Abstract:
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The high penetration of distributed generation, as
PV or wind power, has forced the Transmission System
Operators (TSOs) to set restrictive requirements for the
operation of such systems. As it can be extracted from the
forthcoming grid codes drafts, the future distributed
generation systems will be requested to have the equivalent
performance of a synchronous generator, which is seen from
the TSOs as the only solution if a massive integration of
renewable in the electrical network should be achieved. In this
paper a method for controlling PV grid connected power
converters as a synchronous generator, namely Synchronous
Power Controller (SPC), is presented. As a difference with
previous works this method permits to take advantage of
emulating the synchronous behavior meanwhile it is able to get
rid of its drawbacks. The main concept of the SPC, as well as
some simulation and experimental results will be shown in this
paper considering a PV power plant as a study case. |