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distribution-line-lightning
电力系统配电线路防雷设计指导书,用于雷击风险评估,防雷措施效果计算。(Power system distribution line lightning protection design guide books, the risk assessment for lightning, lightning effects of measures calculated.)
- 2013-11-10 12:15:22下载
- 积分:1
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winformtest
专家提取管理系统,专家专业以及部门,管理专家,欢迎下载使用,谢谢(Experts to extract management systems, expert professional and sectoral management experts are welcome to download, thank you)
- 2012-05-22 11:03:09下载
- 积分:1
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chargepumping
利用charge pumping技术,来测量半导体器件的耐受性及可靠性等相关指标。系统一般包含脉冲源和SMU(源测量仪表)(an skill and measurement method which is using charge pumping to detect characterizaiton of chips )
- 2009-11-03 19:40:51下载
- 积分:1
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biywshenguanlixitong
图书管理系统用C++编写的图书管理系统,没有使用数据库,用文件读写方式保存(Library management system written using C++ library management system, not using the database stored with the file reading and writing)
- 2011-05-06 22:06:05下载
- 积分:1
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一阶声波方程波场模拟
一阶声波方程波场模拟,采用的是交错网格,二阶精度,pml边界(A first-order wave equation of wave-field simulation, using the staggered grid, second order accuracy, pml boundary)
- 2021-04-08 16:49:01下载
- 积分:1
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PV-Controller
光伏控制器,自动充放电控制12V/10A光伏控制器(ERA-04-10-A):
额定工作电压:DC12V
最大充电电流:10A
最大放电电流:5A/路(共两路负载)
太阳能组件开路电压:25V
空载电流:<15mA
温度补偿:-20Mv/°C
工作环境温度:-25°C~+50°C
使用海拔:<5500M
控制器尺寸(mm):
光控电压(25°C):<=3.3V
过放保护电压(25°C):<10.8V
过放恢复电压(25°C):>10.8V
过充保护电压(25°C):>15.0V
过压保护电压:17.68V
过压恢复电压:14.7V
浮充电压(25°C):13.4V~13.7V
恢复正常充电电压(25°C):13.2V
结束正常充电电压(25°C):15.0V
(PV controller, automatic charge and discharge control 12V/10A PV controller (ERA-04-10-A): Rated voltage: DC12V Maximum charge current: 10A Maximum discharge current: 5A/Road (a total of two loads) Solar components of the open circuit voltage: 25V No-load current: < 15mA Temperature Compensation:-20Mv/° C Operating Temperature:-25 ° C ~+50 ° C with elevation: < 5500M Controller Size (mm): light control voltage (25 ° C): < = 3.3V over-discharge protection voltage (25 ° C): < 10.8V over-discharge recovery voltage (25 ° C):> 10.8V overcharge protection voltage (25 ° C):> 15.0V over-voltage protection Voltage: 17.68V overvoltage recovery voltage: 14.7V float voltage (25 ° C): 13.4V ~ 13.7V back to normal charging voltage (25 ° C): 13.2V end of the normal charging voltage (25 ° C): 15.0V)
- 2021-04-22 17:08:48下载
- 积分:1
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metting
会议记录系统,使用C# + extjs + server(Conference recording system, the use of C#+ extjs+ server)
- 2013-07-27 20:34:59下载
- 积分:1
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Power-system-reliability-analysis
电力系统可靠性分析,清华大学出版 PDF版,系统讲解电力系统可靠性研究领域今年来取得的成果(Power system reliability analysis)
- 2012-03-28 21:48:31下载
- 积分:1
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Hohmann
典型的霍曼变轨算法,简单易懂,有清晰的注释(Hohmann orbit typical algorithm, easy to understand, there is a clear Notes)
- 2009-03-10 03:17:35下载
- 积分:1
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050308_fixed
风力发电机的模型,采用电力仿真软件设计,参数比较适合。(wind energy conversion system PSCAD)
- 2012-10-02 11:26:57下载
- 积分:1