Improved Railway Static Power Conditioner Using C-type Filter in Scott Co-phase Traction Power Supply System

Habibolahzadeh, Mohammad; Roudsari, Hossein Mahdinia; Jalilian, Alireza; Jamali, S.

doi:10.1109/pedstc.2019.8697499

Cited by 5 publications

(8 citation statements)

References 17 publications

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“…Considering (35), the i ca_PC is decreased while there is no change in i cb_PC so that the load active current remains constant. Therefore, concerning (22), it is evident that grid-side currents will also remain constant.…”

Section: Principles Of Compensation Of Pc Methods With the Filtermentioning

confidence: 99%

“…Hence, a mathematical analysis process of using C-type and LCL filters is given by the transfer functions. The current divider transfer function is utilised to indicate grid-side harmonic suppression, loosely based on [35]. The 3D graphs are plotted by MATLAB considering Table 2 parameters and grid short-circuit powers.…”

Section: Harmonic Mitigation Analysis Of Proposed Structurementioning

confidence: 99%

“…where I sysh , I Lh , Z Ch and Z sysh represent the grid-side harmonic current, the load harmonic current, the grid-side impedance and the equivalent impedance of the C-type filter at harmonic frequencies, respectively. The Z Ch and Z sysh are as follows [35]: where grid-side parameters are selected as R sys = 0.01 Ω and L sys ϵ (12.83 mH, 77.03 mH). The amplitude-frequency response of Tc is drawn out considering the grid short-circuit powers from 500 to 3000 MVA, as shown in Figure 4a It can be seen that high-order harmonics caused by the traction load would be attenuated successfully below 0.09.…”

Section: Harmonic Mitigation Analysis Of Proposed Structurementioning

confidence: 99%

“…Despite all advantages of the HPQC, this compensator generates high-order harmonics in the grid-FIGURE 1 Proposed structure of HPQC co-phase system with LCL and C-type filters compared to conventional HPQC side currents. Some LCL and C-type filters in RPC co-phase electrified railway systems have been developed to mitigate such harmonics [35,36]. However, few studies have investigated the effect of high pass filters on the performance improvement of the HPQC.…”

Section: Introductionmentioning

confidence: 99%

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Using C‐type filter with partial compensation method for capacity reduction of hybrid power quality conditioner in co‐phase traction power system

Habibolahzadeh

Roudsari

Jalilian

et al. 2021

IET Power Electronics

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Hybrid power quality conditioner (HPQC) has been utilised in a co-phase electrified railway system with the aim of improving power quality indices. A C-type filter is designed as an auxiliary device alongside the HPQC for high-order harmonics mitigation in this paper. Alternatively, the C-type filter compensates a selected portion of load reactive power, while the HPQC compensates for the left required power. Furthermore, the HPQC mitigates grid side unbalance and other harmonics in a co-phase supplied system simultaneously. In addition, a design procedure of LCL filters is proposed to suppress high-order harmonic contents induced by the HPQC converters to achieve lower grid-side total harmonic distortion (THD). Moreover, a flexible partial compensation (PC) method considering the C-type filter effect on the HPQC performance is adapted to maintain the grid-side power quality indices in an acceptable range. The C-type filter and PC method provide VA rating reduction of the HPQC without applying any complication to the compensation control system. Finally, simulation and experimental results are presented to validate the feasibility and functionality of the proposed configuration.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Section: Principles Of Compensation Of Pc Methods With the Filtermentioning

confidence: 99%

Section: Harmonic Mitigation Analysis Of Proposed Structurementioning

confidence: 99%

Section: Harmonic Mitigation Analysis Of Proposed Structurementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Using C‐type filter with partial compensation method for capacity reduction of hybrid power quality conditioner in co‐phase traction power system

Habibolahzadeh

Roudsari

Jalilian

et al. 2021

IET Power Electronics

Self Cite

View full text Add to dashboard Cite

show abstract

“…Various algorithms for selecting C-type filters have been proposed in the literature [29][30][31][32][33][34]. However, the developed algorithms were verified mainly during computer simulations, and the selected parameters have never been tested in a real-world setting.…”

Section: Introductionmentioning

confidence: 99%

Selection of C-Type Filters for Reactive Power Compensation and Filtration of Higher Harmonics Injected into the Transmission System by Arc Furnaces

Lange

Redlarski

2020

Energies

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This article presents a method for selecting the elements of a C-type filter working with a conventional LC-type filter for compensating reactive power and filtering out higher harmonics generated by arc furnaces and ladle furnaces. The study was conducted in a steel mill supplied by a 110 kV transmission system, where higher harmonic currents and nonlinear loads were measured. A series of computer simulations were performed under various operating conditions, and an algorithm for selecting the parameters of a third-order C-type filter (for suppressing the second harmonic) and two second-order LC-type filters (for suppressing the third harmonic) was proposed. The filtering system was tested in an arc furnace with the highest rated power, and harmonics in the current spectrum were evaluated. The results of the measurements were used to analyze the effectiveness of the compensation system comprising two passive C-type and LC-type filters at different system configurations. C-type filters significantly influenced current harmonics. The influence of the changes in the number of arc furnace transformers on the true Root Mean Square (RMS) of the currents injected into the 110 kV transmission system and on the voltages of the 110 kV busbars was discussed.

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$$\Delta $$-Y Transformer-based Railway Co-phase Power System

P. Shayer,

A. Mulla

2024

Arab J Sci Eng

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Improved Railway Static Power Conditioner Using C-type Filter in Scott Co-phase Traction Power Supply System

Cited by 5 publications

References 17 publications

Using C‐type filter with partial compensation method for capacity reduction of hybrid power quality conditioner in co‐phase traction power system

Using C‐type filter with partial compensation method for capacity reduction of hybrid power quality conditioner in co‐phase traction power system

Selection of C-Type Filters for Reactive Power Compensation and Filtration of Higher Harmonics Injected into the Transmission System by Arc Furnaces

$$\Delta $$-Y Transformer-based Railway Co-phase Power System

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