Results 71 to 80 of about 676 (185)

Voltage Security Analysis of VSC-HVDC Transmission Lines

open access: yesCoRR, 2019
Due to generation retirements and growth of renewable energy sources integration, there will be widespread changes in the real and reactive power flow in nowadays power systems. These changes also bring about challenges on system operation and stability.
Chen Wang 0044, Chetan Mishra
openaire   +2 more sources

Current-limiting characteristics of saturated iron-core fault current limiters in VSC-HVDC systems based on electromagnetic energy conversion mechanism

open access: yesJournal of Modern Power Systems and Clean Energy, 2018
A common method to examine the current-limiting performance of saturated iron-core fault current limiter (SI-FCL) in high-voltage direct-current transmission based on voltage source converter (VSC-HVDC) systems is to solve differential equations based on
Botong LI   +4 more
doaj   +1 more source

A Novel Ensemble Fault Diagnosis Model for Main Circulation Pumps of Converter Valves in VSC-HVDC Transmission Systems. [PDF]

open access: yesSensors (Basel), 2023
Zhou S   +9 more
europepmc   +1 more source

Wideband Oscillation Mechanism Analysis in VSC-HVDC Systems With Virtual Synchronous Machine in Master-Slave Mode

open access: yesIEEE Access
Virtual synchronous machine (VSM) has been applied in voltage source converter high voltage direct current (VSC-HVDC) system. This paper proposes a stability evaluation model for ‘rate of change of frequency-transient frequency excursion’ ...
Chang Li   +4 more
doaj   +1 more source

Comparative Analysis on Small-Signal Stability of Multi-Infeed VSC HVDC System With Different Reactive Power Control Strategies

open access: yesIEEE Access, 2019
Voltage Source Converter based High Voltage Direct Current (VSC HVDC) technology is used more and more in modern power systems. Consequently, in the ac network, an increasing number of converters are appearing in mutual electrical proximity, thus forming
Goran Grdenic   +2 more
doaj   +1 more source

A VSC-HVDC-Assisted Black-Start Strategy in Bulk Power Systems a Case Study in San Diego

open access: yesIEEE Open Access Journal of Power and Energy
With the worldwide growth in deploying high-voltage direct current (HVDC) transmission systems, their ability to facilitate black-start (BS) restoration has been a research topic of interest.
Xiaofei Wang   +4 more
doaj   +1 more source

The Area Comparison of LCC-HVDC and VSC-HVDC [PDF]

open access: yesScience Discovery, 2017
With the mature of high power IGBT, VSC-HVDC technique is gradually adopted in principle power grid with higher voltage and capacity. At present, it is generally considered that compared with traditional HVDC technique, VSC-HVDC will save lots of land resources. However, it is not always the case.
openaire   +1 more source

VSC-HVDC System Based on Multi-converters and Its Experimental Research

open access: yesKongzhi Yu Xinxi Jishu, 2013
It mainly introduced the working principle and converter mathematical model of VSC-HVDC, put forward a novel VSC-HVDC system based on multi-converters, and then analyzed its structure characteristics and control strategies in detail, finally built a set ...
DENG Ming   +5 more
doaj  

Oscillation stability analysis and mitigation method of photovoltaic field connected to the grid via VSC-HVDC

open access: yes电力工程技术
Photovoltaic field connected to the grid via voltage source converter based high voltage direct current (VSC-HVDC) transmission is an important trend in the future development of the power system, but there is a risk that the interaction between ...
DU Wenjuan, HAO Xiangkun, CHEN Jue
doaj   +1 more source

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