本文選題：直流電網(wǎng) + 環(huán)網(wǎng)　； 參考：《電力系統(tǒng)自動(dòng)化》2017年04期

【摘要】：直流潮流控制器能夠有效提升環(huán)網(wǎng)式直流電網(wǎng)的潮流控制自由度,解決直流電網(wǎng)部分線路潮流不可控問(wèn)題。針對(duì)現(xiàn)有直流潮流控制器應(yīng)用場(chǎng)合的局限性,基于電容線間能量交換的思路,提出一種新型直流潮流控制器拓?fù)?并對(duì)其工作原理和運(yùn)行特性進(jìn)行了深入研究。基于新型潮流控制器的多種運(yùn)行狀態(tài),設(shè)計(jì)了基于脈寬調(diào)制(PWM)的控制策略,并以其中一種運(yùn)行狀態(tài)為例,研究了各狀態(tài)變量之間的關(guān)系。最后,在電磁暫態(tài)仿真軟件中搭建等效三端直流環(huán)網(wǎng)模型,驗(yàn)證了所提出的直流電網(wǎng)潮流控制器拓?fù)浞桨概c控制策略的可行性與有效性。
[Abstract]:DC power flow controller can effectively enhance the degree of freedom of power flow control in the loop DC network and solve the problem of uncontrollable power flow in some lines of DC network. In view of the limitations of current DC power flow controllers, a new DC power flow controller topology is proposed based on the idea of energy exchange between capacitor lines, and its working principle and operating characteristics are studied in depth. A control strategy based on pulse width modulation (PWM) is designed based on a variety of running states of a new power flow controller. Taking one of the states as an example, the relationship between the state variables is studied. Finally, an equivalent three-terminal DC loop network model is built in the electromagnetic transient simulation software, which verifies the feasibility and effectiveness of the proposed topology scheme and control strategy of DC power flow controller.
【作者單位】： 中國(guó)科學(xué)院大學(xué)電子電氣與通信工程學(xué)院;中國(guó)科學(xué)院電工研究所;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(51607171)~~
【分類號(hào)】：TM721.1;TM76

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