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Feasibility Analysis of Converter-Interfaced Combined Heat and Power System

Conference · · 2020 IEEE Power & Energy Society General Meeting (PESGM)
 [1]; ; ; ; ;
  1. GE Research
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As a promising new design concept, the converter-interfaced combined heat and power (CHP) system is coupled to the bulk grid through a rectifier and a grid-ready tied inverter. Compared to the traditional directly-coupled CHP system, it removes the requirement for oversizing the CHP generator, limits the short-circuit contribution of the generator and simplifies the grid integration process of CHP system. This paper evaluates the economic benefits of this concept by calculating the annualized Return-on-Investment (ROI) and comparing it to the directly-coupled system. The economic analysis includes timeseries simulations to compute energy transactions with the bulk grid as well as sizing the equipment to calculate the capital and operational costs. Obtained results indicate that in majority of user cases evaluated, the converter-interfaced CHP systems can provide better ROI than directly-coupled systems. Given the additional technical benefits provided by inverter-based distributed energy resources (DERs), the proposed concept is proved to be technically viable and economically feasible.

Research Organization:
General Electric Company
Sponsoring Organization:
U.S. Department of Energy
DOE Contract Number:
EE0008412
OSTI ID:
1969930
Report Number(s):
DOE-GE-0008412-2
Journal Information:
2020 IEEE Power & Energy Society General Meeting (PESGM), Journal Name: 2020 IEEE Power & Energy Society General Meeting (PESGM)
Country of Publication:
United States
Language:
English

References (6)

A techno-economic assessment of a combined heat and power photovoltaic/fuel cell/battery energy system in Malaysia hospital journal October 2016
A techno-economic analysis of small-scale, biomass-fuelled combined heat and power for community housing journal October 2011
An Overview of Distributed Energy Resource (DER) Interconnection: Current Practices and Emerging Solutions report April 2019
Energy efficiency and economic feasibility of CCHP driven by stirling engine journal June 2004
Multi-criteria analysis of combined cooling, heating and power systems in different climate zones in China journal April 2010
Economic feasibility of combined heat and power and absorption refrigeration with commercially available gas turbines journal September 2001

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Related Subjects

combined heat and power
converter
economic feasibility
ROI
timeseries simulation