Grid Connection of a Converter Controlled Squirrel-Cage Induction Generator

被引：0

作者：

Gorski, Dominik Andrzej ^{[1
]}

Balkowiec, Tomasz ^{[1
]}

Koczara, Wlodzimierz ^{[1
]}

机构：

[1] Warsaw Univ Technol, Inst Control & Ind Elect, Warsaw, Poland

来源：

2018 7TH INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS (ICRERA) | 2018年

关键词：

squirrel-cage induction generator; NPC converter; grid connection; reactive current source; WIND TURBINE; STRATEGY; SYSTEM; SPEED;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The paper presents a grid connection process of a converter controlled squirrel-cage induction generator driven by an uncontrolled speed prime mover. The main goal of the described method is to decrease an inrush current during a grid connection of an induction generator. The converter is used for a build-up process of a generator voltage and afterwards for a synchronization of the generator voltage with the grid voltage. The synchronization process is made by loading the induction generator with the brake-choppers, connected to the DC-link of the NPC converter. When the squirrel-cage induction generator is connected to the grid, the power electronic converter works as a reactive current source to satisfy the reactive power demand of the generator. The tests have been performed in the laboratory setup with a 7.5 kW induction generator and 8.0 kVA power transformer.

引用

页码：348 / 353

页数：6

共 23 条

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