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ABOUT A STABLE RUNNING OF AN ASYNCHRONOUS GENERATOR IN A STRUCTURE OF THE WIND POWER INSTALLATION


BERZAN VLADIMIR, ERMURACHI IURIE
POWER ENGINEERING INSTITUTE OF ACADEMY OF SCIENCE OF REPUBLIC MOLDOVA

Issue:

MOCM, Number 9, Volume II

Section:

Issue No. 9 - Volume II (2003)

Abstract:

The application of asynchronous generators in a structure of the wind power installations limits by poor quality of electrical energy deliverable to an autonomous customer. It is conditioned by variable wind speed and restricted technical feasibilities of regulation of a magnetic flux in the machine. In paper the conditions of self-excitation of a three-phase asynchronous generator with capacitive excitation are reviewed is executed under the autoinductive scheme of actuation of a generating winding and excitation winding. The conditions of steady excitation and stable operations of the generator are formulated at variable wind speed and at change of load. It is reached by stabilization of a current in a capacitive branch by regulation of value of an accessory active resistance live sequentially with capacitors.

Keywords:

asynchronous generator, winding generating, excitations, resonance, Q-factor, capacitance of excitation.

Code [ID]:

MOCM200309V02S01A0006 [0000974]


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