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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SG352
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用IGBT元器件进行的三相全控整流桥的仿真电路-Components used for the three-phase IGBT full bridge controlled rectifier circuit simulation
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基于Matlab/Simulink的三相桥整流器的故障仿真-Fault simulation of three-phase bridge rectifier
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针对三相桥式整流电路的谐波和无功功率的特点,提出几种滤波方案,并进行比较,最终确定了用有源滤波方案。对于有源滤波器,本论文从结构上比较后选用并联电压型有源滤波器。-The thesis introduces several kind of filter schemes, which is aimed at the harmonic characteristic of three-phase bridge rectifier circuit .After comparison,the thesi
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1. 设计的目的
从三相全控桥整流电路出发,通过利用matlab/simulink工具对仿真电路的参数设定以及分析,得到电路的工作原理以及所加入的触发脉冲控制方法以及PI调节方法。
-Designed to departure from the three-phase full-controlled bridge rectifier circuit parameter setting and analysis of simulation circuit by using matlab/s
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开环直流调速系统的仿真,主要由三相对称交流电压源、晶闸管整流桥、平波电抗器、直流电动机组成。-The simulation of the open-loop DC speed control system, mainly by the three-phase the symmetric AC voltage source, the thyristor rectifier bridge, smoothing reactors, DC motor.
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晶闸管三相桥式整流器的仿真(MATLAB20014)-The simulation of thyristor three-phase bridge rectifier
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三相桥式整流电路及有源逆变,听说名字要长?-Three-phase bridge rectifier circuit and active inverter
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三相桥式整流仿真模型,能够仿真,适合于初学者下载。-Three phase bridge rectifier simulation model, can simulate, suitable for beginners to download.
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三相桥式LR整流仿真模型,适合于初学者学习。-Three phase bridge LR rectifier simulation model, suitable for beginners to learn.
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三相桥式CR整流仿真模型,适合于初学者学习。-Three phase bridge CR rectifier simulation model, suitable for beginners to learn.
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三相桥式LCR整流仿真模型,适合于初学者学习。-Three phase bridge LCR rectifier simulation model, suitable for beginners to learn.
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三相桥式LCZ整流仿真模型,适合于初学者学习。-Three phase bridge LCZ rectifier simulation model, suitable for beginners to learn.
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Three phase controller bridge rectifier
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电力电子技术课程中的几个重要的matlab仿真程序,包括:单相全桥整流电路,三相全桥整流电路,十二脉波整流电路,PWM逆变电路等。对于学习电力电子技术课程十分有帮助。(Several important matlab simulation programs in the course of power electronics include single-phase full bridge rectifier circuit, three-phase full bridge rectifier
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基于PSCAD4.2平台的三相桥式全控整流电路仿真(Simulation of three phase bridge full controlled rectifier circuit based on PSCAD4.2 platform)
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三相桥式全控整流电路由整流变压器、6个桥式连接的晶闸管、负载、触发器等构成。采用双脉冲触发的方式。(The three-phase bridge full-control rectifier circuit consists of rectifier transformer, six bridge-connected thyristors, load, trigger, etc. Double pulse triggering is adopted.)
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