Abstract
In the article, using the method of economic intervals using the principle of limiting the permissible increase in costs from the optimal ones, the existing scale of standard wire cross-sections of 10 kV lines was investigated and, as a result, it was established that the existing scale does not satisfy the conditions of optimality and a new scale was developed that satisfies the conditions of economy.
Highlights
For the optimal development of electrical networks, it is important to select the parameters of a network element from the existing standard scale of standard sizes, and to optimize standard scales of equipment standard sizes or to check their optimality.In accordance with the requirements set forth in [1], at the present time, the preferred are the scales of standard sizes, built with a constant step according to the principle of geometric progression
The existing standard scale for nominal wire cross-sections of overhead power transmission lines has an uneven pitch between adjacent cross-sections
Based on the analysis of methods for constructing optimal parametric series of electrical equipment [4, 5, 6] for constructing a parametric series of wire cross-sections intended for 10 kV overhead power lines, it is proposed to use the method of economic load intervals and the principle of limiting the permissible increase in costs from the optimal ones
Summary
For the optimal development of electrical networks, it is important to select the parameters of a network element from the existing standard scale of standard sizes, and to optimize standard scales of equipment standard sizes or to check their optimality. Based on the analysis of methods for constructing optimal parametric series of electrical equipment [4, 5, 6] for constructing a parametric series of wire cross-sections intended for 10 kV overhead power lines, it is proposed to use the method of economic load intervals and the principle of limiting the permissible increase in costs from the optimal ones. In this case, the boundaries of economic load intervals are determined from the condition:.
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