Analysis of Variable Frequency Transformer used in Power Transfer between Asynchronous Grids

被引：0

作者：

Rahul, R. ^{[1
]}

Jain, Amit ^{[1
]}

Bhide, Ravindra ^{[2
]}

机构：

[1] Indian Inst Technol, Dept Elect, New Delhi, India

[2] GE India Technol Ctr, GE Global Res, Bangalore, Karnataka, India

来源：

IEEE INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, DRIVES AND ENERGY SYSTEMS (PEDES 2012) | 2012年

关键词：

Variable Frequency Transformer; weak grids; asynchronous interconnection;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The continued existence of geographical disparity between the generation and load centers forces us to go for grid inter connections, especially with the increase in load demand. Conventional grid inter-connection solutions include phase shifting transformers (PST) and back-back HVDC. The former cannot cater to asynchronous grids and can only give step wise variation, while the latter has restrictions to be used in weak grids. Variable frequency transformer (VFT) which is a new grid interconnection solution has been developed by General Electric, which can cater to inter connection of asynchronous grids and also provide continuously controllable power transfer between them. The VFT is being considered by many utilities as an alternative to back-back HVDC in certain installations or as a redundant system in parallel to HVDC to provide additional stability and damping. This work thoroughly analyzes the VFT, its operation, and principles of asynchronous power transfer by using MATLAB SIMULINK (R).

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页数：5

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