基于DVR的感應(yīng)電動機(jī)柔性快速再啟動方法
[Abstract]:The influence of residual voltage and the problem of restarting of induction motor after power loss are studied. A dynamic voltage restorer is proposed to compensate a "flexible voltage" in which the amplitude and phase change gradually, which ensures that the power supply voltage of the motor is equal to the residual voltage at the initial start of the motor, and then the amplitude increases gradually. The phase moves gradually up to the same voltage as the power supply, which enables the induction motor to restart quickly, while greatly reducing the impulse current and the impact torque during the restarting process. This paper presents a control method for tracking "flexible voltage" without static error. Through comparison and analysis, it is proved that the proposed control method is simple, reliable and fast, and through theoretical analysis and software simulation, The effectiveness of the proposed control method and the feasibility of the application of dynamic voltage restorer in induction motor restart are proved.
【作者單位】: 重慶大學(xué)輸配電裝備及系統(tǒng)安全與新技術(shù)國家重點(diǎn)實(shí)驗(yàn)室;
【基金】:中央高;究蒲袠I(yè)務(wù)費(fèi)專項(xiàng)資金資助項(xiàng)目(1061120-15CDJXY150005,CDJZR12150074)~~
【分類號】:TM346
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