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This paper presents two strategies to decrease overall specific fuel consumption (OSFC) of power generator sets (gensets), which are: variable speed and stop-start operation. In variable speed operation the internal combustion engine (ICE) is able to run in a wide range of rotational speed, therefore providing a degree of freedom to minimize the OSFC of the genset. And in stop-start operation the...
This paper proposes a modified current pulse charging method for lead-acid batteries applied in a family of Uninterruptible Power Supplies with a bank of sealed lead-acid batteries (VRLA). The method is presented based on a phase-shift Full-Bridge converter with galvanic isolation. To confirm the results expected from the theoretical analysis a prototype is developed and experimental results are presented...
This paper describes a modified current pulse charging method for lead-acid batteries applied to a family of Uninterruptable Power Supplies with a bank of sealed lead-acid batteries (VRLA). The proposed method is presented based on a phase-shift Full-Bridge converter with galvanic isolation. Experimental results are presented to validate the proposed method.
This paper deals with a control system for voltage regulation in stand-alone generation systems based on self-excited induction generators (SEIG). It is considered a three-wire hybrid topology composed by switchable capacitor banks and distribution static compensator (DSTATCOM). While the switchable capacitor banks supply the most part of the reactive power for voltage regulation, the DSTATCOM is...
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