EnsembleNTLDetect: An Intelligent Framework for Electricity Theft
Detection in Smart Grid
- URL: http://arxiv.org/abs/2110.04502v1
- Date: Sat, 9 Oct 2021 08:19:03 GMT
- Title: EnsembleNTLDetect: An Intelligent Framework for Electricity Theft
Detection in Smart Grid
- Authors: Yogesh Kulkarni, Sayf Hussain Z, Krithi Ramamritham, Nivethitha Somu
- Abstract summary: We present EnsembleNTLDetect, a robust and scalable electricity theft detection framework.
It employs a set of efficient data pre-processing techniques and machine learning models to accurately detect electricity theft.
A Conditional Generative Adversarial Network (CTGAN) is used to augment the dataset to ensure robust training.
- Score: 0.0
- License: http://creativecommons.org/licenses/by-nc-nd/4.0/
- Abstract: Artificial intelligence-based techniques applied to the electricity
consumption data generated from the smart grid prove to be an effective
solution in reducing Non Technical Loses (NTLs), thereby ensures safety,
reliability, and security of the smart energy systems. However, imbalanced
data, consecutive missing values, large training times, and complex
architectures hinder the real time application of electricity theft detection
models. In this paper, we present EnsembleNTLDetect, a robust and scalable
electricity theft detection framework that employs a set of efficient data
pre-processing techniques and machine learning models to accurately detect
electricity theft by analysing consumers' electricity consumption patterns.
This framework utilises an enhanced Dynamic Time Warping Based Imputation
(eDTWBI) algorithm to impute missing values in the time series data and
leverages the Near-miss undersampling technique to generate balanced data.
Further, stacked autoencoder is introduced for dimensionality reduction and to
improve training efficiency. A Conditional Generative Adversarial Network
(CTGAN) is used to augment the dataset to ensure robust training and a soft
voting ensemble classifier is designed to detect the consumers with aberrant
consumption patterns. Furthermore, experiments were conducted on the real-time
electricity consumption data provided by the State Grid Corporation of China
(SGCC) to validate the reliability and efficiency of EnsembleNTLDetect over the
state-of-the-art electricity theft detection models in terms of various quality
metrics.
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