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Extraction of Inertial and Droop Response from Utility Scale Battery Pack at the State of Charging.
|Title:||Extraction of Inertial and Droop Response from Utility Scale Battery Pack at the State of Charging.|
|Contributors:||Electrical Engineering (department)|
|Date Issued:||Aug 2018|
|Publisher:||University of Hawaiʻi at Mānoa|
|Abstract:||In weak grids, high penetration of renewable energy sources (RES) poses a major threat to the overall system stability|
and reliability. Absence/lack of rotational inertia worsens stability issues like frequency support in case of a
disturbance. After the loss of a generating unit, fast-acting battery energy storage system (BESS) can emulate the role
of the lost generator by providing the dynamic frequency support until, corrective actions are taken to restore the
frequency. Unlike others, this work focuses mainly to make the BESS emulate a real generator, providing inertial and
droop response at its charging state. To achieve the objective, a modification in battery charge control algorithm has
been introduced. It ensures the provision of ancillary services free of cost and exclusion of any additional wear and
tear on the BESS. As a test case, a customized model of a small microgrid has been used and the effect of droop and
inertial response from the BESS on system's transient response, has been investigated using time domain simulations
|Description:||M.S. Thesis. University of Hawaiʻi at Mānoa 2018.|
|Rights:||All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.|
|Appears in Collections:||
M.S. - Electrical Engineering|
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