Harmonic Elimination of 25 kV AC Electric Railways Utilizing a New Hybrid Filter Structure

S Yousefi, MM Hosseini Biyouki, A Zaboli… - AUT Journal of …, 2017 - eej.aut.ac.ir
Thyristor rectifiers are widely used in electric railways in order to control the speed. As a
consequence of their usage in addition to substantial input lead current, an enormous …

Design of a new structure for hybrid filters to eliminate harmonics of 25 kV AC electric railways

S Yousefi, A Zaboli… - The 9th Power …, 2015 - ieeexplore.ieee.org
In electric railways, thyristor rectifiers are used in order to control the speed. As a
consequence in addition to substantial input lead current, an enormous amount of …

Design of Single-Tuned Harmonic Passive Filters for DC Electric Railway Traction Power Supply System

JE Chin, RHG Tan, JT Hau - 2021 Innovations in Power and …, 2021 - ieeexplore.ieee.org
The development of the electric railway system in Malaysia is growing rapidly since 1995.
The use of a twelve-pulse rectifier to convert AC to DC supply in TPSS will generate the 11 …

Power quality improvement of DC electrified railway distribution systems using hybrid filters

SH Hosseini, F Shahnia… - 2005 International …, 2005 - ieeexplore.ieee.org
DC Electrified railways play an important role for metropolitan public transportation because
of high efficiency, heavy ridership and fast transportation. However, the electrified railways …

[PDF][PDF] Harmonic current reduction in railway systems

M Popescu, A Bitoleanu… - WSEAS transactions on …, 2008 - academia.edu
This paper deals with the problem of harmonic mitigation solutions in a Romanian traction
substation which supplies a railway electric transportation line. The power line …

A harmonic voltage elimination in electric railway system using series active power filter

C Panpean, K Areerak… - 2022 25th International …, 2022 - ieeexplore.ieee.org
Harmonic distortion has been a big problem in railway electrification systems because high-
speed trains create harmonics in the distribution grids of railway electrification systems …

Design and application of a single‐tuned passive harmonic filter to suppress harmonic distortion and resonance for railway traction power systems—A case study

WH Ko, M Tuomainen - IET Electrical Systems in Transportation, 2022 - Wiley Online Library
The railway traction loads produce massive harmonics that are injected directly into the
traction power system. This causes serious waveform distortion in the supply voltage and …

[HTML][HTML] Harmonic mitigation of AC electric railway power feeding system by using single-tuned passive filters

K Kritsanasuwan, U Leeton, T Kulworawanichpong - Energy Reports, 2022 - Elsevier
Harmonic is an important factor affecting the quality of the power transmission system.
caused by non-linear loads and power conversion devices. In this research, several train …

New economical design of SVC and passive filters to improve power quality at railway substation: a case study

K Nikum, A Wagh, R Saxena, B Mishra - Journal of The Institution of …, 2019 - Springer
In electrified railways, harmonics and low power factor (PF) are typical power quality
problems. The traction system of 25 kV, single phase, 50 Hz that exists in India has been …

The Comparison of Three-Phase and Co-Phase Shunt Active Power Filters for Harmonic Elimination in AC Electric Railway Systems

T Trongjai, T Narongrit, K Areerak… - 2021 9th International …, 2021 - ieeexplore.ieee.org
This paper presents the comparison of harmonic elimination in AC electric railway system
using two different active power filters, a three-phase shunt active power filter (TP-SAPF) …