Results 71 to 80 of about 757 (163)
Numerical Analyze Of Corona Discharge On Hvdc Transmission Lines
, 2015 This study and the field test comparisons were carried out on the Algerian Derguna – Setif transmission systems. The transmission line of normal voltage 225 kV is 65 km long, transported and uses twin bundle conductors protected with two shield wires of transposed galvanized steel.
H. Nouri +4 more
openaire +2 more sources
Sir Syed University Research Journal of Engineering and Technology, 2023 Recent developments in power semiconductor devices have made High Voltage Direct Current (HVDC) transmission systems the most crucial technology for future power systems. Today several HVDC projects have been commissioned around the world.
Muhammad Tarique Chachar +2 more
doaj
EnergiesHigh-voltage direct current (HVDC) transmission systems are increasingly used for long-distance power transmission and the integration of renewable energy sources. In such systems, outdoor insulators are exposed to combined electrical stresses, including
Julian Hanusrichter, Frank Jenau
doaj +1 more source
A Review On Hvdc Transmission Line Protection With Different Techniques
, 2016 This paper presents overview on methods which is used for locating faults on the HVDC transmission lines. Different methods like Distance Protection Method, Discrete Fourier Transform (DFT), Hilbert-Huang Transform Method, Independent Component Method, Fuzzy Logic Method, Wavelet Transform (WT), Natural Frequency Method, Artificial Neural Network (ANN)
Mr. Shrishail H. Patale +1 more
openaire +1 more source
Renmin ZhujiangIn the face of the increasingly severe peak shaving pressure on both sending and receiving power grids of the high voltage direct current (HVDC) of large-scale hydropower stations,a short-term optimal scheduling model that takes into account peak shaving
ZHOU Binbin +5 more
doaj
EnergiesA fault on the DC side of a flexible HVDC system, along with the rise in short-circuit current, develops rapidly. With the gradual expansion of flexible HVDC technology to large capacities and long-distance transmission and offshore transmission ...
Zhuoya Wang, Liangliang Hao, Zemin Wang
doaj +1 more source
An Approach to Protect Hvdc Transmission Line With Smart Detection
International Journal of Environmental SciencesThis paper proposes an approach to enhancing the protection of HVDC transmission lines through the integration of smart detection techniques. The proposed method leverages advanced monitoring systems, including sensors and real- time data analytics, to detect faults and anomalies with greater speed and accuracy.
Pramod Nilkanthappa Todkar +2 more
openaire +1 more source
Quantum Gyroscopic Stabilization for HVDC Transmission Lines
This paper presents a comprehensive quantum stabilizationsystem for ±800 kV HVDC transmissionlines, demonstrating 43.7 % improvement in transientstability with record 1.6 ➭s response time. The studyincludes experimental validation under various faultconditions, detailed comparison with existing methods,EMI resistance testing, and compliance ...
openaire +1 more source
MODELING AND SIMULATION OF VSC-HVDC WITH DYNAMIC PHASORS
Electrica, 2008 A novel dynamic phasors method to model voltage sources converter based HVDC (VSC-HVDC) transmission system is proposed in this paper. This approach is based on the time-varying Fourier series coefficients of the system variables, and focused on the ...
Wei YAO, Jinyu WEN, Shijie CHENG
doaj
Enhancing HVDC transmission line fault detection using disjoint bagging and bayesian optimization with artificial neural networks and scientometric insights. [PDF]
Sci RepYousaf MZ +5 more
europepmc +1 more source