Title :
Resumable Load Data Compression in Smart Grids
Author :
Unterweger, Andreas ; Engel, Dominik
Author_Institution :
Dept. of Comput. Sci., Univ. of Salzburg, Salzburg, Austria
Abstract :
We propose a compression approach for load profile data, which addresses practical requirements of smart metering. By providing linear time complexity with respect to the input data size, our compression approach is suitable for low-complexity encoding and decoding for storage and transmission of load profile data in smart grids. Furthermore, it allows for resumability with very low overhead on error-prone transmission lines, which is an important feature not available for standard time series compression schemes. In terms of compression efficiency, our approach outperforms transmission encodings that are currently used for electricity metering by an order of magnitude.
Keywords :
computational complexity; data compression; decoding; encoding; power system measurement; smart meters; smart power grids; telecommunication transmission lines; time series; decoding; electricity metering; error-prone transmission lines; linear time complexity; load data compression; load profile data; low-complexity encoding; smart grids; smart metering; time series compression schemes; transmission encodings; Data compression; Encoding; Phasor measurement units; Smart grids; Smart meters; Time complexity; Compression; evaluation; load data; resumability;
Journal_Title :
Smart Grid, IEEE Transactions on
DOI :
10.1109/TSG.2014.2364686