Concepção de um dispositivo de monitoramento e atuação para sistemas de proteção em baixa tensão
With the advancement of micro generation technologies and the increasing number of system users, a low voltage distribution network needs to be increasingly robust to detect future problems generated by these new challenges. Low voltage electrical protection systems are generally limited to overc...
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| Formato: | Dissertação |
| Idioma: | pt_BR |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/jspui/handle/123456789/30024 |
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| Resumo: | With the advancement of micro generation technologies and the increasing number of
system users, a low voltage distribution network needs to be increasingly robust to detect
future problems generated by these new challenges. Low voltage electrical protection
systems are generally limited to overcurrent protections, where the actuator elements are
mostly electromechanical devices. Although they have been appropriated for a long time,
insertion of nonlinear devices into the power grid can cause some disturbances that can
be sensitized by simple devices. However, in medium and high voltage systems there are
complex advanced use devices that have a number of functions for protection. The present
idea of design is constructed and implemented a prototype low voltage protection system
that can, in part, protective functions that are unique to higher voltage systems. The
prototype uses an ATMEGA 2460 microcontroller, installed on an “MEGA” arduino board,
with utilization and performance components (TCs, TPs, Shields, Contactor). It is hoped
that with the implementation of the project in a low voltage system, it will be able to protect
itself more efficiently when being observed in the installed systems, and also to obtain more
data for monitoring. The prototype also contains an oscillography function that allows a
more complete analysis of the data obtained by the protection system. It also contains a
bluetooth communication system for communication with smartphones, enabling real-time
data response. The objective or minimum cost project that can be seen as one of its
objectives is its collaborative accessibility to be implemented in as many systems as
possible. |
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