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首页> 外文会议>IEEE Conference on Systems, Process and Control >New technique for decreasing of total harmonic distortion of three-phases bridge rectifier by using the method of harmonic injection
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New technique for decreasing of total harmonic distortion of three-phases bridge rectifier by using the method of harmonic injection

机译：谐波注入法降低三相桥式整流器总谐波畸变的新技术

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摘要

Bridge rectifier of three-phases is has widely applications in power systems. This rectifier consummates a wave form that has been shaped by a non-linear of the input current, though in the power system. The harmonic parts caused by such power electronic devices have critical effects on a number of aspects of power networks, particularly, on distribution. In accumulation, the value of Total Harmonic Distortion (THD) is high; it causes unwanted distortion on the sinusoidal figure of the wave for the input current. The outcomes propose a new circuit for a three-phase rectifier, making use of harmonic current injection method. The MATLAB software has been used to simulate the proposed circuit. A prototype has been developed to prove the actual results and compare them with the simulation results of the proposed circuit. The proposed circuit applies active harmonic current injection method with a capacitor bank, which, compared to conventional circuits, is not sophisticated. The model has been verified with feedback injection harmonic current to demonstrate the strength of the system. The evaluation of the simulation results and experimental outcomes from the prototype represents an unimportant difference. The proposed circuit has minimized the THD drawn from the input current supply down to 5.5%.
机译：三相桥式整流器在电力系统中有着广泛的应用。尽管在电源系统中，该整流器会产生一种波形，该波形已由非线性的输入电流来整形。由这样的电力电子设备引起的谐波部分对电力网络的许多方面，特别是对配电，具有至关重要的影响。在累积中，总谐波失真（THD）的值很高;对于输入电流，它会在波形的正弦图上产生有害的失真。结果提出了一种使用谐波电流注入方法的三相整流器新电路。 MATLAB软件已用于仿真所提出的电路。已开发出原型以证明实际结果，并将其与拟议电路的仿真结果进行比较。所提出的电路采用带有电容器组的有源谐波电流注入方法，与传统电路相比，该方法并不复杂。该模型已通过反馈注入谐波电流进行了验证，以证明系统的强度。对原型的仿真结果和实验结果的评估代表着不重要的差异。拟议的电路已将从输入电流源汲取的总谐波失真降至最低，降至5.5％。

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