Analysis and Realization of Phase-Controlled Rectifier With Phase Sequence and Phase Self-Adaption 相序相位自适应相控整流器原理分析及实现
Generally, the traditional adjustable DC voltage is completed by using phase-controlled rectifier. 传统的可调直流电压,一般均采用相控整流器来完成。
Compared with the traditional digital phase-controlled rectifier, this method does not increase cost, and it adapts to any load impedance. 本方法相对传统数字相控整流器不增加成本,并且由于去掉了同步变压器而降低设备造价,尤其是适用于任意负载阻抗,并在若干产品中得到应用。
By using the algorithm, phase-controlled rectifier with phase sequence and phase self-adaption is designed, which is used in a motor drive device. 最后根据该算法设计了相序相位自适应相控整流器,并用于电机调速装置中。
Phase-controlled rectifier technique is adopted to control the rectifier. 对于整流器的控制方法仍然采用相控整流技术。
Analysis of phase-controlled rectifier harmonic and feeder protect-action 相控整流谐波和馈线保护动作分析
We introduce the principles of Phase-controlled rectifier briefly, compile corresponding software and show the results and waveform of our experiments. 文中简单介绍了8K车辅助逆变器工作原理,并编写了相应的软件,给出实验结果及实验波形。
Three-phase voltage type PWM rectifier compared to the conventional diode-controlled rectifier or thyristor phase-controlled rectifier has the advantages of the sine of the net measured current, unity power factor, energy flow in both directions, the system can run in four quadrant. 三相电压型PWM整流器相对于传统的二极管不控整流或者晶闸管相控整流具有网测电流正弦化、单位功率因素、能量双向流动、系统可四象限运行等优点。
In the early multi-SCR ( SCR) phase-controlled rectifier has been replaced by the basic for the high-frequency switch rectifier. 在早期多采用可控硅(晶闸管)相控整流器,现已基本为高频开关整流器取代。
Pulse-width modulation ( PWM) rectifier, compared to the traditional non-controlled or phase-controlled rectifier, has the advantages of higher power factor, lower harmonic pollution and smaller size, is an important academic and industrial research area in power electronics field. 脉宽调制(PWM)整流器,相比于传统的不控或相控整流器,有着功率因数高,谐波污染小,体积小等优点,是电力电子学术界和工业界的重要研究对象。
At present, the rectifier that is widely used in China is non-controlled rectifier or the phase-controlled rectifier, which has the disadvantage of existing low power factor in the grid side when being deep controlled and having larger interference on the grid and other electrical equipment. 目前,我国广泛使用的整流方式通常为不控整流和相控整流方式,存在深控时电网侧的功率因数低,对市电电网和其他用电设备有较大的干扰等缺点。
At present, diode rectifier circuits and thyristor phase-controlled rectifier circuits are applied to a large number of converter equipments which inject a lot of harmonic into the grid and result in severe grid pollution. 目前,很大一部分变流装置广泛采用了二极管整流电路或晶闸管相控整流电路,对电网注入了大量谐波,造成了严重的电网污染。
With the development of the electronic semiconductor devices and soft-switching technology, high-power switching power supply has been widely applied, and it shows a distinct advantage in efficiency, size, weight, power factor, response speed, etc. compared to the traditional phase-controlled rectifier power supply. 随着电力电子半导体器件和软开关技术的发展,大功率开关电源得到了广泛的应用,与传统的相控整流电源相比,它在效率、体积、重量、功率因数、响应速度等方面优势显著。