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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04227naa a2200457 4500 | |
| 001 | oai:research.chalmers.se:eefe1499-7a70-4cbe-9d92-61ecd8312f5f | |
| 003 | SwePub | |
| 008 | 190821s2019 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://doi.org/10.1016/j.enconman.2019.1119262 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/5118692 URI |
| 024 | 7 | a https://research.chalmers.se/publication/5121452 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Beiron, Johanna,d 1992u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)beiron |
| 245 | 1 0 | a Dynamic modeling for assessment of steam cycle operation in waste-fired combined heat and power plants |
| 264 | 1 | b Elsevier BV,c 2019 |
| 338 | a electronic2 rdacarrier | |
| 520 | a As the share of non-dispatchable energy sources in power systems increases, thermal power plants are expected to experience load variations to a greater extent. Waste-fired combined heat and power has multiple products and is today primarily operated for waste incineration and to generate heat. To consider load variations in the power demand at these plants may be a way to provide system services and obtain revenue, however, the transient interaction between power and district heating generation for the type of steam systems used should be studied. This work describes the transient characteristics and timescales of cogeneration steam cycles to discuss the operational interactions between power and district heating generation. A dynamic model of the steam cycle of a 48 MW waste-fired combined heat and power plant is developed using physical equations and the modeling language Modelica. The model is successfully validated quantitatively for both steady-state and transient operation with data from a reference plant and is shown capable of characterizing the internal dynamics of combined heat and power plant processes. Simulations are performed to analyze steam cycle responses to step changes, ramps and sinusoidal disturbances of boiler load changes and variability in district heating inlet temperature and flow. The results give insight on the process timescales for the specific case studied; for example, with the present design a 10% boiler load change requires up to 15 min for responses to settle, while the corresponding time for a 10% change in district heating flow or temperature show settling times within 5 min. Furthermore, increasing the boiler ramp rate from 2 to 4%/min could reduce the rise time of power generation by 42%, which could be of economic significance in day-ahead power markets. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Energiteknik0 (SwePub)203042 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Energy Engineering0 (SwePub)203042 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Naturresursteknikx Energisystem0 (SwePub)207022 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Environmental Engineeringx Energy Systems0 (SwePub)207022 hsv//eng |
| 653 | a Modelica | |
| 653 | a District heating | |
| 653 | a Steam cycle | |
| 653 | a Dynamic modeling | |
| 653 | a Flexibility | |
| 653 | a Combined heat and power | |
| 700 | 1 | a Mocholí Montañés, Rubén,d 1990u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)mochol |
| 700 | 1 | a Normann, Fredrik,d 1982u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)normann |
| 700 | 1 | a Johnsson, Filip,d 1960u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)fijo |
| 710 | 2 | a Chalmers tekniska högskola4 org |
| 773 | 0 | t Energy Conversion and Managementd : Elsevier BVg 198q 198x 0196-8904 |
| 856 | 4 | u https://research.chalmers.se/publication/512145/file/512145_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 | u https://research.chalmers.se/publication/512145/file/512145_Fulltext.pdf |
| 856 | 4 8 | u https://doi.org/10.1016/j.enconman.2019.111926 |
| 856 | 4 8 | u https://research.chalmers.se/publication/511869 |
| 856 | 4 8 | u https://research.chalmers.se/publication/512145 |
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