Development of New Values of Specific Design Electrical Loads of Multi-Apartment Residential Buildings on the Example of Moscow

The development of the national standardization program consists in carrying out work to update and create a regulatory technical base in the field of optimizing design and electrical work in civil engineering. One of the priority modern tasks in the civil engineering of the Russian Federation is to reduce the cost of building power supply systems. One of the options for solving this problem is the method proposed by the authors, which consists in developing new specific design electrical loads that will take into account the current state of electrical energy consumption, contributing to a decrease in the number and power of power transformers simultaneously with a decrease in the cross section and total length of cable and wire products. The article presents the results of a study of the electrical loads of multi-apartment residential buildings in Moscow for the period from April 2021 to February 2023, which served as the basis for the development of amendments to the Federal Code of Regulations SP 256.1325800.2016 “Electrical Installations in Residential and Public Buildings. Design and Installation Rules”. The new specific design electrical loads turned out to be lower than the normative ones by an average of 40%. To take into account the trend in housing construction, aimed at increasing the number of apartments in a multi-apartment residential building (the number of apartments reaches 2000 or more), new values of specific design electrical loads have been developed.