Description: Advantages of the use of the program «ELSNA», which allows to choose the set equipment, design the chart of электроснабжения, execute the analysis of parameters of the system of электроснабжения of industrial enterprises, are shown in the article. The use of the program is instrumental in the exposure of widespread errors of planning and decisions in relation to the set equipment. the program allows students, developing the intellectual potential, comprehensively and full enough to study this object. In this case motivation of students rises to teaching, full enough the method of the individual teaching will be realized etc. The program «Elsna» presents practical interest for preparation of bachelors and specialists on specialities of 6(7) .090603, 6(7) .010100 and can be utillized for implementation of laboratory works on discipline «Elektrosnabzhenie and electro-economy of enterprises».
Keywords: enterprise, system of Electrosupply, teaching, program «ELSNA»