Publication

Applications of a robust state estimator to the EEF power system

Sidi-Rachid Cherkaoui
1998
Conference Papers

Abstract

The EEF utility, which has its headquarters in Fribourg, Switzerland, is planning to install in its new energy management system a robust Schweppe-type Huber GM-state estimator (SHGM). Prior to the installation, the iterative algorithm that implements the estimator has been upgraded to meet the specifications and extensive offline simulations have been carried out on the EEF power network. This power system consists of 3 islands and 33 substations that are interconnected by 60 kV subtransmission lines. The islands may from time to time be interconnected. Simulations revealed that the SHGM algorithm exhibits excellent convergence properties and is robust to bad measurements, be they leverage points or not. Installation of the state estimator on the computer facilities located at the new EEF control center will take place in the summer of 1998, followed by its full real-time testing

Official source

https://infoscience.epfl.ch/entities/publication/11a69f1a-5d8c-43d4-b209-5cbd5c9fa5f9

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Sidi-Rachid Cherkaoui
1998
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/11a69f1a-5d8c-43d4-b209-5cbd5c9fa5f9

About this result

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In statistics, an estimator is a rule for calculating an estimate of a given quantity based on observed data: thus the rule (the estimator), the quantity of interest (the estimand) and its result (the estimate) are distinguished. For example, the sample mean is a commonly used estimator of the population mean. There are point and interval estimators. The point estimators yield single-valued results. This is in contrast to an interval estimator, where the result would be a range of plausible values.

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