Results 21 to 30 of about 27,613,404 (277)
A Novel Control Strategy for AC Fault Ride Through in Multi-terminal DC System
发电技术, 2022 This paper proposed a novel control strategy-coordinated DC voltage control (DCVC)-to enhance the AC fault ride through capability of multi-terminal high voltage direct current (HVDC) system.
YANG Zhou +3 more
doaj +1 more source
南方能源建设, 2023 [Introduction] In order to improve the flexible fault ride through (FFRT) capability of semi-direct drive wind power system, this paper proposes an improved grid-side control strategy with reactive power priority.
Jiangtao GUO, Shuo CHEN, Liling HUANG
doaj +1 more source
Energy Reports, 2022 A high proportion of new energy sources are connected to the grid, which not only alleviates the energy shortage, but also brings hidden dangers to the safe and stable operation of the grid. Aiming at the inadequate consideration of uncertainty caused by
Yuhong Zhu +5 more
doaj +1 more source
Analysis of Transient Voltage-Frequency Dynamic Coupling Mechanism of High-Proportion Renewable Energy Sending End System Under Commutation Failure Faults [PDF]
Dianli jianshe[Objective] Aiming at the new challenge of unclear transient voltage and system frequency operation risks faced by sending-end power systems with a high proportion of renewable energy after commutation failure， this paper reveals the dynamic coupling ...
GAO Shang, YIN Chunya, LIU Wan, LI Xiaozhu, HAN Lu, ZHANG Gaohang
doaj +1 more source
International Journal of Electrical Power & Energy Systems, 2021 Abstract To deal with the DC-link overvoltage during high-voltage ride-through (HVRT) of the wind turbine, a coordinated DC-link voltage control (CDVC) scheme is proposed for enhancing the HVRT performance of offshore doubly-fed induction generator (DFIG) wind turbines equipped with the supercapacitor energy storage system (SESS).
Wei, Juan +5 more
openaire +2 more sources
A magnetically isolated gate driver for high-speed voltage sharing in series-connected MOSFETs [PDF]
, 2011 A scalable resonant gate drive circuit is described, suitable for driving series-connected MOSFETs in high-voltage, high-speed inverter applications for resistive and capacitive loads.
McNeill, Neville +4 more
core +3 more sources
High Voltage Ride Through Strategy For DFIG Considering HVDC System Converter Blocking
CoRR, 2019 This paper presents a P-Q coordination based high voltage ride through (HVRT) control strategy for double fed induction generators (DFIGs) based on a combined Q-V control and P-V de-loading control. The active/reactive power injection effect of DFIG on transient overvoltage is firstly analyzed and the reactive power capacity evaluation of DFIG ...
Changping Zhou +3 more
openaire +2 more sources
Improving low voltage ride-through using super capacitor at the DC link of Doubly-Fed Induction Generator based wind turbine [PDF]
, 2015 This paper presents a simple methodology to improve the low voltage ride-through (LVRT) capability of Doubly Fed Induction Generator (DFIG) based wind turbines in order to ride through higher voltage sags and durations.
Ahmed M. A. Haidar +6 more
core +1 more source
A hybrid multilevel converter for medium and high voltage applications [PDF]
, 2010 This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled +4 more
core +3 more sources
Energies, 2022 With the increase of photovoltaic penetration rate, the fluctuation of photovoltaic power generation affects the reliability of ship power grids. Marine PV grid-connected systems with high penetration rates should generally have a low voltage ride ...
Shihao Wang +3 more
doaj +1 more source