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State estimation is used currently in wide area electrical systems for real time analysis. Studies have shown that in HV transmission networks, where system-wide synchronized phasor measurement units are installed, voltage angle measurements can be included in the input measurements data set, with the result of improving the estimation precision. The authors developed in previous papers a SE algorithm...
While common estimation algorithms use as input data rated equipment parameters, the actual parameters of a three phase line will change with the load amount and unbalance degree, and weather conditions. This paper presents a method for estimating the actual MV overhead distribution line parameters such as resistance, reactance, shunt conductance and susceptance, using synchronous voltage and current...
The Static state estimation is widely used in power systems for real time monitoring and analysis. Standard methods, such as the weighted least squares (WLS) algorithm, require the computation of bus admittance and Jacobian matrices and the solution is found in an iterative process. This paper presents an alternative for the classic state estimation (SE) algorithms, which uses a multilayer perceptron...
In the framework of the deregulated electricity markets, the way in which old local grids operate has changed. The degree of interconnection increased, and local networks became parts of wide area power systems. As part of the need to upgrade the existing networks in order to cope with the new operating conditions, the concept of smart grids was proposed. A part of such a smart grid is a real time...
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