Review of the Requirements for Load Following of Small Modular Reactors

CO<sub>2</sub> net neutralization by 2050 is a global target. Renewable energy and nuclear power generation are emerging as major power sources for CO<sub>2</sub> net neutralization. Therefore, this paper comprehensively reviews the load-following operation method of nuclear...

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Main Authors: Choong-koo Chang, Harold Chisano Oyando
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/17/6327
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author Choong-koo Chang
Harold Chisano Oyando
author_facet Choong-koo Chang
Harold Chisano Oyando
author_sort Choong-koo Chang
collection DOAJ
description CO<sub>2</sub> net neutralization by 2050 is a global target. Renewable energy and nuclear power generation are emerging as major power sources for CO<sub>2</sub> net neutralization. Therefore, this paper comprehensively reviews the load-following operation method of nuclear power plants as a method to compensate for intermittency, which is the biggest weakness of renewable energy. First, this paper looks at the types of SMRs and elaborates the concept and necessity of load following. The comprehensive requirements for the load-following operation of an SMR, i.e., planned operation, automatic generation control, governor-free operation, cooperative control of the reactor and turbine generator, unit control of a multiple-module SMR, cogeneration, etc., are studied. Finally, the interaction between an SMR and the power grid during load-following operation and other technical issues are also reviewed. This paper can be used as a guide for load-following operations or as a guide for requirement analysis when developing a comprehensive control system of load following in SMR fleets.
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spelling doaj.art-c11d8362c30e4f5193b7f9472c79d1422023-11-23T13:04:24ZengMDPI AGEnergies1996-10732022-08-011517632710.3390/en15176327Review of the Requirements for Load Following of Small Modular ReactorsChoong-koo Chang0Harold Chisano Oyando1Department of Nuclear Power Plant Engineering, KEPCO International Nuclear Graduate School (KINGS), 658-91 Haemaji-ro, Seosang-myeon, Ulju-gun, Ulsan 45014, KoreaDepartment of Nuclear Power Plant Engineering, KEPCO International Nuclear Graduate School (KINGS), 658-91 Haemaji-ro, Seosang-myeon, Ulju-gun, Ulsan 45014, KoreaCO<sub>2</sub> net neutralization by 2050 is a global target. Renewable energy and nuclear power generation are emerging as major power sources for CO<sub>2</sub> net neutralization. Therefore, this paper comprehensively reviews the load-following operation method of nuclear power plants as a method to compensate for intermittency, which is the biggest weakness of renewable energy. First, this paper looks at the types of SMRs and elaborates the concept and necessity of load following. The comprehensive requirements for the load-following operation of an SMR, i.e., planned operation, automatic generation control, governor-free operation, cooperative control of the reactor and turbine generator, unit control of a multiple-module SMR, cogeneration, etc., are studied. Finally, the interaction between an SMR and the power grid during load-following operation and other technical issues are also reviewed. This paper can be used as a guide for load-following operations or as a guide for requirement analysis when developing a comprehensive control system of load following in SMR fleets.https://www.mdpi.com/1996-1073/15/17/6327small modular reactor (SMR)load followingpower gridvariable renewable energy (VRE)nuclear power plant (NPP)
spellingShingle Choong-koo Chang
Harold Chisano Oyando
Review of the Requirements for Load Following of Small Modular Reactors
Energies
small modular reactor (SMR)
load following
power grid
variable renewable energy (VRE)
nuclear power plant (NPP)
title Review of the Requirements for Load Following of Small Modular Reactors
title_full Review of the Requirements for Load Following of Small Modular Reactors
title_fullStr Review of the Requirements for Load Following of Small Modular Reactors
title_full_unstemmed Review of the Requirements for Load Following of Small Modular Reactors
title_short Review of the Requirements for Load Following of Small Modular Reactors
title_sort review of the requirements for load following of small modular reactors
topic small modular reactor (SMR)
load following
power grid
variable renewable energy (VRE)
nuclear power plant (NPP)
url https://www.mdpi.com/1996-1073/15/17/6327
work_keys_str_mv AT choongkoochang reviewoftherequirementsforloadfollowingofsmallmodularreactors
AT haroldchisanooyando reviewoftherequirementsforloadfollowingofsmallmodularreactors