DIDATIC PROCEDURES TO CONNECT AN INDUCTION GENERATOR IN THE GRID

Falcondes José M. Seixas, Francisco Carlos Vieira Malange, Claudiner Mendes de Seixas, Carlos De Souza Moraes Neto, Priscila da Silva Oliveira

Abstract


DOI: 10.14684/intertech.13.2014.95-99

This paper explains the connection of a squirrel cage type machine, working as a generator, connected directly to the electrical grid, using a DC motor as the primary source. A didactic procedure is used to clarify the mechanism that the induction machine change energy between two sources. The theoretical part explains the three-phase induction machine, emphasizing the power vs. speed curve. The experimental part consists in the acceleration of the induction machine, as a motor, up to near synchronous speed. At this moment, the DC motor is ready to accelerate the induction machine above the synchronous speed, highlighting the moment as the machine change from motor to generator. Some tables, curves and waveforms are presented to show the transition between motor and generator and confirm the success of the proposed didactic procedure. Index Terms - Grid connected, Induction generator, Induction machine, Matlab, Squirrel cage.


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This work is licensed under a Creative Commons Attribution 3.0 License.

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ISSN 2317-4382

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