DC short-circuit fault detection for MMC-HVDC-grid based on improved DBN and DC fault current statistical features

Y Liu, M Mao, Y Zheng, L Chang - CPSS Transactions on …, 2023 - ieeexplore.ieee.org
The fault current in a modular multilevel converter-based high voltage direct current grid
(MMC-HVDC-Grid) will rise rapidly when DC short-circuit fault (DCSCF) occurs, which poses …

Review of the Configuration and Transient Stability of Large-Scale Renewable Energy Generation Through Hybrid DC Transmission

X Tian, Y Chi, L Li, H Liu - CES Transactions on Electrical …, 2024 - ieeexplore.ieee.org
Based on the complementary advantages of Line Commutated Converter (LCC) and
Modular Multilevel Converter (MMC) in power grid applications, there are two types of hybrid …

Development process and analytical method of the pole‐to‐pole DC fault in the MMC‐MVDC system

BT Li, YC Liu, B Li, YK Zhang, JF Jia… - IET Power …, 2017 - Wiley Online Library
Rapid rise of current and sudden drop of voltage at the DC side caused by a pole‐to‐pole
DC fault in the modular multi‐level converter medium voltage direct current (MMC‐MVDC) …

Wavelet‐based EMTR method for fault location of VSC‐HVDC transmission lines

X Zhang, N Tai, X Zheng… - The Journal of Engineering, 2019 - Wiley Online Library
A wavelet‐based electromagnetic time reversal method for locating faults in voltage source
converter‐high‐voltage direct current (VSC‐HVDC) transmission lines is proposed in this …

A Capacitor-Based Active Clamp Type Hybrid DC Circuit Breaker

FAN **ngming, LI Tao, Z Sishun… - Power System …, 2024 - epjournal.csee.org.cn
A hybrid DC circuit breaker has both the static characteristics of the mechanical DC circuit
breaker and the dynamic characteristics of the solid-state DC circuit breaker. It has a faster …

A real-time power flow optimal control method for hybrid AC/DC power systems with VSC-HVDC

S Shaoqun, G Ruipeng, C Feng… - … Conference on Smart …, 2016 - ieeexplore.ieee.org
This paper proposes a real-time power flow optimal control method for hybrid AC/DC power
systems with VSC-HVDC (Voltage Sourced Converter based HVDC). Sufficiently considered …

[HTML][HTML] Analysis of an accident of abnormal increase in pole bus differential current caused by DC line faults

X Hu, H Li, Q Yao, K Chen, L Zhang, K Zhang - AIP Advances, 2023 - pubs.aip.org
This paper analyzes an accident of abnormal increase of pole bus differential current and
pole differential current of a converter station caused by line fault of a±800 kV extra high …

Study on the traveling wave differential protection and the improvement scheme for VSC-HVDC transmission lines

L Wang, Q Chen, C ** - 2016 IEEE PES Asia-Pacific Power and …, 2016 - ieeexplore.ieee.org
The traveling wave differential protection is an ideal main protection scheme of VSC-HVDC
transmission line which is flexible, reliable and immune to the distributed capacitive current …

Evaluation method for relay protection of flexible DC transmission system based on multi-source information of relay protection test

D Liu, L Liu, G **n, B Li, X Ren, M Lin, D Fan… - Electric Power Systems …, 2025 - Elsevier
Relay protection device is a key equipment to ensure the safe operation of flexible DC
transmission systems, and its performance determines whether the system can respond and …

The status and prospects of VSC-HVDC reliability research

S Fu, Y Xu, L Chen, X Chen, M Liu… - 2016 China …, 2016 - ieeexplore.ieee.org
The VSC-HVDC technology, as the third generation HVDC transmission technology, is
proactive and the most advanced transmission technology. The reliability of VSC-HVDC …