A New Wind Turbine Generating System Model for Balanced and Unbalanced Distribution Systems Load Flow Analysis

[...]of this, instead of variable speed induction generators, CFSIGs are preferred and are generally connected to low or medium voltage distribution networks directly. In addition to this, the need for a solution for complex phase currents/voltages brings extra computational complexity for power flo...

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Bibliographic Details
Published in:Applied sciences 2018-04, Vol.8 (4), p.502
Main Authors: Koksoy, Ahmet, Ozturk, Onur, Balci, Murat, Hocaoglu, Mehmet
Format: Article
Language:English
Subjects:
Alternative energy sources
Computer applications
Distribution management
distribution systems
Electric potential
Energy resources
Engineering
Equivalent circuits
Fossil fuels
Generators
Induction generators
International conferences
Load
Load distribution
Power flow
Power sources
Radial distribution
Reactive power
Renewable resources
Stress concentration
Studies
Turbines
Unbalance
unbalanced conditions
Voltage
wind energy
Wind power
Wind speed
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Summary:[...]of this, instead of variable speed induction generators, CFSIGs are preferred and are generally connected to low or medium voltage distribution networks directly. In addition to this, the need for a solution for complex phase currents/voltages brings extra computational complexity for power flow analysis. [...]in most of the unbalanced power flow analyses in the literature, asynchronous generators are modeled as balanced and fixed Active (P)-Reactive (Q) Power sources by ignoring the effect of the imbalance (Constant P, Q Model) [14,15,16]. [...]both the Developed Model and the SCP Model [12] are applied by the authors to phase domain power flow analysis in a 34 bus radial distribution test system published by IEEE [20], and the results were analyzed comparatively. Considering the experimental analysis results obtained under different voltage unbalance and rotor slip levels, it is found that the Developed Model successfully estimates the reactive power demand of the machine and provides a meaningful figure for the generated active power when compared with the measured values and the SCP Model [12]. [...]it can be concluded that the Developed model is robust and facilitates the computation of real and reactive power outputs of the induction generator for a specified wind speed and the terminal voltage by recognizing that machine equivalent circuit parameters are available.
ISSN:2076-3417
2076-3417
DOI:10.3390/app8040502