共查询到19条相似文献,搜索用时 109 毫秒
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介绍了巴基斯坦木扎法戈电站4号机组的新型控制系统的调试结果,对过热器、再热器的可控制性提出了了改进意见。此餐,还给出了相位补偿环节的整定计算公式。 相似文献
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巴基斯坦木扎法戈电站4号机组过热汽温和再热汽温的控制——兼论过热器和再热器的可控性 总被引:2,自引:2,他引:0
介绍了巴基斯坦木扎法戈电站4 号机组的新型控制系统的调试结果,对过热器、再热器的可控制性提出了改进意见。此外,还给出了相位补偿环节的整定计算公式。图7 表1 参2 相似文献
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在2号机组小修中对其调压系统进行恢复,由于机组调压系统从未投入使用,在调试过程中遇到了一些问题并最终得到解决,介绍,分析了2号机组调压系统的工作原理及调试过程。 相似文献
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根据华能德州电厂三期工程机组调试的实际情况,介绍了GE生产的660MW汽轮机启动调试的过程、特点,以及出现的问题现象和解决方法,分析了启动控制的性能,提出了此类机组启动调试前后应做的准备和调研,对大型进口汽轮机的启动调试具有一定的指导意义。 相似文献
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1概述给水泵汽轮机是300MW机组锅炉给水系统中重要设备,它拖动给水泵向锅炉提供足够的水,满足300MW机组运行要求。随着我厂引进300MW机组生产能力的进一步提高,每年出厂的机组逐年增加,投入运行的电厂增多,而决定机组能否优质优量地投入运行,关键取决于现场启动调试。每台机组从订货到设计,从设计到制造,从制造到安装,最后一环就是启动调试工作。认真做好启动调试工作,保证设备完好无损,保障整个机组顺利启动。同时,它还检验整套机组每个部分制造和安装的正确与否,可以说是对机组的最后完善。因此,今后到各电厂启动调试给… 相似文献
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针对深圳东部电厂2号机整套调试过程出现高压饱和蒸汽品质合格而过热蒸汽品质较差现象,通过对造成热蒸汽品质恶化的分析,确认为过热器污染所致;经过对过热器反冲洗可能存在的风险进行了分析,确定了过热器反冲洗的措施,并在机组检修启动前得到实施,使机组过热蒸汽得到净化,实现完全合格。过热器反冲洗达到了预期效果,为本机组的安全经济运行奠定了良好的基础,也为同类机组在调试及运行过程中进行过热器反冲洗提供了经验。 相似文献
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本文受大同,秦岭电厂事故启示,汇总了本人长期参加现场多台20万机组启动调试的经验及用户和有关调试人员反馈,偏向上此对本厂20万机组调节系统的动态性能进行了深入探讨分析,提出了改进方案,并得到了邢台电厂大力支持,于90年3月在邢台电厂4号机组上实施,至今效果甚佳,基本上达到了原设计意图,在这个基础上,写出了这篇心得体会。 相似文献
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在调试超超临界锅炉的过程中,进行了冷态动力场试验、锅炉蒸汽吹管、锅炉整套启动等试验项目.根据某电厂扩建1 000 MW超超临界双切圆锅炉在调试时出现多项问题,有针对性地提出了解决方法和步骤,并对整套启动过程中锅炉侧出现问题进行了分析,可为同类型锅炉的调试工作提供经验. 相似文献
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国家电网公司750kV示范工程系统调试范围为750kV官亭变电站变电工程、750kV兰州东变电站变电工程、750kV官亭变电站至750kV兰州东变电站一条140km的750kV线路。系统调试方案包括两部分:第一部分为750kV输变电示范工程系统调试方案,第二部分为750kV示范工程系统调试测试方案。本文详细叙述了系统调试方案中的试验项目和试验内容;并对系统调试测试项目进行了简单介绍。对系统调试结果进行了简单概括分析,并给出了系统调试结论。 相似文献
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Building energy consumption keeps rising in recent years due to growth in population, increasing demand for healthy, comfort and productive indoor environment, global climate changing, etc. Nowadays, the contribution from buildings toward global energy consumption is approximately 40%. Most of energy use in buildings is for the provision of heating, ventilation and air conditioning (HVAC). High-level performance of HVAC systems in building lifecycle is critical to building sustainability.As a quality-oriented process, commissioning has been recognized as a valid means to improve performance of buildings and HVAC systems in both energy and environment aspects and should be conducted regularly or continuously throughout the whole building lifecycle. At the same time, building automation systems (BAS) are now standard in most modern buildings. Besides automatic monitoring and control of building services systems, automatic commissioning is a new expectation on modern BAS to save labor, time and cost required by manual commissioning and improve the effectiveness of commissioning. This paper firstly takes a brief look at current situation of building commissioning in research and application world wide, and then summarizes state-of-the-art techniques for automatic commissioning of HVAC systems. It is concluded that, to maximize benefits from commissioning for enhancing building sustainability, more efforts should be made to develop automatic commissioning tools which can be integrated with modern BAS. 相似文献
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CFB锅炉是近年才发展起来的新型洁净煤燃烧技术。从高坝电厂和国内其它CFB锅炉的运行过程中,发现了一些故障和缺陷。结合自身的运行和调试经验,对故障原因作出了分析,提出了解决措施,为CFB锅炉的运行和CFB锅炉的大型化设计提供借鉴和参考。 相似文献
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The article presents review of possibilities and necessities for a practical application of lifetime commissioning in building facilities. The implementation of life-long commissioning of buildings implies energy efficiency, ensures a rational use of energy and thereby decreases CO2 emissions. Therefore, first the term “commissioning” is explained in the article. Commissioning necessities, which are induced by different operational faults, the new laws driven by idea for decreasing CO2 emission, and benefits, are explained, too. Besides USA's and European laws for the energy performance of buildings, the Norwegian state of the art in this area is also presented. The difference in terms and methods for fault detection and diagnosis are elaborated in the article. Finally, examples of different commissioning tools are briefly introduced and compared. In order to make building sustainable and encourage energy savings, potential commissioning users are suggested. 相似文献
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Godhwani A. Basler M.J. Kim K. Eberly T.W. 《Energy Conversion, IEEE Transaction on》1998,13(2):183-187
This paper presents design, testing, commissioning, and operational experience related to a modern digital excitation system. In order to allow comparison with a modern analog system, an analog voltage regulator was also installed and subjected to similar testing. The paper compares the digital and analog regulators in terms of efficiency of commissioning and the resulting system performance. The digital regulator allows ease of custom design of the regulator settings to match the exciter and the generator, resulting in efficient commissioning 相似文献