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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Shaffer, Brendan Tarroja, Brian Samuelsen, Scott |
| Copyright Year | 2014 |
| Abstract | The carbon reduction and sustainability goals of the University of California, Irvine require increased penetrations of intermittent renewables on the campus microgrid. These increased intermittent renewables create operational challenges related to conventional energy resources. To study these operational challenges, a holistic campus resource dispatch model was developed. The campus energy resources consist of a microgrid with ten 12 kV circuits emanating from one substation, 4 MW of solar photovoltaic, a central combined heat and power plant (19 MW), a district heating and cooling system, and an electric chiller-thermal energy storage system that provide electricity, heat, and cooling. The holistic model includes dynamic models of the combined heat and power (CHP) plant, the electric chiller-thermal energy storage system, and various renewable resources. In addition, models for complimentary technologies were also created to investigate their potential to increase renewable penetration on the campus microgrid. These include battery energy storage, demand response, and energy efficiency. Simulations with the holistic campus resource model revealed several important conclusions: (1) Regardless of renewable resource type, impacts on the CHP plant remains the same, i.e., increased renewable penetrations create reduced CHP plant capacity factors; (2) Local two axis CPV provides lower costs of electricity than local fixed PV at renewable penetrations below 23% after which local fixed PV provides a lower cost of electricity (3) Introduction of a battery into the campus microgrid achieves higher renewable penetrations and improves the operation of CHP plant; and (4) Electric energy storage does not always prove cost effective (i.e., At low renewable penetrations, electric energy storage is not cost effective; At 17% renewable penetration, electric energy storage begins to become cost effective). |
| Sponsorship | Advanced Energy Systems Division |
| File Format | |
| ISBN | 9780791845868 |
| DOI | 10.1115/ES2014-6453 |
| Volume Number | Volume 1: Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power, Solar Thermochemistry and Thermal Energy Storage; Geothermal, Ocean, and Emerging Energy Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Photovoltaics; Wind Energy Systems and Technologies |
| Conference Proceedings | ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology |
| Language | English |
| Publisher Date | 2014-06-30 |
| Publisher Place | Boston, Massachusetts, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Cooling Cogeneration plants Circuits Microgrids Cooling systems Batteries Combined heat and power Carbon Central heating Renewable energy sources Heat Energy resources Simulation Sustainability Solar energy Dynamic models Energy efficiency Engineering simulation Energy storage |
| Content Type | Text |
| Resource Type | Article |
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