Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants

Detalhes bibliográficos
Autor(a) principal: Vasconcellos,Bruna Tayla Cabral de
Data de Publicação: 2020
Outros Autores: Tiago Filho,Geraldo Lúcio, Bonatto,Benedito Donizeti, Souza Junior,Oswaldo Honorato de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: RBRH (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312020000100239
Resumo: ABSTRACT Small hydroelectric power plants make up 6 GW of installed capacity in Brazil. However, electricity generation at the plants has been below their expected Assured Energy Levels (AELs) recently. This paper analyzes the flow history of 24 plants using exponential moving average control charts in an attempt to verify whether climate change or land use and occupation could have changed the average annual flow available in the basin over time. The graphs showed neither a decreasing or increasing trend in average flows, but rather showed a recurring number of out-of-control points, which proves the sensitivity of assured energy to hydrological variations and the need to evaluate the use of daily average flow rates for calculating and analyzing the energy generated by small power plants.
id ABRH-1_bf11e4ad2b1059d17c4a8f2878382747
oai_identifier_str oai:scielo:S2318-03312020000100239
network_acronym_str ABRH-1
network_name_str RBRH (Online)
repository_id_str
spelling Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plantsEWMAAssured energySmall hydroelectric power plantsFlow historyABSTRACT Small hydroelectric power plants make up 6 GW of installed capacity in Brazil. However, electricity generation at the plants has been below their expected Assured Energy Levels (AELs) recently. This paper analyzes the flow history of 24 plants using exponential moving average control charts in an attempt to verify whether climate change or land use and occupation could have changed the average annual flow available in the basin over time. The graphs showed neither a decreasing or increasing trend in average flows, but rather showed a recurring number of out-of-control points, which proves the sensitivity of assured energy to hydrological variations and the need to evaluate the use of daily average flow rates for calculating and analyzing the energy generated by small power plants.Associação Brasileira de Recursos Hídricos2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312020000100239RBRH v.25 2020reponame:RBRH (Online)instname:Associação Brasileira de Recursos Hídricos (ABRH)instacron:ABRH10.1590/2318-0331.252020190159info:eu-repo/semantics/openAccessVasconcellos,Bruna Tayla Cabral deTiago Filho,Geraldo LúcioBonatto,Benedito DonizetiSouza Junior,Oswaldo Honorato deeng2020-10-20T00:00:00Zoai:scielo:S2318-03312020000100239Revistahttps://www.scielo.br/j/rbrh/https://old.scielo.br/oai/scielo-oai.php||rbrh@abrh.org.br2318-03311414-381Xopendoar:2020-10-20T00:00RBRH (Online) - Associação Brasileira de Recursos Hídricos (ABRH)false
dc.title.none.fl_str_mv Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
title Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
spellingShingle Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
Vasconcellos,Bruna Tayla Cabral de
EWMA
Assured energy
Small hydroelectric power plants
Flow history
title_short Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
title_full Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
title_fullStr Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
title_full_unstemmed Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
title_sort Applying an Exponentially Weighted Moving Average control chart using flow history and assured energy levels to small hydroelectric power plants
author Vasconcellos,Bruna Tayla Cabral de
author_facet Vasconcellos,Bruna Tayla Cabral de
Tiago Filho,Geraldo Lúcio
Bonatto,Benedito Donizeti
Souza Junior,Oswaldo Honorato de
author_role author
author2 Tiago Filho,Geraldo Lúcio
Bonatto,Benedito Donizeti
Souza Junior,Oswaldo Honorato de
author2_role author
author
author
dc.contributor.author.fl_str_mv Vasconcellos,Bruna Tayla Cabral de
Tiago Filho,Geraldo Lúcio
Bonatto,Benedito Donizeti
Souza Junior,Oswaldo Honorato de
dc.subject.por.fl_str_mv EWMA
Assured energy
Small hydroelectric power plants
Flow history
topic EWMA
Assured energy
Small hydroelectric power plants
Flow history
description ABSTRACT Small hydroelectric power plants make up 6 GW of installed capacity in Brazil. However, electricity generation at the plants has been below their expected Assured Energy Levels (AELs) recently. This paper analyzes the flow history of 24 plants using exponential moving average control charts in an attempt to verify whether climate change or land use and occupation could have changed the average annual flow available in the basin over time. The graphs showed neither a decreasing or increasing trend in average flows, but rather showed a recurring number of out-of-control points, which proves the sensitivity of assured energy to hydrological variations and the need to evaluate the use of daily average flow rates for calculating and analyzing the energy generated by small power plants.
publishDate 2020
dc.date.none.fl_str_mv 2020-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312020000100239
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2318-03312020000100239
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/2318-0331.252020190159
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Associação Brasileira de Recursos Hídricos
publisher.none.fl_str_mv Associação Brasileira de Recursos Hídricos
dc.source.none.fl_str_mv RBRH v.25 2020
reponame:RBRH (Online)
instname:Associação Brasileira de Recursos Hídricos (ABRH)
instacron:ABRH
instname_str Associação Brasileira de Recursos Hídricos (ABRH)
instacron_str ABRH
institution ABRH
reponame_str RBRH (Online)
collection RBRH (Online)
repository.name.fl_str_mv RBRH (Online) - Associação Brasileira de Recursos Hídricos (ABRH)
repository.mail.fl_str_mv ||rbrh@abrh.org.br
_version_ 1754734701998768128

Registros relacionados