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This paper addresses a detailed design of a wind
power plant and turbine slope voltage control in the presence of
communication delays for a wide short-circuit ratio range operation.
The implemented voltage control scheme is based upon the
secondary voltage control concept, which offers fast response to
grid disturbances, despite the communication delays, i.e., this concept
is based on a primary voltage control, located in the wind turbine,
which follows an external voltage reference sent by a central
controller, called secondary voltage control, which is controlling
the voltage at the point of connection with the grid. The performance
has been tested using PSCAD/EMTDC program. The plant
layout used in the simulations is based on an installed wind power
plant, composed of 23 doubly fed generator wind turbines. The resulting
performance is evaluated using a compilation of grid code
voltage control requirements. The results show that fast response
to grid disturbances can be achieved using the secondary voltage
control scheme, and the fulfillment of the design requirements can
be extended for a wide range of short-circuit ratios.
CitationMartinez, J. [et al.]. Design and analysis of a slope voltage control for a DFIG wind power plant. "IEEE transactions on energy conversion", Març 2012, vol. 27, núm. 1, p. 11-20.
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