解耦控制、预测控制等控制手段，则需要建立被控对象的数学模型，而且往往控制系统的计算量大、实时性差。这些缺点使其很难满足实际生产过程的需要从而极大地限制了其在现代电站中的应用。 |
| 9. | System operators can grasp the all units " states in global and by the simulation results they can make out correct the dispatching method , improve the performance of whole power system and decide rightly the quantity of units which can satisfy the load requirement of current power system
而且利用这种仿真算法和机组调度算法结合的仿真软件可以仿真机组的调节过程，由这一模拟过程可以制定相应的调度策略，改善负荷调节与系统需求趋势相反的机组的运行状态，更好的确定适应系统负荷需求量的机组。 |
| 10. | Main factors are pointed out . in simple power system , the factors are : active power shortage 、 moment of inertia 、 load frequency coefficient ; in the loose complicated power system , the factors which make dynamic frequency dispersive are : the difference of moment of inertia 、 load frequency coefficient 、 power shortage and electric distance to hinge station of each area
指出影响简单系统频率特性的主要因素有：系统的功率缺额、转动惯量以及负荷的频率调节效应系数；使联系松散的复杂系统动态频率呈分散性的因素是：各区域的转动惯量不同、负荷调节效应系数不同、功率缺额不同、与枢纽站之间的电气距离不同等。 |
