Publications
CEIC-03-14 "Maintaining
Stability with Distributed Generation in a Restructured Industry" Judith
Cardell and Marija Ilic
Abstract:
A set of reduced order, linearized, dynamic models for distributed generators
is developed along with a framework for modeling the generators in a power
distribution system. Analysis of this distributed system structure raises two
issues. The first is that the simulations demonstrate, unexpectedly, that a
small load disturbance is capable of causing frequency instability in the
primary dynamics of the distributed generators. Eigenanalysis of the
instability suggests that it is a system phenomenon. The second issue is that
the system matrix is found to not have a block diagonal dominant structure
raisi ng questions over the possible implementation of decentralized control
strategies. A method to regain system stability along with an example of
implementing this method are presented, along with the generator models.
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