IEEE Power & Energy Magazine - May/June 2014 - 87

A Grid-Friendly
Plant
By Mahesh Morjaria, Dmitriy Anichkov,
Vladimir Chadliev, and Sachin Soni

plant-© fotosearch, background-image licensed by ingram publishing

The Role of
Utility-Scale
Photovoltaic Plants
in Grid Stability
and Reliability

A

Digital Object Identifier 10.1109/MPE.2014.2302221
Date of publication: 17 April 2014

may/june 2014

1540-7977/14/$31.00©2014IEEE

A Recent RApid photovoltAic (pv)
price reduction has significantly increased the
competitiveness of pv-generated electricity, which
has now reached grid parity in many markets,
i.e., electricity is produced at the same or a
lower price than conventional electricity sources.
Along with other factors stimulating the global
growth of renewable energy, this cost decline has
greatly increased both the number and size of
utility-scale solar plants, especially pvs, that are
deployed on the power grid. the impact on power
systems of integrating pv generation, especially
as it relates to grid reliability and stability, needs
to be addressed.
A typical pv solar generation plant is composed
of multiple individual "generators" connected to the
electrical network via power electronics (inverters),
rather than synchronous machines. the pv plant's
response to grid system disturbances is not similar
to the inherent electromechanical dynamics of synchronous machines. through sophisticated control
functions, however, the pv plant is able to contribute
actively to grid stability and reliability and operate
effectively in the grid.
ieee power & energy magazine

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Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - May/June 2014

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IEEE Power & Energy Magazine - May/June 2014 - Cover3
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