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gaiyaoshejishuomingshu
- 一、可行性研究报告 1 1．引言 2 1.1编写目的 2 1.2项目背景 2 1.3定义 2 1.4参考资料 2 2．可行性研究的前提 2 2.1要求 2 2.2目标 3 2.3条件、假定和限制 3 2.4可行性研究方法 3 2.5决定可行性的主要因素 3 3．对现有系统的分析 3 3.1处理流程和数据流程 3 3.2工作负荷 3 3.3费用支出 3 3.4人员 3 3.5设备 3 3.6局限性 3 4．所建议技术可行性
2power2
- 在大功率DC/DC开关电源中,为了获得更大的功率，特别是为了得到大电流时，经常采用N个单元并联的方法。多个单元并联具有高可靠性，并能实现电路模块标准化等优点。然而在并联中遇到的主要问题就是电流不均，特别在加重负载时，会引起较为严重的后果。普通的均流方法是采取独立的PWM控制器的各个模块，通过电流采样反馈到PWM控制器的引脚FB或者引脚COMP，即反馈运放的输入或者输出脚来调节输出电压，从而达到均流的目的。显然，电流采样是一个关键问题：用电阻采样，损耗比较大，电流放大后畸变比较大；用电流传感器成
dianzifuzai
- 电子负载程序，本电子负载有横流，恒压，横功率，横阻，四种工作模式-E-load procedure, the electronic load has cross-flow, constant pressure, cross-power, cross-resistance, four operating modes
1
- 本文所论述“管式加热炉”，是石油炼制，石油化工和化学、化纤工业中使用的工艺加热炉,主要技术指标有热负荷，炉膛热强度，炉管表面热强度，炉膛温度，管内流速及压力降。-This article discusses the " tubular-furnace" is the petroleum refining, petrochemical and chemical, chemical fiber technology used in industrial furnace, the m
211-herrera
- Article_herra Distorted voltage and current waveforms is one of the problems associated to electric power quality. Continuous use of non-linear loads provokes the existence of voltage waveforms with a high distortion. Thus, it is necessary to k
Coordination-and-Optimization
- 将网损价格因子和网损协调系数引入目标函数,建立了改进直流潮流模型,实现了负荷在机组间的最优分配 利用交流潮流方法计算系统实际网损,并利用增量直流潮流模型将网损在机组间进行合理分摊 最后利用交直流迭代思想修正网损价格因子和网损协调系数以优化网损分配方案。IEEE14节点和IEEE118节点算例验证了该方法的可行性,算例结果充分逼近了交流最优潮流的计算结果,符合实际系统运行状况。-The net loss and net loss of coordination price factor intro
Battaries
- Standalone Photovoltaic (PV) system requires a proper battery charge controller. In this paper an efficient battery charge controller using Buck-Boost regulator with Maximum Power Point Tracking (MPPT) is presented. The voltage command is det
DC-MICROGRID(nasreen)
- The existence of the modules capacitors necessitates the control of their voltage level. A dedicated controller is described that has two main parts the averaging controller that takes care of the average capacitor voltage level per leg and the b
nrlf_lab
- performs newton Raphson load flow
programme
- radial-load-flow matlab
dc-pf-r
- how to calculate dc load flow
pxc3881075
- Load Flow based Approach for Optimum Allocation of Distributed Generation Units in the Distribution
LinearLoadFlow_Unbalanced
- unbalanced load flow program. distribution system load flow program given for 13 bus, 37 bus and 123 bus system
Backward_Forward_method
- load flow(Backward_Forward_method)
计算成桥3年后恒荷载+活荷载工况1作用下的结构
- 主要是ANSYS命令流对成桥3年后恒荷载+活荷载工况1作用下的结构进行分析，对研究桥梁结构的朋友有很大帮助(ANSYS command flow is the main structure of the bridge 3 years later, live load + live load condition 1 Analysis of the structure, the bridge structure for the friends of great help)
01-单箱三室命令流（集中荷载）
- 利用ansys求解在集中荷载作用下，薄壁单箱三室箱梁命令流(Using ANSYS to solve the command flow of thin-walled single box three chamber box girder under concentrated load)