Design and Analysis of Maintenance Free Lead Acid Battery System Used in UPS-Pratik Roy University of Windsor

  Design and Analysis of Maintenance Free Lead Acid Battery System Used in UPS Pratik Roy, Student Member, IEEE, Varun Kumar Vats, Student Member, IEEE and Pronay Kumar Chakrobarty, Student Member, IEEE 

 Abstract—Voltage interruption can be happened by several reasons like blackout, brownout, noise, spike etc. Those incidents have consequential effect on computer’s hardware such as data losses, burning of sensitive equipment etc. So, UPS broadly called an uninterruptible power supply device is used in computer to provide a backup power source which will maintain the consistency in voltage and flow of electricity which in turn will provide consistent power input. Batteries are used as energy storage device in UPS which store electric energy during charging state and discharge that electric energy during any kind of interruption to provide backup as additional power source for the computer. So, the most important integral part of UPS is the battery pack which is used as energy storage device in UPS. Main goal of this paper is to design the suitable battery pack for UPS so that it can give maximum backup range to the computer within a certain economical range or cost limit. Also, another goal is to analyze the electrical and thermal parameters of the designed battery pack and cell and suggest better solutions to make the wet battery cell maintenance free (no need of addition of water).

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