The article considers the issues of increasing energy efficiency of 6-10 kV controlled capacitor plants of power supply systems of energy-intensive facilities due to more accurate compensation of reactive power. Analysis of the most common circuits for connecting batteries of static capacitors using semiconductor and electromechanical switches was carried out.
The feasibility of using a simplified approach of determining the optimal structure of the power part of high-voltage plants for compensation of reactive power according to the criterion of minimum cost and minimum level of electric energy losses is determined. The possibility of parametric optimization of high-voltage capacitor batteries to higher voltage levels is shown, taking into account the given specific requirements of these electric power facilities.
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