نتایج جستجو برای: vsc hvdc

تعداد نتایج: 2761  

Journal: :Energies 2023

The increasing use of renewable energy sources in place conventional generation units is leading to a reduction onshore inertia and the development offshore wind park grids connected by multiple high-voltage direct current (HVDC) connections alternating (AC) grid. For AC-side meshed with voltage-source converter (VSC) diode rectifier unit (DRU) HVDC towards grids, this study focuses on energeti...

2005
Wil Kling Paola Bresesti Ivan Valadè Daniele Canever Ralph Hendriks

In this paper a detailed technical analysis is presented for connecting three different sizes of wind farms (100, 200 and 500 MW) considering three different transmission solutions: 150 kV AC, 400 kV AC and ±150 kV VSC-HVDC. After a brief overview of the features of the possible connection solutions, the related operational aspects have been evaluated. A comparative economical assessment is mad...

Journal: :Energy Engineering 2023

The voltage source converter based high direct current (VSC-HVDC) system is on converter, and its control more complex. Also affected by the fast of power electronics, oscillation phenomenon in wide frequency domain may occur. To address problem small signal stability VSC-HVDC system, a strategy designed to improve stability, risk reduced attaching damping controller optimizing parameters. Base...

Journal: :IEEE Transactions on Power Systems 2023

According to different partitioning styles, there exist impedance-based stability analysis methods for complex systems such as voltage source converter (VSC)-based high-voltage direct current (HVDC) systems. Thus, the determination of method is importance in analysis. However, how partition a system not paid much attention past. In this paper, problems are revisited and set practical principles...

Journal: :Sustainability 2022

Rising renewable penetration has accelerated the volatility and instability of power grid. A small-scale grid is especially vulnerable. Therefore, flexibility stability enhancement are required for grids. The interconnection with large-scale through voltage sourced converter-high direct current (VSC-HVDC) can be a solution to aforementioned problems. VSC-HVDC deliver bidirectionally change dire...

2016
Rian Fatah Mochamad Robin Preece

Model complexity may have a significant impact on transient stability results of mixed AC/DC systems. The dynamics of various mixed AC/DC models with a focus on different generator orders and multi-level modular converter (MMC) VSCHVDC model types is investigated within this paper. MMC VSC-HVDC converter models are based on average value model (AVM) and simplified AVM, while 2 nd , 3 rd and 6 t...

2008
Christian Dufour Vincent Lapointe Jean Bélanger

This paper presents a simulation model of a 3-level Neutral-Point Clamped IGBT inverter bridge suitable for realtime simulation testing. The model is switching-function based but also works in rectifying mode. Because of the large number of individual switches that compose such an inverter, the switchingfunction approach produces exceptional computational speed gain when compared to piecewise t...

Journal: :EKAIA Euskal Herriko Unibertsitateko Zientzi eta Teknologi Aldizkaria 2017

Journal: :Mathematical Problems in Engineering 2015

Journal: :International Journal of Control and Automation 2016

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