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A novel sufficient differential criterion of current amplitude for distribution network with distributed generators

机译:带有分布式发电机的配电网电流幅值的新型充分差分准则

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This paper proposes a novel sufficient differential criterion of current amplitude for high penetration distribution network with distributed generators. Based on the analysis of current amplitude fault characteristic and its applicability in the distribution network with DGs, we derive the form of differential criterion of current amplitude and its improved criterion which enhances the sensitivity and reliability of protection. The criterion just needs current amplitude information without strict synchronization of data sampling so that it has better ability of anti- synchronization error. All the credibility was tested in the final simulation.
机译:本文提出了一种新的足够高的电流幅值微分准则,适用于具有分布式发电机的高渗透配电网。在分析了电流幅度故障特性及其在含配电网的配电网中的适用性的基础上,推导了电流幅度微分准则及其改进准则的形式,提高了保护的灵敏度和可靠性。该准则仅需要电流幅度信息,而无需严格同步数据采样,因此具有更好的抗同步误差能力。所有可信度均在最终仿真中进行了测试。

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