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논문 기본 정보

저자정보
(Kumoh National Institute of Technology) (Kumoh National Institute of Technology)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제75권 제2호
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    초록·키워드

    The expanding adoption of distributed photovoltaic (PV) generators introduces uncertainties into power system operation. In particular, as distribution system operators often observe only substation net load, it can be a challenging issue to obtain the gross load by separating the unobserved behind-the-meter (BTM) PV from the net load. This paper proposes a hybrid DLinear BiLSTM,– model to estimate the gross load when BTM PV measurements are unavailable. The proposed model uses a DLinear-based decomposition to split the time series input data into trend and seasonal components. Then, a bidirectional LSTM jointly learns nonlinear correlations and long- and short-term dependencies. In particular, because it uses only accessible exogenous variables such as public meteorological data (solar irradiance, temperature, precipitation/snowfall), calendar factors, and a region identifier, the method is easy to implement and scale without detailed facility-level data. The proposed model is validated by the experiment using one-year dataset obtained from a substation.

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      UCI(KEPA) : I410-151-26-02-096079242