Estimation Method of Boiler Minimum Combustion Stable Load Rate of Coal-Fired Power Plant [PDF]
[Introduction] Before the project implementation, it is required to pre-evaluate the degree of flexible operation of coal-fired power plants, including the prediction of the technical index of boiler minimum combustion stable load rate.
Peiqiang HUO, Xiaoru FAN
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大容量试验是检验电力装备性能,保障装备安全可靠运行的重要环节。现有的大容量试验回路主要依靠人工操作,存在流程复杂、效率低且易出错的问题。针对大容量试验回路智能化控制的难题,研究建立了冲击发电机单电机短路模型和双电机并联短路模型,分析了发电机短路特性,结合典型大容量试验回路设计了一键顺控方案,提出试验回路一键顺控操作流程。通过对发电机短路模型和大容量试验回路系统的仿真 ...
吴益飞 +7 more
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Material and Energy Conversion of Integrated 100,t/a-Scale Bio-Jet Fuel-Range Hydrocarbon Production System via Aqueous Conversion of Biomass [PDF]
以农业废弃物生物质为原料,利用水相转化技术,进行了百吨/年规模生物航油类烃(C8~C15)合成试运行.过程中采用两步酸解法分别将玉米秸秆中半纤维素和纤维素转化为糠醛和乙酰丙酸,作为生物质基平台化合物.在碱性条件下糠醛与乙酰丙酸经Aldol缩合反应实现碳链增长,生成的长链含氧中间体经过低温预加氢、高温加氢脱氧及精制,生成C8~C15范围内液态烃,可作为生物航油组分.以试运行实验结果为基础,进行了过程的物质与能量转化分析.结果表明,该路线获得液态烃类的基本性质满足合成航油ASTM-7566标准要求 ...
刘琪英 +8 more
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500kV直流断路器快速机械开关典型故障特性及可靠性提升方法研究 [PDF]
直流断路器是构建柔性直流电网不可或缺的关键设备。快速机械开关是直流断路器中承载电流、实现快速分合闸、耐受分闸恢复电压的核心组件,其结构复杂、动作速度快、电气应力严酷、可靠性要求高,因而设计研制难度大,任一环节出现问题均会影响直流断路器乃至柔直电网的安全可靠运行。然而,目前快速机械开关由于存在设计选型不合理、工艺管控不严格、试验考核不完善等问题,导致在实际工程应用中故障率较高。针对已应用于张北柔性直流电网试验示范工程的500 kV直流断路器,分析了直流断路器研制、调试 ...
张涛 +4 more
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Reinterpret 4As framework of energy security from the perspective of human security – an analysis of China’s electric vehicle (EV) development [PDF]
This research addresses two issues: expanding the understanding of human security with the case of China’s electric vehicle (EV) development and examining the human security implications of China’s EV development.
BING YUAN
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Deep Peak Shaving Technology for 330 MW Circulating Fluidized Bed Boiler [PDF]
To promote the implementation of the “double carbon” policy and to manage the high volatility of new energy, the current requirements for deep peak shaving of thermal power units are getting higher and higher. Circulating fluidized bed (CFB) boiler units
HUANG Zhong +6 more
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Design and Implementation of the Automatic Operation Platform for Wharf Containers [PDF]
码头集装箱自动化管理是整个码头业务流程以及所有职能部门岗位的管理。它主要管理的业务流程有:装卸管理、闸口管理、堆场管理、船舶管理、中控管理、客户管理、收费管理、设备管理等,其中自动化操作平台是码头装备升级的核心。智能化、自动化集装箱码头管理系统的投入运行将会大幅度降低码头公司成本,从而提高码头的工作效率。支持24小时连续作业,成为港口集装箱运输自动化领域最具竞争力的企业,从而实现快速安全作业,满足集装箱运输业不断大型化、高速化、智能化和绿色化的发展需要 ...
杨秀云
core
Start-up and Heat Transfer Performance Test of Special-shaped Curved Titanium Water Heat Pipe Samples for Stirling Cold End [PDF]
The Stirling thermoelectric conversion system has broad prospects and can efficiently convert the heat in the reactor into electrical energy, making it an excellent solution to energy problems in current high-power space projects.
WANG Yi, ZHANG Yakun, CHAI Baohua, HAN Ye, XUE Songling, YANG Bin, WANG Chenlong
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为提高对金属氧化物避雷器(MOA)运行状态的准确把控能力,提出了基于多源信息融合的MOA运行状态评价方法。该方法通过评估运行巡视、带电测试与停电试验等数据对MOA运行状态的影响,建立了多源信息评价标准;应用长短期记忆循环神经网络(LSTM-RNN)、CART决策树与D-S证据理论构建了MOA运行状态评价模型;最后运用该模型对不同变电站的3个间隔9支MOA进行跟踪测试。结果显示,该模型的评价结果与停电试验结果相一致,证明了该模型对MOA运行状态评价的有效性 ...
朱育钊, 方文田, 方逸越, 李涛
doaj
Experimental and Application Research of Novel Polyamine-Based CO2 Absorbents in Gas-Fired Power Plants [PDF]
ObjectivesCurrently, chemical absorption CO2 capture technology used in post-combustion is rarely applied in large-scale decarbonization projects in gas-fired power plants due to its high operational energy consumption and total costs. In order to reduce
CHEN Shaoyun +5 more
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