A control approach investigation of the Xe-100 plant to perform load following within the operational range of 100 – 25 – 100%

Brits, Yvotte; Botha, Frederik C.; Antwerpen, H.J. van; Chi, Hans-Wolfgang

doi:10.1016/j.nucengdes.2017.11.041

Cited by 17 publications

(10 citation statements)

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“…The modeling results can be compared with those from the literature in order to ascertain the relative accuracy of the models constructed thus far [17]. Many of the values are controlled and should thus be completely identical in both the reference and HYBRID models.…”

Section: Steady-state System Resultsmentioning

confidence: 99%

“…Rankine cycle HTGR model development began as an extension of the Brayton cycle design work already undertaken. The Xe-100, a specific design being developed by X-Energy, was used as the basis for model development [16,17]. Published materials regarding this reactor show that this system operates at about 125 MWt and 43.75 Mwe, though these values are expected to change as the reactor moves closer to deployment.…”

Section: Model Developmentmentioning

confidence: 99%

“…Published materials regarding this reactor show that this system operates at about 125 MWt and 43.75 Mwe, though these values are expected to change as the reactor moves closer to deployment. Some control methods and values upon which to base HYBRID models have been published [17]. The Rankine cycle system was developed to match the structure of other reactor models within HYBRID.…”

Section: Model Developmentmentioning

confidence: 99%

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Delivery of Dynamic Thermal Energy Storage Models and Advanced Reactor Concept Models to the HYBRID Repository

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Hancock

et al. 2022

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This publication details newly created energy storage and reactor models developed within the HYBRID modeling repository as part of the Department of Energy (DOE) Office of Nuclear Energy Integrated Energy Systems (IES) program, led by Idaho National Laboratory (INL).The model development included creating dynamic systems-level models of a pebble-bed high-temperature gas-cooled reactor (HTGR), a sodium fast reactor (SFR), compressed air energy storage (CAES), liquid air energy storage (LAES) and Modelica standard library (MSL)-based two-tank sensible heat storage (SHS) in the IES-based HYBRID repository. These models were developed using the latest publicly available data and incorporating the possibility of control strategy inclusion for use with the existing IES modeling, analysis, and optimization toolset. Simulations showcase the capability of each technology to flexibly operate in ways consistent with IES operation expectations.When these models are available, they can be utilized within different integrated energy park concepts to understand optimal system operation, control, and dispatching. Moreover, given the generic nature of the models, industrial partner technologies can be quickly added to the repository by using the existing models as a basis. Additional dynamic models for thermal energy storage (TES) concepts can be developed and added to the HYBRID repository as needed. Also detailed in this report are future development goals for the HYBRID repository, including adding suites of steady-state models, economic costing information, and reduced-order models (ROMs).

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Section: Steady-state System Resultsmentioning

confidence: 99%

Section: Model Developmentmentioning

confidence: 99%

Section: Model Developmentmentioning

confidence: 99%

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Delivery of Dynamic Thermal Energy Storage Models and Advanced Reactor Concept Models to the HYBRID Repository

Mikkelson

Shigrekar

Hancock

et al. 2022

View full text Add to dashboard Cite

show abstract

“…The modeling results can be compared with those from the literature in order to ascertain the relative accuracy of the models constructed thus far [7]. Many of the values are controlled, and should therefore be completely identical in both the reference and HYBRID models.…”

Section: Steady-state System Resultsmentioning

confidence: 99%

“…The IES program analysis team must be provided with a Rankine-system HTGR, since it represents the most advanced HTGR design currently in development. An example of this system is the Xe-100, which is being developed by X-Energy [7]. This system operates at about 125 MWt and 43.75 MWe.…”

Section: Htgr Rankine Cyclementioning

confidence: 99%

Follow-On Status Report on FY2022 Model Development within the Integrated Energy Systems Hybrid Repository

Mikkelson

Shigrekar

Frick

et al. 2022

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This publication details newly created energy storage and reactor models developed within the HYBRID modeling repository as part of the Department of Energy Office of Nuclear Energy's (DOE-NE) Integrated Energy Systems (IES) program, led by Idaho National Laboratory (INL).Recently, model development has included the creation of three dynamic systems-level models in the IES-based HYBRID repository: a pebble bed high temperature gas reactor (HTGR), compressed air energy storage (CAES), and Modelica-Standard-Library-based two-tank sensible heat storage (SHS). The models are developed using the latest publicly available data and they incorporate the possibility of control strategy inclusion for use with the existing IES modeling, analysis, and optimization toolset. Simulations have showcased the abilities of each technology to flexibly operate in ways consistent the expectations for IES operation.Once these models are made available, they can be utilized within different integrated energy park concepts in order to understand optimal system operation, control, and dispatching. Moreover, given the generic nature of the models, industrial partner technologies can be quickly added to the repository by using the existing models as a basis. Additional dynamic models for thermal energy storage concepts can be developed and added to the HYBRID repository as needed.v

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Generation of localized reactor point kinetics parameters using coupled neutronic and thermal fluid models for pebble-bed reactor transient analysis

Stewart

Balestra

Reger

et al. 2022

Annals of Nuclear Energy

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A control approach investigation of the Xe-100 plant to perform load following within the operational range of 100 – 25 – 100%

Cited by 17 publications

References 0 publications

Delivery of Dynamic Thermal Energy Storage Models and Advanced Reactor Concept Models to the HYBRID Repository

Delivery of Dynamic Thermal Energy Storage Models and Advanced Reactor Concept Models to the HYBRID Repository

Follow-On Status Report on FY2022 Model Development within the Integrated Energy Systems Hybrid Repository

Generation of localized reactor point kinetics parameters using coupled neutronic and thermal fluid models for pebble-bed reactor transient analysis

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