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Charge controller for solar panel based charging of lead-acid batteries
 Korenčiak, Peter ; Štohl, Radek (oponent) ; Fiedler, Petr (vedoucí práce)
This thesis deals with the design and implementation of a charge controller for multiple lead-acid batteries to be used in a solar system. Such controller enables an independent connection and charge control for each of more batteries with possibly different age and parameters. It is in contrast with solutions with one connection for multiple batteries connected in parallel, where mixing different battery types or ages is not recommended. This controller offers very high scalability of energy storage in solar system. It is also possible to use older batteries together with new ones instead of having to replace the old batteries when their capacity falls below required level. The requirements, hardware and software design along with the implementation of such controller with 20A nominal output current for five 12V lead-acid batteries are discussed in detail in this thesis. Additional features, alternative designs and algorithms are discussed as well. An important part of the work concentrates on high current switch design, short circuit protection as well as circuit for DC current measurement. Correct functionality of the implemented controller has been verified by measurements.
Úplný záznam
Charge controller for solar panel based charging of lead-acid batteries
 Korenčiak, Peter ; Štohl, Radek (oponent) ; Fiedler, Petr (vedoucí práce)
This thesis deals with the design and implementation of a charge controller for multiple lead-acid batteries to be used in a solar system. Such controller enables an independent connection and charge control for each of more batteries with possibly different age and parameters. It is in contrast with solutions with one connection for multiple batteries connected in parallel, where mixing different battery types or ages is not recommended. This controller offers very high scalability of energy storage in solar system. It is also possible to use older batteries together with new ones instead of having to replace the old batteries when their capacity falls below required level. The requirements, hardware and software design along with the implementation of such controller with 20A nominal output current for five 12V lead-acid batteries are discussed in detail in this thesis. Additional features, alternative designs and algorithms are discussed as well. An important part of the work concentrates on high current switch design, short circuit protection as well as circuit for DC current measurement. Correct functionality of the implemented controller has been verified by measurements.
Úplný záznam

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