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一种改进的Z源直流断路器

更新时间:2020-06-18 02:07:43 大小:2M 上传用户:zhiyao6查看TA发布的资源 标签:直流断路器 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对现有Z源直流断路器可控性不足、故障检测能力有限等缺点,提出一种改进的Z源直流断路器拓扑结构。通过串入全控型IGBT元件以增加其外部可控性,采用Z源电容电流作为故障判据以增大其故障检测能力。最后,分析了Z源直流断路器的开关特性,并进行了PSCAD仿真试验,仿真结果与理论分析一致。

To the defects of poor controllability and limited fault identification capability of existing Z-source circuit breaker,an improved Z-source DC circuit breaker topology was presented.The external controllability of Z-source circuit breaker was increased by series fully controlled component IGBT.Z source capacitance current was used as a fault criterion to increase its fault detection capability.Finally,the switching characteristics of Z source DC circuit breaker were analyzed.The PSCAD simulation experiment was carried out and the results of simulation were consistent with the theory analysis.

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一种改进的Z源直流断路器.pdf 2M

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