A novel modeling approach of negative-sequence current for electrified railway traction substation

S Yang, X Li, K Song, M Wu - International Journal of Electrical Power & …, 2019 - Elsevier
To analyze the negative effects caused by unbalanced traction loads, the key is to build an
efficient load model. This paper proposes a probabilistic traction load model in both …

Reliability assessment of the single motor drive of the belt conveyor on Drmno open-pit mine

S Štatkić, IB Jeftenić, MZ Bebić, Ž Milkić… - International Journal of …, 2019 - Elsevier
Reliable operation of controlled electrical drives is one of the standard requirements set as a
part of tender conditions and they must be met when designing technological systems in …

Reliability modeling and redundant design of MMC-HVDC converters considering direct-coupled sub-module correlations

D Wu, C Zhao, J Xu - 2019 4th IEEE Workshop on the Electronic …, 2019 - ieeexplore.ieee.org
Recently, the half-bridge (HB) and full-bridge (FB) sub-modules (SMs) based hybrid modular
multilevel converter (MMC) become a preferred topology for high voltage direct current …

Optimal reliability equivalence factor for reliability system improvement using memetic algorithm

Z Ramezani, A Pourdarvish… - … Journal of Reliability …, 2017 - World Scientific
In this paper, optimal reduction and redundancy methods for reliability system improvement
have been proposed. Multilevel redundancy allocation problem (MLRAP) based on hot and …

[PDF][PDF] Power Reliability Analysis of DC Traction Power Supply System: A Case Study of Addis Ababa Light Rail Transit

B Watuwa - ADDIS ABABA UNIVERSITY, 2019 - scholar.archive.org
ABSTRACT DC Railway Traction Power Supply System (TPPS) has been and is still widely
used world over for train propulsion especially in the urban areas and inter-urban regions …