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Improving robustness against grid stiffness, with internal control of an AC voltage-controlled VSC.

机译:通过对交流电压控制的VSC进行内部控制,提高了抗电网刚度的鲁棒性。

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Voltage Source Converter-based transmission grids might be the future of power system with the increasing share of interfaced electricity generation. These systems should be able to support the utility grid autonomously. The present paper focuses on the VSC output filter design and internal control of filter states. Nested AC current and voltage loops are the state of the art for power converters, controlled as voltage sources, in Microgrid or UPS applications. These internal controls are candidates for future industrial implementation at high power level. However, in a VSC based transmission system, those controls will face various topologies while requiring robustness against transient events (load changes, line tripping, etc.). The following development aims at providing keys for designing a versatile internal control suitable for VSC-based transmission system.
机译:随着基于接口的发电份额的增加,基于电压源转换器的输电网可能是电力系统的未来。这些系统应该能够自主支持公用电网。本文着重于VSC输出滤波器的设计和滤波器状态的内部控制。嵌套的交流电流和电压回路是Microgrid或UPS应用中作为电压源控制的电源转换器的最新技术。这些内部控制是将来在高功率级别上实现工业应用的候选者。但是,在基于VSC的传输系统中,这些控件将面临各种拓扑,同时要求对瞬态事件(负载变化,线路跳闸等)具有鲁棒性。以下开发旨在为设计适用于基于VSC的传输系统的通用内部控制提供关键。

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