Review of energy system flexibility measures to enable high levels of variable renewable electricity

PD Lund, J Lindgren, J Mikkola, J Salpakari - Renewable and sustainable …, 2015 - Elsevier
The paper reviews different approaches, technologies, and strategies to manage large-scale
schemes of variable renewable electricity such as solar and wind power. We consider both …

多端直流输电与直流电网技术

汤广福, 罗湘, 魏晓光 - 中国电机工程学报, 2013 - epjournal.csee.org.cn
基于常规直流及柔性直流的多端直流输电和直流电网技术是解决中国新能源并网和消纳问题的
有效技术手段之一. 从对直流输电发展的背景分析入手, 概述了两端直流输电技术 …

柔性直流输电工程技术研究, 应用及发展

汤广福, 贺之渊, 庞辉 - 电力系统自动化, 2013 - epjournal.csee.org.cn
柔性直流输电作为新一代直流输电技术, 在世界范围内已经得到广泛发展和应用.
文中针对柔性直流输电在工程技术, 工程应用与未来发展3 个方面分别进行了总结和分析 …

未来高压直流电网发展形态分析

姚良忠, 吴婧, 王志冰, 李琰, 鲁宗相 - 中国电机工程学报, 2014 - epjournal.csee.org.cn
发展高压直流电网对大规模电能的远距离输送, 促进新能源的并网及消纳,
提高区域交流互联电网的安全稳定性具有重要意义. 该文首先综述了直流输电技术的最新研究 …

Smart grids

P Palensky, F Kupzog - Annual Review of Environment and …, 2013 - annualreviews.org
This review covers the current state of “smart” grid research and demonstration projects. At
present, smart elements are making their way into traditional electricity grid systems at every …

Second-order cone programming for optimal power flow in VSC-type AC-DC grids

M Baradar, MR Hesamzadeh… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a second order cone programming (SOCP) formulation of the optimal
power flow problem for AC-DC systems with voltage source converter (VSC) technology …

Modeling and analysis of VSC-based HVDC systems for DC network stability studies

G Pinares, M Bongiorno - IEEE Transactions on Power Delivery, 2015 - ieeexplore.ieee.org
A modeling approach is presented in this paper in order to investigate instabilities
originating from dc-network resonances in voltage-source converter HVDC (VSC-HVDC) …

Loss comparison of different sub-module implementations for modular multilevel converters in HVDC applications

T Modeer, HP Nee, S Norrga - EPE Journal, 2012 - Taylor & Francis
This paper presents a loss calculation and comparison between different submodule
topologies and semiconductor choices for a Modular Multilevel Converter in a 1.1 GW,±320 …

Main grid frequency support strategy for VSC-HVDC connected wind farms with variable speed wind turbines

TM Haileselassie, RE Torres-Olguin… - 2011 IEEE …, 2011 - ieeexplore.ieee.org
A wind farm (WF) connected by voltage source converter-based HVDC (VSC-HVDC) results
in a completelyinertia-less' in offshore AC grid. AC frequency is determined by control of the …

Unified reference controller for flexible primary control and inertia sharing in multi‐terminal voltage source converter‐HVDC grids

K Rouzbehi, W Zhang… - IET Generation …, 2017 - Wiley Online Library
Multi‐terminal dc (MTDC) grids are expected to be built and experience rapid expansion in
the near future as they have emerged as a competitive solution for transmitting offshore wind …