Robust State Estimator (Smart Electric Grid, LLC)
Robust State Estimator(Smart Electric Grid, LLC) 

Background of State-Estimator-Plus (SE+)

A developmental software company with methods to revolutionize the monitoring of the electric smart grids

In March 2020, North American Electric Reliability Corporation (NERC) published a survey about the reasons of the loss of Energy Management System (EMS) system, a system of computer-aided tools used by system operators to monitor, control, and optimize the performance of generation and/or transmission systems. The survey shows that 45% of loss of EMS is caused by the divergence of state estimator

Cited: <Risks and Mitigations for Losing EMS Functions Reference Document – Version 2>, NERC survey, March 2020

State estimator is the most important function in EMS. The purpose of state estimator is to provide a consistent base case for use by other network applications such as Power Flow and Contingency Analysis. State estimator can be considered as the "heart" of EMS.


Accurate Non-Divergent State Estimator (SE+) has solved the problems of divergence and biased solution suffered by today's state estimators. The voltage solution obtained by SE+ only depends on the measurement configuration, system topology and parameters, without human involvement or adjustment or any forms of linearization or approximation.





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