A new method to optimize the sectional switches on main feeder of the distribution network 配电网主馈线分段开关优化配置的新方法
The relationship be-tween the main& pipe pressure, steam drum pressure, steaming capacity, feedwater temperature and the speed of coal feeder, the opening of secondary air door are gotten by training the networks. 通过对网络的训练,建立了母管压力、汽包压力、锅炉蒸发量、锅炉给水温度等参数与给煤机转速和二次风门开度之间的关系。
Globe mills belong the main auxiliaries of bin type feeder systems of coal fired power plants and are therefore vital for safe operation. 钢球磨煤机是火力发电厂锅炉中间储仓式制粉系统的主要辅助设备,其安全运行十分重要。
So, the thesis adopts a type of low loss DSP processor as main controller which composing the control and fault feeder detection system based on DSP in order to deal with the question. 因此论文采用了低功耗的数字信号处理器作为主控芯片,构成一种基于数字信号处理器的控制与选线系统。
In distribution network the special form of switch-disconnectors is often installed at the cross connecting point of main feeders with branch feeder for special users or the branch feeders for integrated loads. 配电网中,在向专线用户或综合负荷供电的分支馈线与主干馈线交接处,常常装有特殊形式的隔离开关。
The algorithm makes progress on traditional minimal path. The path is searched from the sub feeder to terminal by DFS, and the main feeder components are calculated according to cases. 该算法在传统最小路算法上加以修正,采用深度优先搜索(DFS)从分支线首端至负荷点的最小路,主馈线元件根据接线形式计入计算,从而省略了非最小路元件的等值过程。
The paper carefully analyzes the four aspects of the main problems and their causes existed in practical operation of BP3400 × 8000 heavy-apron feeder, and proposes the concrete measure for them. 对BP3400×8000型给矿机在实际运用中存在的四个方面的主要问题和产生的原因进行剖析,提出了解决的具体措施。
Reason analysis and its countermeasures of boiler main fuel trip caused by frequency converter trip of pulverized coal feeder 给粉机变频器跳闸引发锅炉MFT动作原因分析及对策
Deployment of disconnect switches on main feeder 主馈线分段开关的设置研究
This article applies Monet Carlo theory in simulating randomly the queuing appearance when automobiles are waiting to enter main line form feeder highway at T style cross. 本文作者采用蒙特卡洛法对T型交叉路口支线车辆驶入干线时的排队现象进行随机模拟。
Fault location, isolation and restoring is the important part of the power network automation. It also is one of main function of Feeder Automation. 故障自动定位、隔离与恢复是配电网自动化系统的重要组成部分,也是馈线自动化应该首先实现的主要功能之一。
This paper introduces the main qualifications, overall design, hardware circuit diagram and software design of a new protector that can be used in the feeder switch in the shafts of the coal mines. 介绍了煤矿井下用于馈电开关的一种新型保护器的主要技术指标、总体设计、硬件电路框图和软件设计。
This paper mainly introduces the operation theory 、 main technology characteristic 、 the problem should be noticed during adjustment and commissioning, and analyze the common fault and its elimination method 、 maintenance experience of vane wheel coal feeder governor in XinYu power plant. 介绍了新余发电厂叶轮给煤机调速器工作原理、主要技术特性、调整及试运行应注意的问题,并对常见故障分析提出了排除方法、维护经验等。
A var compensation scheme, which considers both main feeder and transformer low-voltage side of branch lines, is proposed for 10 kV distribution network with capacitors. 针对配电网负荷多变的特点,提出采用电容器对10kV配电网进行无功补偿时,采用分支线路末端配电变压器低压侧和主馈线相结合的优化补偿方式。
Applying optimal technology to determine the main parameters of HJ Mode Feeder 用优化技术确定HJ型给矿机的主要参数
And the shield double line is used between FTU or TTU on main feeder branch and sub branch. 馈线主干线FTU和馈线支路上的FTU、TTU通信采用屏蔽双绞线的专线通信方式;
Recently, the main problems of electromagnetic vibration feeder are focus on how to increase its transportation efficiency, how to heighten its level of automation control, and especially how to realize precisely and placidly feeding control. 目前,电磁振动给料机存在的主要问题是如何提高物料的输送效率、提高自动化程度,实现给料机平稳精确的给料控制。
This article described the theoretical significance of distribution automation research and development, analysis of distribution automation definition and the main features of the feeder automation of the basic principles and main means of communication. 本文介绍了配电自动化研究的工程实用价值以及发展过程,分析了配电自动化定义、理论意义和主要功能,探讨了馈线自动化的基本原理和主要的通信方式。
The main results were as follows: 1. Purified mouse embryonic fibroblasts ( MEF) were isolated from pregnant mouse to prepare feeder layer for ES culture in first part of our research. 主要实验结果如下:1、从孕小鼠分离胚胎成纤维细胞(MEF),纯化后用于ES细胞饲养层的制备。
In this section include: the main reactor of the inclined plate slot, screw feeder, cyclone separation unit and the collection box. 本部分主要包括:斜板槽主反应器、螺旋进料器、旋风分离装置和收集箱。
The clamp of the existing forging manipulator is improved and the rotating mechanism is added in order to achieve the two main function of the manipulator and put on a feeder. 本文综合比较锻造操作机与装取料机的功能,对现有锻造操作机的夹钳进行改进,并加上底盘回转机构,达到实现操作机与装出料机二者主要功能的目的。