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Volume 12
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10.3390/en12173303
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Article

Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway

by
Minwu Chen
1,2,
Yinyu Chen
1,2,* and
Mingchi Wei
1,2
1
National Rail Transportation Electrification and Automation Engineering Technology Research Center, Chengdu 611756, China
2
School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
*
Author to whom correspondence should be addressed.
Energies 2019, 12(17), 3303; https://doi.org/10.3390/en12173303
Submission received: 25 July 2019 / Revised: 22 August 2019 / Accepted: 26 August 2019 / Published: 27 August 2019
(This article belongs to the Special Issue HVDC/FACTS for Grid Services in Electric Power Systems)
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Abstract

The severe power quality problems aroused by the single-phase 25-kV traction power supply system (TPSS), especially for the voltage unbalance (VU) and high-frequency harmonic resonance, have attracted increasing attention nowadays. In this paper, a novel hybrid power quality compensation system, including a power flow controller (PFC) and thyristor-controlled L and C-type filter (TCL-CTF), is proposed. The PFC can be used for VU compensation, and the TCL-CTF can be designed to filter out harmonics as well as compensate reactive power. Furthermore, an optimized compensation strategy is proposed, and the power quality of the TPSS can meet the requirements of the technology standard. Compared with the conventional scheme, the compensation capacity of the PFC can be reduced by 12%, as well as the cost. Finally, the effectiveness of the proposed system is verified by the simulation and experimental results.
Keywords: power quality; hybrid power quality compensation system; the thyristor-controlled L and C-type filter (TCL-CTF) power quality; hybrid power quality compensation system; the thyristor-controlled L and C-type filter (TCL-CTF)

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MDPI and ACS Style

Chen, M.; Chen, Y.; Wei, M. Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway. Energies 2019, 12, 3303. https://doi.org/10.3390/en12173303

AMA Style

Chen M, Chen Y, Wei M. Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway. Energies. 2019; 12(17):3303. https://doi.org/10.3390/en12173303

Chicago/Turabian Style

Chen, Minwu, Yinyu Chen, and Mingchi Wei. 2019. "Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway" Energies 12, no. 17: 3303. https://doi.org/10.3390/en12173303

APA Style

Chen, M., Chen, Y., & Wei, M. (2019). Modeling and Control of a Novel Hybrid Power Quality Compensation System for 25-kV Electrified Railway. Energies, 12(17), 3303. https://doi.org/10.3390/en12173303

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