共查询到19条相似文献,搜索用时 156 毫秒
1.
该文利用STAR -90模块化仿真支撑系统对热电联产机组进行仿真建模。并对热电联产机组汽机控制系统进行了分析。机组仿真机可以对电厂运行人员及管理人员进行培训和考核 ,使受培人员能熟练掌握机组在各种条件下的启停过程和正常运行中的监视操作技术 ;使受培人员的应急能力及对机组运行的综合分析能力得以提高。可利用仿真机进行机组运行方式的优化和研究 ;对控制系统的设计、性能分析以及现场调试都具有重要意义。 相似文献
2.
3.
对火电机组分散控制系统(DCS)的仿真采用先进的虚拟DCS技术,这样可以在仿真机中实现对机组DCS系统中控制逻辑和控制策略的全仿真,除能对运行人员和热控人员进行培训外,还具有对真实DCS系统进行调试与优化的先进功能.以安徽平圩发电有限公司600MW机组的FOXBORO I/A Series DCS系统为虚拟对象,介绍600MW仿真机虚拟DCS的系统结构和开发过程,其中主要介绍了虚拟DCS的核心代码的实现. 相似文献
4.
5.
6.
随着集散控制系统(DCS)在火电站中的广泛应用,对仿真技术提出了很多新的需求.该文介绍几种集散控制系统仿真新技术,包括激励型仿真技术、虚拟DPU技术和分布式仿真支撑系统,通过对各种技术的设计思想、系统结构和实际应用特点的详细分析,说明可大大减轻仿真研发人员的工作量,加速电站仿真机研制进程,适应电力生产的新需求,体现了火电站集散控制系统仿真技术的最新进展. 相似文献
7.
8.
介绍了一种适合于多种DCS的通用型热工控制仿真支撑平台TCSS100,并应用于扬州第二发电有限公司的600MW火电机组的全工况仿真机的开发中,实现了火电机组所有热控系统(MCS、FSSS、SCS、DEH、MEH等)的1:1仿真,实际应用表明:该仿真支撑平台具有运行效率高、实时性好、通用性和可扩展性强等优点.所开发的全工况仿真机真实再现了原型机组动、静态的运行特性,可以对运行人员和热工人员进行全面系统的培训和考核,实现了预期的目标. 相似文献
9.
采用先进的虚拟DCS技术,能够在仿真机中实现电厂分散控制系统中控制策略的全仿真,具有很高的逼真度,不仅可以对运行操作人员和热控人员进行培训,而且具有对真实DCS系统进行调试与优化的功能.以平圩发电有限责任公司600MW火电机组为例,详细介绍了基于虚拟DCS的仿真机软硬件结构和实现过程,并简要介绍本系统的应用. 相似文献
10.
超超临界百万机组仿真机开发及应用研究 总被引:2,自引:0,他引:2
本文对国华宁海电厂二期超超临界百万机组仿真机的技术方案、仿真范围、实现功能、技术特点等进行介绍。在仿真机的应用时效上,真正起到了超超临界百万机组运行人员超前培训的作用。 相似文献
11.
《Simulation Modelling Practice and Theory》2007,15(6):716-733
The development of complex simulators with multiple simulation models running in a distributed way is a difficult task where communication plays a main role, particularly in cases where real-time constraints exist. This paper presents distributed simulators for nuclear power plants with communication based on Real-time CORBA, a middleware for real-time systems. The simulators are used to train power plant operators safely. They are based on a complex architecture of simulation models with real-time constraints involving many different applications that allow full scope simulation of the control room of a nuclear power plant. The use of Real-time CORBA in the simulators allows us to obtain platform and language independence, reusable components and the control of real-time properties. 相似文献
12.
根据电厂辅助系统的控制特点,提出了现场总线技术在电厂辅助系统的应用策略。该策略采用与电厂辅助控制系统集成的方式,对现场总线在电厂水处理系统、输煤系统的应用方案进行全面经济性分析,并列举了目前制约现场总线应用的技术问题。最后对如何进一步提高现场总线应用经济性指出了发展方向。 相似文献
13.
Power plants are nonlinear and uncertain complex systems. Reliable
control of superheated steam temperature is necessary to ensure high
efficiency and high load-following capability in the operation of
modern power plant. A nonlinear generalized predictive controller
based on neuro-fuzzy network (NFGPC) is proposed in this paper. The
proposed nonlinear controller is applied to control the superheated
steam temperature of a 200MW power plant. From the experiments on
the plant and the simulation of the plant, much better performance
than the traditional controller is obtained. 相似文献
14.
Power plants are nonlinear and uncertain complex systems.Reliable control of superheated steam temper-ature is necessary to ensure high efficiency and high load-following capability in the operation of modern power plant.A nonlinear generalized predictive controller based on neuro-fuzzy network(NFGPC)is proposed in this paper.The proposed nonlinear controller is applied to control the superheated steam temperature of a 200MW power plant.From the experiments on the plant and the simulation of the plant,much better performance than the traditional controller is obtained. 相似文献
15.
工控应用程序的一种仿真调试方法 总被引:1,自引:0,他引:1
工控应用程序的完善设计是保证计算机控制系统的性能与可靠性的一个重要措施 ,而仿真调试是使应用程序完善化的一个重要环节。本文讨论数字仿真技术在工控应用程序实验室调试中的应用原理 ,并给出某火电厂减温器计算机控制系统的工控应用程序的仿真调试作为应用示例加以说明 相似文献
16.
Tor-Martin Tveit 《Simulation Modelling Practice and Theory》2003,11(7-8):585-596
Power plant process simulation software is well-suited for the modelling of energy systems and more importantly, tools for analysing the energy efficiency are often built into the software. This work presents the development of a simulation model for a sulphuric acid plant using a commercial software package for power plant process simulation. This will be of value to for instance small consultant and engineering companies involved with audits and analysis of energy systems. For small sized companies the cost of acquiring and maintaining many different specialised software packages will be noticeable. However, companies involved with audits and analysis of energy systems will in most cases have access to at least one software package for power plant process calculations. The use of this kind of software for also modelling chemical plants would be valuable to these companies. The results of this work shows that it is possible to use an inexpensive but powerful power plant process simulation software for modelling a common chemical process as a part of a large energy system. 相似文献
17.
Power plants are being required to undertake large power variations to satisfy electricity demand, whereas their control systems comprise decentralized control loops and ad-hoc compensation schemes, to deal with loop interaction, for regulation and disturbance rejection at base load. This paper presents a compensation scheme that lessens control loop interaction, caused by the nonlinear coupled process dynamics, to ease power generation control throughout the power plant operating space. Compensation factors are systematically determined from a process gain matrix that conveys all interaction information. Numerical analysis and simulation experiments demonstrate the feasibility of power plant wide-range operation with the proposed compensator. 相似文献
18.
基于Web的电站仿真培训系统设计思想 总被引:3,自引:0,他引:3
基于Web的电站仿真培训系统,能够加强仿真培训系统的资源共享、减少不必要的重复性投资,是下一代电站仿真培训系统的主要支撑平台。介绍了现有的基于局域网的电站仿真培训系统改造为基于Web的电站仿真培训系统面临的主要技术问题,并提出了可行的解决方案及目前的研究进展。 相似文献
19.
A decentralized robust control scheme is presented for the load-frequency control of interconnected power systems with uncertain parameters. A singular value decomposition (SVD) technique and Lyapunov stability theory are adopted to implement a decentralized robust controller. The stability analysis of the closed-loop interconnected systems for all admissible uncertainties is discussed. The performance robustness of the proposed decentralized robust control scheme has been verified through simulation studies on a two-area power system model. The effectiveness of the decentralized control algorithm is compared to that of a centralized robust one. It has been found that both control schemes have almost the same performance with integral control action in the presence of parametric uncertainty in the plant. 相似文献