DC fault protection algorithms of MMC-HVDC grids: Fault analysis, methodologies, experimental validations, and future trends

W Xiang, S Yang, GP Adam, H Zhang… - … on Power Electronics, 2021 - ieeexplore.ieee.org
To protect the converters and minimize the power transmission interruption during dc line
faults, it is necessary to detect the faults at ultra high speed for the modular multilevel …

[HTML][HTML] A comprehensive review on the role of artificial intelligence in power system stability, control, and protection: Insights and future directions

I Alhamrouni, NH Abdul Kahar, M Salem, M Swadi… - Applied Sciences, 2024 - mdpi.com
This review comprehensively examines the burgeoning field of intelligent techniques to
enhance power systems' stability, control, and protection. As global energy demands …

MMC based MTDC grids: A detailed review on issues and challenges for operation, control and protection schemes

JA Ansari, C Liu, SA Khan - IEEE Access, 2020 - ieeexplore.ieee.org
For decades high voltage alternating current (HVAC) was considered as most economical
solution to transmit and deliver electric power. With the recent developments in power …

A survey of traveling wave protection schemes in electric power systems

F Wilches-Bernal, A Bidram, MJ Reno… - IEEE …, 2021 - ieeexplore.ieee.org
As a result of the increase in penetration of inverter-based generation such as wind and
solar, the dynamics of the grid are being modified. These modifications may threaten the …

A novel MODWT-based fault detection and classification scheme in VSC-HVDC transmission line

A Imani, Z Moravej, M Pazoki - Electric Power Systems Research, 2023 - Elsevier
This paper proposes a protection scheme according to the transient wavelet energy of DC
pole's current signals by using an illustrative signal processing technique called maximum …

Voltage and current measuring technologies for high voltage direct current supergrids: A technology review identifying the options for protection, fault location and …

D Tzelepis, V Psaras, E Tsotsopoulou… - IEEE …, 2020 - ieeexplore.ieee.org
After the occurrence of a DC-side feeder faults on HVDC transmission systems, protection
and fault detection systems are anticipated to minimize their onerous effects, by initiating …

A novel time-domain method for fault detection and classification in VSC-HVDC transmission lines

A Imani, Z Moravej, M Pazoki - International Journal of Electrical Power & …, 2022 - Elsevier
The short circuit fault current is one of the worst contingencies in voltage source converter
(VSC)-based high voltage direct current (HVDC) system. Therefore, having a fast, robust …

DC microgrid: a comprehensive review on protection challenges and schemes

K Kant, OH Gupta - IETE Technical Review, 2023 - Taylor & Francis
The development of microgrids can prove to be a game changer in the realization of future
smart grids. The increasing trends of automation in domestic loads and smart homes have …

Non-unit protection for HVDC grids: An analytical approach for wavelet transform-based schemes

V Psaras, D Tzelepis, D Vozikis… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Speed and selectivity of DC fault protection are critical for High-Voltage DC (HVDC) grids
and present significant technical and economic challenges. Therefore, this paper proposes …

A pilot protection scheme for transmission lines of half-bridge MMC-HVDC grids using cosine distance criterion

M Farshad - IEEE Transactions on Power Delivery, 2020 - ieeexplore.ieee.org
One of the major challenges in half-bridge modular multilevel converter-based high-voltage
dc (MMC-HVDC) grids is the rapid detection and isolation of short-circuit faults before …