Attending small villages near ultra high voltage transmission lines using ground wire induced voltage and current

• Grant number: 14/16383-9
• Support Opportunities: Scholarships in Brazil - Master
• Start date: January 01, 2015
• End date: February 29, 2016
• Field of knowledge: Engineering - Electrical Engineering - Power Systems
• Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
• Principal Investigator: Maria Cristina Dias Tavares
• Grantee: Joan Sebastian Chaves Huertas
• Host Institution: Faculdade de Engenharia Elétrica e de Computação (FEEC). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

The reduction of eletricity poverty related to small cities is an international challenge, mainly because of the large distances between these villages and the nearest substation. The main issue is the cost involved in building a long rural distribution system to attend a very small load. Alternative methods have have been proposed, mainly based on local generation using solar panels or small wind generators, always complemented by diesel generators. In the proposed research the focus is to attend small population located near extra high voltage or ultra high voltage lines, taking advantage of the electromagnetic coupling of phase conductors to ground wires. The induced voltage in the ground wires is around dozen of kilovolts, making it possible to build a distribution substation near the transmission line and from there to construct the distribution line to the remote village. The population to be attended is estimated in 1000 people, based on local numbers for remote rural areas. A typical 500 kV transmission line will be used and the simulations will be performed with ATP and PSCAD programs.The analysis will consider steady state and transients due to switching and faults in the transmission line. An important contribution is the establishment of protection system for the rural distribution system, as well as its voltage regulation due to transmission line load profile and local rural load variation. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CHAVES, JOAN SEBASTIAN; TAVARES, MARIA CRISTINA. Micro-loads electrification: Use of insulated shielding wires of a 500 kV transmission line. ENERGY FOR SUSTAINABLE DEVELOPMENT, v. 42, p. 109-120, FEB 2018. (14/16383-9)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

HUERTAS, Joan Sebastian Chaves. Electrification of small loads close to transmission line using electromagnetic coupling. 2016. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Elétrica e de Computação Campinas, SP.