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Problems of estimation in statistical inference are mainly generalized by the samples. Assigned numerical values to a population parameter will expect a close estimation based on the available sample. In this paper, a use of sequential response surface methodology (sequential-RSM) is proposed for the power system state estimator solution. Offline Data (measurements and the state variables) are collected...
Most developing countries' electric power supply generators are limited. Tanzania for example, electric power system operates a relatively small electricity utility dominated mainly by hydropower plants and thermal power plants running on fossil fuels (diesel and natural gas). The demand for electricity in Tanzania is however growing at a relatively fast rate. This growth rate has been achieved despite...
While most researches in developed countries are based on power congestion and transmission lines of more capacities, electric power supply companies in most developing countries still have limited electric power generating plants. Limited resources such as:water, oil, gas, coal, nuclear, etc., are the causes of power ration in these countries. In this paper,operating costs of a thermal plant operating...
In this paper, power system state estimator (SE) solution using extended state estimation matrix measurements (SEMM) is presented. Within an optimum measurement placement environment, the extended SEMM is formed to enhance the state estimator solution in accuracy. The main idea is to maintain the readings from available measurement units to extend the new SEMM. This is determined by using the correlation...
The main objective of this research work is to obtain the minimum number of measurements and their weights (index) in the power system network. The use of singular value decomposition (SVD) is used to find a simpler approximation that speed up the search dramatically. The SVD is used to solve the problem of minimum number of measurements placement while maintaining accuracy as well as network observability...
The main objective of this research work is to classify measurements units in optimal measurement environments in the power system network. Firstly, the use of singular value decomposition is used to find the optimal measurements placement. This is the optimum environment where each measurement unit is given weight upon its effect on the state estimation accuracy. Loss of the measurement unit can...
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