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Research on a Novel Input-Parallel Output-Series Connected HVDC Converters(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2012年01期
Page:
1-4
Research Field:
Publishing date:

Info

Title:
Research on a Novel Input-Parallel Output-Series Connected HVDC Converters
Author(s):
Wang Jin1; Chen Xi2; Xiao Lan2
1.College of Automation,Nanjing University of Post and Telecommunications,Nanjing 210046,China
Keywords:
Input-parallel output-series; DC transformer; power regulation module; series resonant phase-shifted full bridge converter
PACS:
TM46
DOI:
-
Abstract:
Aiming at the applicational requirements of DC electrical transmission，the paper proposes a modular inputparallel output-series connected converter topology for HVDC transmission system． Main circuit topologies and control methods are analyzed． The proposed structure has the following features: a) power is transferred mainly by DC transformers， b) the output power is regulated by series resonant phase-shifted full bridge converters which are based on current closed-loop control，c) both DC transformers and power regulation modules are operating at constant frequency，d) modularization structure is flexible． The simulation and experimental results verify the effectiveness of the proposed structure．

References:

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［2］Ayyanar R，Giri R，Mohan N． Active input-voltage and load-current sharing in input-series and output-parallel connected modular DC-DC converters using dynamic input-voltage reference scheme［J］． IEEE Transactions on Power Electrionics，2004，19 ( 6) : 1 462-1 472．
［3］Giri R，Choudhary V，Ayyanar R，et al． Common-duty-ratio control of input-series connected modular dc-dc converters with active input voltage and load current sharing［J］． IEEE Transactions on Industry Applications，2006，42( 4) : 1 101-1 111．
［4］陈武，阮新波，颜红． 多变换器模块化组合系统［J］． 电工技术学报，2009， 24( 6) : 56-61． Chen Wu，Ruan Xinbo，Yan Hong． Modularization structure for series—parallel connected converters［J］． Transactions of China Electrotechnical Society，2009， 24( 6) : 56-61． ( in Chinese)
［5］Grbovic P． Master /slave control of input-series-and output-parallel-connected converters: Concept for low-cost high-voltage auxiliary power supplies［J］． IEEE Transactions on Power Electronics，2009，24( 2) : 316-328．
［6］张先进，陈杰，龚春英． 直流变压器研究［J］． 高电压技术，2009，35( 5) : 1 144-1 149． Zhang Xianjin，Chen Jie，Gong Chunying． Research on DC/DC transformer［J］． High Voltage Engineering，2009，35 ( 5) : 1 144-1 149． ( in Chinese)
［7］Vandelac J P，Ziogas P D． A DC/DC PWM series resonant converter operated at resonant frequency［J］． IEEE Transactions on Industrial Electronics，1988，35( 3) : 451-460．

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Last Update: 2013-03-11