Title

Two-Photon Absorption Enhancement Of Polymer-Templated Porphyrin-Based J-Aggregates

Keywords

Compound control; high-speed railway; negative sequence compensation; two-phase three-wire converter

Abstract

This paper presents a negative sequence compensation system based on a novel two-phase three-wire converter to eliminate a negative sequence current for the high-speed railway traction power system with a three-phase V/V traction transformer. In this compensation system, the proposed two-phase three-wire converter is fed by two single-phase power sources formed with two step-down transformers connecting to the two feeder sections. The proposed converter contains three switch legs, one of which is connected to the common ground wire of two single-phase voltages. Hence, a switch leg is saved compared with two conventional single-phase converters, and the ratings of the power switches are not increased. In order to enhance the dynamic and steady-state performances of the compensation system, a compound control method composed of hysteresis control and dividing frequency control is presented. Simulation and experimental results are presented to demonstrate that the proposed compensator and its control strategy are very effective. © 2011 IEEE.

Publication Date

1-17-2012

Publication Title

Langmuir

Volume

28

Issue

2

Number of Pages

1515-1522

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1021/la203883k

Socpus ID

84855971478 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84855971478

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