New Functions of VSC Based HVDC Transmission Systems that Can Effectively Support the Future South-East European Grid with Low Inertia and Large Amount of Res Generation

B&H Electrical Engineering Pub Date : 2023-12-01 DOI:10.2478/bhee-2023-0017

Arman Derviškadić, Alberto Persico, Riccardo Passaglia, Gianluca Marras

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Abstract

Abstract The energy mix in South-East Europe is nowadays mainly composed by hydro and fossil fuels generation almost equally distributed in the share of electricity generation. Wind and solar PV generation play a very marginal role playing cumulatively less than 7% of the total generation, while fossil fuels exceed 52% of the total generation. A Multi-Terminal HVDC grid between the different countries in South-East Europe may provide various operational and socio-economic gains. In this paper are presented some grid specific challenges and explored some new functions of HVDC transmission systems based on VSC technology that can effectively support the grid with large amount of RES. The paper aims to explore how the VSC converters can improve the system’s voltage stability and provide the necessary frequency control when the inertia in the grid is very low and how the HVDC transmission system can accomplish transferring the primary and secondary reserves solving the rising problems related to dispatchability and inertia response in RES based power grids.

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基于 VSC 的高压直流输电系统的新功能，可有效支持未来具有低惯性和大量备用发电的东南欧电网

目前，东南欧的能源结构主要由水力发电和化石燃料发电组成，在发电份额中几乎平均分布。风能和太阳能光伏发电的作用非常小，累计不到总发电量的7%，而化石燃料发电量超过总发电量的52%。东南欧不同国家之间的多终端高压直流电网可以提供各种运营和社会经济收益。本文提出了一些电网特有的挑战，并探索了基于VSC技术的高压直流输电系统的一些新功能，这些功能可以有效地支持具有大量res的电网。本文旨在探讨VSC变流器如何在电网惯性很低的情况下提高系统的电压稳定性并提供必要的频率控制，以及高压直流输电系统如何实现一次和二次储备的转移基于可再生能源的电网的可调度性和惯性响应问题日益突出。

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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B&H Electrical Engineering

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