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The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
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A microgrid deployment framework to support drayage electrification.

Joseph N E Lucero1, Ruixiao Sun2, Brandon A Miller3

  • 1Department of Chemistry, Stanford University, Stanford, CA 94305, USA.

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Electrifying heavy-duty commercial vehicles requires robust infrastructure. Microgrids with solar and battery storage can support this transition, improving air quality and grid resilience.

Keywords:
Electrical engineeringEnergy policyEngineering

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Area of Science:

  • Environmental Science
  • Electrical Engineering
  • Urban Planning

Background:

  • Electrification of heavy-duty commercial vehicles (HDCVs) is crucial for improving urban air quality.
  • Existing electric grids face significant challenges supporting high loads from HDCV charging.
  • Limited grid capacity may hinder the effectiveness of HDCV electrification for pollution reduction.

Purpose of the Study:

  • To investigate the role of microgrids in supporting HDCV electrification.
  • To develop a framework for identifying microgrid deployment sites and estimating costs.
  • To optimize microgrid power usage for reduced grid dependence.

Main Methods:

  • Developed an integrated framework for microgrid site selection and cost estimation.
  • Incorporated solar photovoltaics and battery storage into the microgrid design.
  • Applied the framework to a case study around the Port of Savannah, GA.

Main Results:

  • The framework successfully identified viable microgrid locations.
  • Cost estimations for microgrid deployment were provided.
  • Demonstrated potential for enhanced grid capacity and energy resiliency through microgrids.

Conclusions:

  • Microgrids are essential for enabling widespread HDCV electrification.
  • Targeted microgrid deployment can mitigate grid strain and support sustainable freight transport.
  • Microgrids enhance energy resilience and air quality benefits in urban areas.