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Data-driven forecasting of electric vehicle charging for frequency regulation

Sidh, Fredrik and Sundell, Gustaf (2022)
Department of Automatic Control
Abstract
Electric vehicle (EV) charging may be used in aggregation as virtual batteries to provide a frequency regulating service to the power grid. The service is sold on the Frequency Containment Reserve (FCR) markets, and is traded one and two days ahead. Forecasts of charging patterns are essential to reliably provide this ancillary service. The thesis aims to build a generalized model for forecasting EV charging behavior of 47 EVs in Sweden. The charging behavior is characterized by the state of charge and whether the EV is plugged in to the home charging station or not. Recurrent Neural Networks (RNNs) and XGBoost are applied to produce forecasts that fit the two FCR market settings. Performance of the models is evaluated and compared to a... (More)
Electric vehicle (EV) charging may be used in aggregation as virtual batteries to provide a frequency regulating service to the power grid. The service is sold on the Frequency Containment Reserve (FCR) markets, and is traded one and two days ahead. Forecasts of charging patterns are essential to reliably provide this ancillary service. The thesis aims to build a generalized model for forecasting EV charging behavior of 47 EVs in Sweden. The charging behavior is characterized by the state of charge and whether the EV is plugged in to the home charging station or not. Recurrent Neural Networks (RNNs) and XGBoost are applied to produce forecasts that fit the two FCR market settings. Performance of the models is evaluated and compared to a naive baseline in terms of RMSE, MAE, accuracy and F1-score. The naive baseline assumes the same charging behavior as the previous week. The results show both classes of models to consistently beat the naive baseline on both markets, and XGBoost proved to be the best forecaster. (Less)
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author
Sidh, Fredrik and Sundell, Gustaf
supervisor
organization
year
type
H3 - Professional qualifications (4 Years - )
subject
report number
TFRT-6169
ISSN
0280-5316
language
English
id
9092798
date added to LUP
2022-06-23 14:08:28
date last changed
2022-06-23 14:08:28
@misc{9092798,
  abstract     = {{Electric vehicle (EV) charging may be used in aggregation as virtual batteries to provide a frequency regulating service to the power grid. The service is sold on the Frequency Containment Reserve (FCR) markets, and is traded one and two days ahead. Forecasts of charging patterns are essential to reliably provide this ancillary service. The thesis aims to build a generalized model for forecasting EV charging behavior of 47 EVs in Sweden. The charging behavior is characterized by the state of charge and whether the EV is plugged in to the home charging station or not. Recurrent Neural Networks (RNNs) and XGBoost are applied to produce forecasts that fit the two FCR market settings. Performance of the models is evaluated and compared to a naive baseline in terms of RMSE, MAE, accuracy and F1-score. The naive baseline assumes the same charging behavior as the previous week. The results show both classes of models to consistently beat the naive baseline on both markets, and XGBoost proved to be the best forecaster.}},
  author       = {{Sidh, Fredrik and Sundell, Gustaf}},
  issn         = {{0280-5316}},
  language     = {{eng}},
  note         = {{Student Paper}},
  title        = {{Data-driven forecasting of electric vehicle charging for frequency regulation}},
  year         = {{2022}},
}