Comprehensive power swing detection by current signal modeling and prediction using the GMDH method
Power swing is an undesirable variation in power flow. This can be caused by large
disturbances in demand load, switching, disconnection or reclosing lines. This phenomenon …
disturbances in demand load, switching, disconnection or reclosing lines. This phenomenon …
Advanced signal analysis for high-impedance fault detection in distribution systems: a dynamic Hilbert transform method
V Gogula, B Edward - Frontiers in Energy Research, 2024 - frontiersin.org
This paper presents a novel approach for detecting high-impedance faults (HIF) in
distribution systems that uses the Hilbert transform. Our approach is based on determining …
distribution systems that uses the Hilbert transform. Our approach is based on determining …
Detection of power swing and blocking the distance relay using the variance calculation of the current sampled data
Power swings appear as a result of sudden addition or removal of heavy loads, switching,
cutoff of a parallel line, and reclosing. These swings can affect the protective zones of …
cutoff of a parallel line, and reclosing. These swings can affect the protective zones of …
An overview of power swing detection methods in distance relays and the factors involved
Nowadays, due to the simplicity of operation and proper coordination characteristics,
distance relays are being extensively used in the protection of power transmission lines …
distance relays are being extensively used in the protection of power transmission lines …
Improving the performance of differential relays in distinguishing between high second harmonic faults and inrush current
Differential relays have faced challenges such as failure to detect the inrush current,
inappropriate performance in high second harmonic faults, and maloperation when the …
inappropriate performance in high second harmonic faults, and maloperation when the …
An adaptive distance protection scheme considering fault resistance, injected current, and structural changes in the power system
M Mohtashami, AS Noghabi - IET Generation, Transmission & …, 2024 - Wiley Online Library
Faults in power systems occur for various reasons, such as aging or natural disasters.
Detecting, locating, and promptly clearing these faults is crucial for maintaining the safety …
Detecting, locating, and promptly clearing these faults is crucial for maintaining the safety …
Comprehensive analysis of the impact of the TCSC on distance relays in interconnected transmission networks
This article extensively investigates the calculations of the compensation factor of the
thyristor-controlled series compensator (TCSC), which are used to accurately evaluate the …
thyristor-controlled series compensator (TCSC), which are used to accurately evaluate the …
A new power swing detection method in power systems with large‐scale wind farms based on modified empirical‐mode decomposition method
High energy consumption around the world and concerns over climate change and high
greenhouse gas emissions have led to a significant increase in using renewable energy …
greenhouse gas emissions have led to a significant increase in using renewable energy …
A deep sequence-to-sequence model for power swing blocking of distance protection in power transmission lines
As the primary protection method for transmission lines, distance relays are prone to
malfunction during power swings. In fact, the inability of distance relays to differentiate …
malfunction during power swings. In fact, the inability of distance relays to differentiate …
A moving window numerical distance protection based on flat-top signal windowing
Considering the importance of the transmission lines, it is crucial to protect them against
different faults. The distance relay has been used as the main protection of power …
different faults. The distance relay has been used as the main protection of power …