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ProjExtend
中频感应加热以其加热效率高、速度快，可控性好及易于实现机械化、自动化等优点，已在熔炼、铸造、弯管、热锻、焊接和表面热处理等行业得到广泛的应用。
本设计根据设计任务进行了方案设计，设计了相应的硬件电路，研制了20KW中频感应加热电源。
本设计中感应加热电源采用IGBT作为开关器件，可工作在10 Hz～10 kHz频段。它由整流器、滤波器、和逆变器组成。整流器采用不可控三相全桥式整流电路。滤波器采用两个电解电容和一个电感组成Ⅱ型滤波器滤波和无源功率因数校正。逆变器主要由PWM控制器SG3525A控制四个IGBT的开通和关断，实现DC-AC的转换。
设计中采用的芯片主要是PWM控制器SG3525A和光耦合驱动电路HCPL-316J。设计过程中程充分利用了SG3525A的控制性能，具有宽的可调工作频率，死区时间可调，具有输入欠电压锁定功能和双路输出电流。由于HCPL-316J具有快的开关速度（500ns），光隔离，故障状态反馈，可配置自动复位、自动关闭等功能，所以选择其作为IGBT的驱动。
对原理样机的调试结果表明，所完成的设计实现了设计任务规定的基本功能。此外，为了满足不同器件对功率需要的要求，设计了功率可调。这部分超出了设计任务书规定的任务。(induction heating with high heating efficiency, speed and good controllability and easy to mechanization. the advantages of automation, in melting, casting, bending, forging, welding and surface heat treatment and other industries have been widely employed. According to the design tasks for the design of the program design, design corresponding to the hardware circuit, Development of 20 KW induction heating power. The design of induction heating power IGBT used as a switching device, which can work in 10 Hz- 10 kHz frequency band. It consists of rectifier, filter, and the inverter components. Controlled Rectifier not use the entire three-phase bridge rectifier circuit. 2 filter used an electrolytic capacitor and inductor components II-type filter and passive PFC. Inverter mainly by the PW)
- 2007-04-19 11:31:35下载
- 积分：1
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GetHostNameIP
一个有关获取主机名和IP地址的MFC程序，对于初学者来说很有帮助(For information about obtaining a host name and IP address of the MFC, very helpful for beginners)
- 2013-08-22 10:58:23下载
- 积分：1
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jfsky.com-20091210jywxxfsqydm
局域网消息发送器，请先运行Setup_ocx,注册控件。(LAN messaging device, please run Setup_ocx, registration control.)
- 2010-07-01 20:50:50下载
- 积分：1
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geizajf
vb+mo地理信息系统二次开发,实现数据查询,空间分析,动态跟踪,图形编辑,(Vb mo GIS secondary development, data query, spatial analysis, dynamic tracking, graphics editing,)
- 2018-12-03 16:01:03下载
- 积分：1
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IPMonitor
本程序可以用来监控本地网络，捕获一段时间内以本机为源地址或目的地址的IP数据包（不包括以广播形式发出的数据包），统计IP数据包的信息，列出本机与其他主机之间不同协议类型IP数据包的流量。(This procedure can be used to monitor the local network, capturing a period of time to this machine as the source or destination addresses of IP packets (including broadcast packets sent), statistics of IP packets, lists the machine with The flow of data packets IP between different protocol types in other hosts.)
- 2020-11-02 23:29:53下载
- 积分：1
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Network-Engineer-English-Vocabulary
网络工程师英语词汇表网络工程师英语词汇表网络工程师英语词汇表网络工程师英语词汇表(Network Engineer English Vocabulary
Network Engineer English Vocabulary
Network Engineer English Vocabulary
Network Engineer English Vocabulary
)
- 2013-11-04 20:01:04下载
- 积分：1
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NDK_demo2012
Network Development Kit is a set of simple classes for a client-server architecture. Network Development Kit is a set of simple classes for a client-server architecture.
- 2012-02-10 13:30:27下载
- 积分：1
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CPP_Socket
windows客户端与服务器之间的网络通信代码(windows between the client and server network communications code)
- 2013-07-11 23:32:54下载
- 积分：1
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port_scan
Visual C++案例开发集锦第六章\端口扫描程序的程序源码,值得一看！(Visual C++ case development highlights Chapter program source port scanner, worth a visit!)
- 2011-08-13 16:06:40下载
- 积分：1
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juyuwang
该程序简单介绍了如何创建局域网的C/S工作模式，简单可靠。(The simple procedure describes how to create LAN C/S mode, simple and reliable.)
- 2011-10-14 14:31:59下载
- 积分：1
