Current injection based front-end power quality improved converter for telecom load

Saravana Prakash, P. ; Kalpana, R. ; Singh, Bhim ; Bhuvaneswari, G. (2016) Current injection based front-end power quality improved converter for telecom load In: International Conference on Sustainable Green Buildings and Communities (SGBC), 18-20 Dec. 2016, Chennai, India.

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Official URL: http://ieeexplore.ieee.org/document/7936091/

Related URL: http://dx.doi.org/10.1109/SGBC.2016.7936091

Abstract

In this paper a front-end converter having third harmonic current injection technique is used for improving input current shape as near sinusoidal. Here zig-zag transformer is used as the current injection device so that the advantages pertaining to zig-zag transformer is utilized effectively. The third harmonic current injection device along with the three-level boost converter at the output stage will increase the dc-link voltage and the current is injected through zig-zag transformer. The power quality is well improved using third harmonic current modulated front-end structure which is very well applicable to telecom load having the high current low voltage. Extensive simulation is carried out for the 12 kW load and the results are verified through experimental setup. The experimental setup is tested for reduced voltage rating and the test results are presented.

Item Type:Conference or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
Keywords:Front-End PFC Rectifiers; Three-Level Boost Converter; Current Injection; Zig-Zag Transformer; Telecom Power Supplies; Power Quality; THD
ID Code:110137
Deposited On:04 Aug 2017 11:40
Last Modified:04 Aug 2017 11:40

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