Impedance-Source DC Solid-State Circuit Breakers: An Overview

Saeed Rahimpour, O. Husev, D. Vinnikov
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引用次数: 1

Abstract

Comparatively to an ac grid, it is easy to integrate distributed energy sources when implementing a dc microgrid. In addition, the efficiency and the reliability of the dc microgrid systems are higher than those of the ac system. However, the protection of the dc microgrid system including interruption and isolation of short-circuit fault currents remains an important concern. The traditional mechanical and hybrid circuit-breakers for dc fault protection have the drawback of slow operation, which requires a high rating power equipment. Solid-State Circuit Breaker (SSCB) is an optimal solution for fast dc fault interruption. Among different SSCBs, Impedance-Source Circuit Breakers (ISCBs) benefit from automatic fault detection and clearance because of using thyristors. In this paper, ISCBs are classified into five categories. These circuit breakers are reviewed by explaining the performance of each and mentioning some of their merits and drawbacks.
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阻抗型直流固态断路器:综述
与交流电网相比,实现直流微电网更容易整合分布式能源。此外,直流微电网系统的效率和可靠性也高于交流系统。然而,直流微电网系统的保护,包括中断和隔离短路故障电流仍然是一个重要的问题。传统的机械式和混合式直流故障保护断路器存在动作慢、对额定功率要求高的缺点。固态断路器(SSCB)是快速直流故障中断的最佳解决方案。在不同的sscb中,阻抗源断路器(iscb)由于使用晶闸管而受益于自动故障检测和清除。本文将iscb分为五类。通过解释每个断路器的性能并提及它们的一些优点和缺点来审查这些断路器。
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