期刊
IEEE TRANSACTIONS ON POWER SYSTEMS
卷 29, 期 6, 页码 2875-2882出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2014.2308537
关键词
Communication failure; spatial load forecast; time forward kriging
资金
- Singapore Ministry of Education-Academic Research Fund [WBS R-263-000-691-112]
- National Research Foundation of Singapore under Clean Energy Research Programme [NRF2010EWT-CERP001-030]
Short-term and very short-term load forecasting are essential for power grid management operations such as automatic generation control, unit commitment scheduling, and transmission loss estimation. Most existing forecasting techniques require that the load data be available up to the current time step. In recent years, cyber attacks increasingly threaten the secure operation of power grids. One potential cyber threat is communication failure which will affect load forecasting. When communication failure happens and actual load data are not available, forecasting accuracy suffers. To overcome this problem, we propose a time-forward kriging based approach to forecast load with and without communication failure. This technique has the ability to forecast the load by utilizing load information from neighboring regions. The proposed method has been tested using NYISO and PJM load data with 5-min and 1-h intervals, respectively. Our results show that the proposed method is capable of forecasting load under communication failure with acceptable accuracy and improved accuracy when compared with other forecasting techniques.
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