Optimal design and operating strategies for a biomass-fueled combined heat and power system with energy storage

Yingying Zheng*, Bryan M. Jenkins, Kurt Kornbluth, Alissa Kendall, Chresten Træholt

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

An economic linear programming model with a sliding time window was developed to assess designing and scheduling a biomass-fueled combined heat and power system consisting of biomass gasifier, internal combustion engine, heat recovery set, heat-only boiler, producer gas storage and thermal energy storage. A case study was examined for a conceptual utility grid-connected BCHP application in Davis, California under different scenarios. The results show that a 100 kW biomass gasifier and engine combination with energy storage was the most cost effective design based on the assumed energy load profile, utility tariff structure and technical and finical performance of the system components. Engine partial load performance was taken into consideration. Sensitivity analyses demonstrate how the optimal BCHP configuration changes with varying demands and utility tariff rates.

Original languageEnglish
JournalEnergy
Volume155
Pages (from-to)620-629
ISSN0360-5442
DOIs
Publication statusPublished - 2018

Keywords

  • Biomass
  • Combined heat and power
  • Gas storage
  • Sliding time window
  • Energy modeling
  • Optimization

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