10-05-2017, 06:59 AM
Program for battery level indication using 8051 microcontroller
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battery level indicator using 8051 microcontroller
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Program for battery level indication using 8051 microcontroller
11-05-2017, 10:15 AM
The battery management system (BMS) forms a crucial component of the system in various applications such as electric vehicles (EV), hybrid electric vehicles (HEVs), uninterruptible power supplies (UPS), telecommunications, etc. The accuracy of these systems has always been a point of discussion since they generally give an error of maximum 10% considering all the parameters together. In this work a system is presented that is developed using microcontrollers of low cost for the measurement of the temperature of the electrolyte, electrolyte level and no. Of the parameters of the backup hours of the lead-acid batteries. Since the batteries, which would be used in the hybrid electric vehicle (HEV), are lead-acid batteries, will be the focus of this project. While the current prototype system counts only to measure the hours of backup of a car in a stationary as well as in a run mode. With the help of this, we are able to know the battery life and its efficiency. Data backup is also provided to store all the records of the battery.
Battery level indicator Circuit principle:
The heart of this battery level indicator circuit is LM3914 IC. This IC takes the analog input voltage and conducts 10 LEDs linearly according to the analog input voltage. In this circuit there is no need for resistors in series with led because the current is regulated by the IC.
Battery level indicator Circuit diagram:
![[Image: Battery-Level-Indicator-Circuit-Diagram-768x603.jpg]](http://www.electronicshub.org/wp-content/uploads/2014/07/Battery-Level-Indicator-Circuit-Diagram-768x603.jpg)
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