BULLETIN of the

POLISH ACADEMY of SCIENCES

TECHNICAL SCIENCES

BULLETIN of the POLISH ACADEMY of SCIENCES: TECHNICAL SCIENCES
Volume 57, Issue 4, December 2009

Power Electronics in Renewable Energy Systems

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pp 317 - 322

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Cooperation of induction squirrel-cage generator with grid connected AC/DC/AC converter

A. SIKORSKI and A. KUZMA
The paper presents a squirrelcage induction machine operating as a generator principally designed for use in small wind and hydroelectric power stations. The main advantages of such a generator are its high reliability, low price and costs of operation and maintenance. The asynchronous generator coupled to the grid through the AC/DC/AC converter is capable of generating energy even at low turbine speed. The results of investigations on the AC/DC and DC/AC converters controlled by linear and nonlinear current regulators are also discussed.
Key words:

asynchronous generator, AC/DC/AC converter, PWM method of control, nonlinear method of control.


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Copyright ® Bulletin of the Polish Academy of Sciences: Technical Sciences

January 2010