Static power conditioner using GTO converters for AC electric railway

Mochinaga, Yoshifumi; Hisamizu, Yasuji; Takeda, Masatoshi; Miyashita, Takeshi; Hasuike, K.

doi:10.1109/pccon.1993.264181

Cited by 76 publications

(23 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[11] One converter can be used for rectification absorbing active power (P a -P b )/2 to maintain the dc-link voltage, while the other one is used for inversion releasing energy for dc-link capacitor to provide the train with active power . In this way they can transfer the active power and correspondingly output the reactive power and reference currents for compensation of NSC and harmonic compensation.…”

Section: A Implementation Of Compensation Principlementioning

confidence: 99%

A fuzzy controller based railway static power conditioner for AC traction

Joseph

Thomas

2013

2013 International Conference on Advanced Computing and Communication Systems

View full text Add to dashboard Cite

The growing complexity of the electrified railway systems in terms of both new technologies and automation requires a careful control of power quality disturbances they cause; the disturbances depend upon the traction system structure. It creates power quality issues in the grid. Negative sequence and harmonic currents have become the main issues in high speed train traction systems. Railway static power conditioner (RPC) has been developed to mitigate the power quality issues. V/V traction transformer has been used for power supply to the traction. A Fuzzy Controller based comprehensive technique for compensation of negative sequence and harmonic currents have been discussed. RPC is a back to back connected converter with a dc link. The controller also provides a constant dc link voltage and thus helps in the compensation of power quality problem. Thus the control technique improves the power quality in railway traction.

show abstract

Section: A Implementation Of Compensation Principlementioning

confidence: 99%

A fuzzy controller based railway static power conditioner for AC traction

Joseph

Thomas

2013

2013 International Conference on Advanced Computing and Communication Systems

View full text Add to dashboard Cite

show abstract

“…Based on power electronic technology, we can also install active power filter equipment along with a step‐down transformer to realize the dynamic compensation of harmonic current , such as the method of using two ‘back to back’ single‐phase full bridge converters and a power quality compensation system composed of a three‐phase voltage source converter and a thyristor switching capacitor. For the methods mentioned above, high‐power switching devices and step‐down transformers are required, leading to the complexity of the system and large capacity of the active part, which are difficult to be applied in project .…”

Section: Introductionmentioning

confidence: 99%

A novel locomotive auxiliary converter control strategy with harmonic suppression for avoiding resonance voltage accidents in an electrified railway

Yang

Lin

et al. 2019

IEEJ Transactions Elec Engng

View full text Add to dashboard Cite

In recent years, the AC-DC-AC electric locomotives have been wildly applied in electrified railways, deteriorating the current quality of network. Therefore, filters in electrified railways are essential. However, considering the volume and weight of filters, it is inappropriate to install them on locomotives. And resonance accident caused by high-frequency harmonics is hard to suppress because of the low switching speed of high-power Si-based devices. In this article, a novel locomotive auxiliary converter control strategy with harmonic suppression function is proposed to filter harmonic currents injected into the traction supply network. By controlling the auxiliary converter, the strategy could complete the function of rectification and filtering, converting power for auxiliary equipment, filtering the harmonic current, and suppressing resonance accidents with the high-frequency characteristics of SiC devices. For compensating high-frequency harmonics, the parameters of main circuit and control scheme are analyzed to ensure a stable system. The feasibility of the scheme is verified by simulation and RT-LAB hardware-in-loop experiment.

show abstract

“…Therefore, many topologies such as high-voltage, large-capacity SVC, APF and DSTATCOM were proposed to obtain a comprehensive compensation package for the negative sequence, harmonic and reactive power in electrified railway [5][6]. Japanese scholars in 1993, proposed a the electrified railway power regulator (Railway Static Power Conditioner, RPC) notion in the literature [7][8] that RPC based on the switching devices is connected between two secondary output phases of traction transformer. But the capacity of RPC is large and cost too much.…”

Section: Introductionmentioning

confidence: 99%

Negative-sequence current compensation of power quality compensator for high-speed electric railway

Fang

Xiao

2014

2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific)

View full text Add to dashboard Cite

In order to solve the power quality problem of high-speed electrified railway at 350km/h, this paper presents a new type of power quality compensation system, which is mainly made of railway regulator RPC, two sets of thyristorcontrolled reactor and two sets of thyristor-controlled 3 rd filter. The RPC is only used to transfer active power. The thyristorcontrolled 3 rd filters are used to suppress 3 rd harmonic current and change the phase angle of power supply current. The thyristor-controlled reactors are as the same used to change the phase angle of power supply current. The proposed power quality compensator has small capacity and low cost. The working principle of negative sequence current compensation of the proposed power quality compensator is analysis. The simulation results have verified the correctness of the theoretical analysis in this paper, and the proposed power quality compensation system can reduce the capacity of the active part and have a good performance at negative sequence compensation.

show abstract

Static power conditioner using GTO converters for AC electric railway

Cited by 76 publications

References 1 publication

A fuzzy controller based railway static power conditioner for AC traction

A fuzzy controller based railway static power conditioner for AC traction

A novel locomotive auxiliary converter control strategy with harmonic suppression for avoiding resonance voltage accidents in an electrified railway

Negative-sequence current compensation of power quality compensator for high-speed electric railway

Contact Info

Product

Resources

About