<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>While in the first stage of electricity supply low voltage is used, the second and third stages exploit higher voltages; therefore, it is of importance in these cases to find the least per unit costs. The next task is to determine the scale of nominal voltages. To solve these tasks, the fed zone should be optimized by size and stage voltage. The author derived an expression which contains zone size and stage voltage dependent and independent terms as well as terms increasing and decreasing with zone size increasing. At the optimum zone size and stage voltage the influence of these terms is balanced. Under certain circumstances it is expedient to install step-down transformers directly at the customer.</p></abstract>

While in the first stage of electricity supply low voltage is used, the second and third stages exploit higher voltages; therefore, it is of importance in these cases to find the least per unit costs. The next task is to determine the scale of nominal voltages. To solve these tasks, the fed zone should be optimized by size and stage voltage. The author derived an expression which contains zone size and stage voltage dependent and independent terms as well as terms increasing and decreasing with zone size increasing. At the optimum zone size and stage voltage the influence of these terms is balanced. Under certain circumstances it is expedient to install step-down transformers directly at the customer.

Nominal Voltages of the Networks (Part 2)

Riga Technical University, 1 Kronvalda Blvd., LV-1010, Riga, LATVIA

Latvian Journal of Physics and Technical Sciences

{"article-title":"Nominal Voltages of the Networks (Part 2)"}

While in the first stage of electricity supply low voltage is used, the second and third stages exploit higher voltages; therefore, it is of importance in...

Nominal Voltages of the Networks (Part 2)

Published Online: Nov 16, 2011

Page range: 3 - 15

DOI: https://doi.org/10.2478/v10047-011-0030-9

Keywords
costs of electricity delivery, electricity supply network, nominal voltage, fed zone

This content is open access.

Nominal Voltages of the Networks (Part 2)

Published Online: Nov 16, 2011

Page range: 3 - 15

DOI: https://doi.org/10.2478/v10047-011-0030-9

Keywordscosts of electricity delivery, electricity supply network, nominal voltage, fed zone

This content is open access.

Keywords
costs of electricity delivery, electricity supply network, nominal voltage, fed zone