Abstract

Batteries are an important component in the implementation of renewable energy. One type of battery that is often used in the implementation of renewable energy is lead-acid batteries. Accurate estimation of the SOC (state of charge) value is one of the important parameters in the design of a BMS (Battery Management System). Accurate determination of the estimation of the SOC value is necessary to avoid the battery operating in an over charge and over discharge state. One method of estimating SOC that is quite easy and often used is Coulomb Counting. The determination of SOC estimation by this method is carried out by adding up the incoming charge or the charge coming out of the battery within a certain period of time. Charge summation can be done by summing the current in the battery, both at the time of charging and discharge. In this research, SOC monitoring tool was designed using the coulomb counting method to monitor the SOC value of the battery both at the time of charging and discharge. In its implementation, this method is very dependent on the accurate initial SOC value and the accuracy of the current sensor used. The type of current sensor used in this SOC monitoring tool is ACS712 which has good accuracy. Based on the results of the tests carried out, the amount of charge on the battery is directly proportional to the SOC on the battery itself.

Original languageEnglish
Title of host publication2022 10th International Conference on Smart Grid and Clean Energy Technologies, ICSGCE 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages78-84
Number of pages7
ISBN (Electronic)9781665487535
DOIs
Publication statusPublished - 2022
Event10th International Conference on Smart Grid and Clean Energy Technologies, ICSGCE 2022 - Virtual, Online, Malaysia
Duration: 14 Oct 202216 Oct 2022

Publication series

Name2022 10th International Conference on Smart Grid and Clean Energy Technologies, ICSGCE 2022

Conference

Conference10th International Conference on Smart Grid and Clean Energy Technologies, ICSGCE 2022
Country/TerritoryMalaysia
CityVirtual, Online
Period14/10/2216/10/22

Keywords

  • coulomb counting
  • initial SOC
  • lead-acid
  • state of charge

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