快速储备下支持频率调节的高压直流输电链路虚拟惯性仿真

2018 2nd International Conference on Power, Energy and Environment: Towards Smart Technology (ICEPE) Pub Date : 2018-06-01 DOI:10.1109/EPETSG.2018.8659042

S. Debbarma, Chhandashree Hazarika, Ksh. Milan. Singh

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引用次数: 4

摘要

现代电力系统正从同步为主向逆变为主发展。这种转变会使电力系统的转动惯量减小，不可避免地危及频率的稳定性。为了在这种低惯性网格中提供短期惯性支持，需要进行一些调整。本文将同步功率控制器(SPC)策略应用于高压直流变流器的惯性仿真。它是一种无锁相环的电网同步概念。此外，目前的工作还侧重于设计一种新的策略，考虑到通信和快速响应储备的优势，如电池存储和需求响应，统称为快速行动储备(FAR)。FAR单元对监控系统测量到的任何功率不平衡作出反应。关键研究表明，基于SPC的高压直流链路在FAR的存在下，异常地改善了电网频率和功率响应的振荡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Virtual Inertia Emulation from HVDC Transmission Links to Support Frequency Regulation in Presence of Fast Acting Reserve

The modern power system is advancing towards inverter-dominated system from synchronous dominated power system. Such transition could diminish the rotational inertia of power system and inevitably jeopardize the frequency stability. Several adaptations are required to make to supply short term inertial support in such low inertia grid. In this paper, synchronous power controller (SPC) strategy is applied in HVDC converter for inertia emulation. It is a phase-locked loop less concept for grid synchronization. Besides, present work also focused on designing a new strategy considering the advantages of communication and fast responding reserves such as battery storage and demand response collectively termed as fast acting reserve (FAR). FAR unit reacts to any power imbalance measured by the monitoring system. Critical investigations reveal that SPC based HVDC links in presence of FAR improves exceptionally damp the oscillations in the frequency and tie power response of the grid.

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2018 2nd International Conference on Power, Energy and Environment: Towards Smart Technology (ICEPE)

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