Project Report


Modeling and Simulation of a Distributed Generation-Integrated Intelligent Microgrid

Saifur Rahman, Manisa Pipattanasomporn

Project Final Report


Abstract

Modeling and Simulation of a Distributed Generation-Integrated Intelligent Microgrid
SERDP Project SI-1650
Feb 2010

At present, there is a need to design a distributed and autonomous subset of a larger grid or a microgrid to increase the security and reliability of electricity supply. The objective of this work was to model and simulate a specialized microgrid called an Intelligent Distributed Autonomous Power Systems (IDAPS), which play a crucial role in building a scalable power grid that facilitates the use of renewable energy technologies. Microgrid device models, including distributed energy sources and loads, as well as their control algorithms, were developed. Several case studies were simulated to evaluate the operation of the IDAPS microgrid during parallel and islanded operation modes. Simulation results indicated that the proposed IDAPS control model was able to: (i) perform demand management during normal operating condition; (ii) island the microgrid from the main grid once an upstream fault is detected; (iii) secure critical loads and shed non-critical loads according to the given priority list during emergencies; and (iv) resynchronize the microgrid to the main grid after an upstream fault is cleared.


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