Results 51 to 60 of about 6,244,921 (161)

Series Connection of LCC and Full Bridge MMC With DC Fault Ride‐Through Capability for Lightweight HVDC Transmission

Engineering Reports, Volume 8, Issue 4, April 2026.
In this work, we investigate a lightweight HVDC converter topology that combines the strengths of line‐commutated converters (LCC) and full‐bridge modular multilevel converters (MMC) to address the high cost and large footprint of conventional HVDC stations.
Yang Wang, Yuchao Zheng, Qian Wu, Linyuan Wang, Meng Ruan, Yixin Pan, Xiangjun Quan, Fei Zhang   +7 more
wiley   +1 more source

Phasor Dynamics of Thyristor-Controlled Series Capacitor Systems

, 1997
This paper develops simple but accurate continuous-time, large-signal dynamic models for a Thyristor-Controlled Series Capacitor (TCSC). The models are based on the representation of voltages and currents as time-varying Fourier series, and focus on the ...
STANKOVIC A. M., MATTAVELLI, PAOLO, VERGHESE G. C.   +2 more
core   +1 more source

Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects

High Voltage, Volume 11, Issue 2, Page 317-344, April 2026.
ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi, Hassan Moradi, Kumars Rouzbehi, Vijay K. Sood   +3 more
wiley   +1 more source

A discrete-time model of thyristor controlled series compensators

, 1995
The current trend in power systems is to use power electronic devices to enhance both system stability and power transfer limits. A recent point of interest is the use of thyristor control devices in series compensation of AC transmission lines.
Ghosh A., Arindam Ghosh, Gerard Ledwich, Ledwich G.   +3 more
core   +1 more source

High Voltage DC Active Current Injection to Simulate Geomagnetically Induced Currents in New Zealand

Space Weather, Volume 24, Issue 3, March 2026.
Abstract This study investigates the effects of geomagnetically induced currents (GIC) on New Zealand's electrical infrastructure via an intentional ground injection of direct current (DC) from a high voltage DC converter station. GIC manifests as quasi‐DC currents within power systems, potentially causing transformer saturation, increased reactive ...
Soren Subritzky, Andrew Lapthorn, Stewart Hardie, Paul Agger, Mike Dalzell, Mark A. Clilverd, Neil Cobbett, Ciaran Beggan, Juliane Hübert, Eliot Eaton, James B. Brundell, Craig J. Rodger   +11 more
wiley   +1 more source

Optimal Voltage Stability Improvement under Contingencies using Flower Pollination Algorithm and Thyristor Controlled Series Capacitor [PDF]

, 2018
Recent power systems necessitate for maintaining a safe voltage stability as the number of problems such as contingencies and reactive power insufficiency are increasing. In this paper, installation and sizing of Flexible Alternating Current Transmission
Abdul Hamid, Zulkiffli, Zulkiffli Abdul Hamid, Musirin, Ismail, Othman, Zulkifli, Zulkifli Othman, Muhammad Amirul Adli Nan, Adli Nan, Muhammad Amirul, Ismail Musirin   +7 more
core   +1 more source

A Hybrid Ultra‐High Voltage DC Transformer With Digital Twin‐Driven Operation and Control

Digital Twins and Applications, Volume 3, Issue 1, January/December 2026.
This study introduces a digital twin‐driven hybrid ultra‐high‐voltage DC transformer (UHVDCT) that combines high‐capacity LCCs with low‐capacity MMCs at the UHV side. This innovative topology reduces MMC requirements by 32.9% while ensuring stable power flow and dynamic reactive balance through real‐time virtual‐physical synchronization.
Ling Xu, Le Zhao, Xiaohu Zhang, Hanlin Guo, Jie Fang, Zheren Zhang, Zheng Xu   +6 more
wiley   +1 more source

An Adaptive Pulse‐Width Driving Method for Ultra‐Fast Mechanical Switches in DC Interruption Applications

IET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
This study introduces an adaptive speed control strategy for fast mechanical switches using an IGBT fully controlled driving circuit. The approach combines PWM‐based current shaping with an intelligent secant algorithm to regulate opening speed in real time without hardware changes.
Wei Li, Feiyang Yu, Xiangyu Zhang, Tianpeng He, Lei Qi   +4 more
wiley   +1 more source

DC offset removal of thyristor switched series capacitor and in a novel and simple method

, 2019
DC offset removal of thyristor switched series capacitor and in a novel and simple methodAs a DC offset is produced when each step of Thyristor Switched Series Capacitor (TSSC) come in and out operation, this DCoffset is analyzed and effective parameters
Mahdi Mansouri (7356812)
core   +1 more source

DAMPING SUB SYNCHRONOUS RESONANCE IN POWER SYSTEM USING TCSC and SVC

Al-Qadisiyah Journal for Engineering Science, 2018
hen the steam turbine-generator is connected with series of compensation along the transmission line, the sub synchronous resonance may happen. The Flexible Ac Transmission System (FACTS) controller of the devices wide use which has been used to reduce ...
Khalid A. Nabhar, Basim T. Kadhem
doaj