This article illustrates new methods for automatically fixing and determining the calculation loads of electrical consumers, in particular the maximum load. The accuracy in the calculations is increased taking into account several factors affecting the maximum load values. It also offers a method and algorithm determination of the maximum electrical loads in urban electrical loads.

In this article, we propose a new method for determining the maximum load of electric consumers in urban electric networks, which differs from existing methods in more accurate and reliable determination of the maximum loads. Based on the determination of the maximum loads of the objects of urban electrical networks, it is concluded that the proposed methods are determined by high accuracy and minor errors.

The article deals with relevant and much needed at this stage problems of reconstruction and modernization of urban power supply systems and issues of energy saving in urban power grids. For the first time, it is proposed to carry out energy saving in the residential and public sectors of the residential zone of cities on the basis of reactive power compensation. There are given an analysis of experimental studies and measurements of power consumption and based on them recommendations and ways of energy saving in urban power grids.

The paper analyzes the use of energy resources in industrial enterprises. Based on the results of the work carried out, the main points of the irrational use of energy resources are given. An analysis of the state of accounting and control over the consumption of energy resources and an overview of the current situation with energy saving at industrial enterprises is given.

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