Battery current measurement method for solar-powered communication cabinet

For Telecom Applications

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Author Topic: Optimal/alternate methods for efficient current measurement (Solar/Battery) (Read 1694 times) 0 Members and 1 Guest are viewing this topic.

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Indonesian Journal Electrical Engineering and Computer

In this research, a BMS is developed using the coulomb counting method to estimate the SoC value of a lead-acid battery. The coulomb counting algorithm provides a

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Design of the VRLA Battery Real-Time Monitoring System

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View/Download Battery current measurement method for solar-powered communication cabinet [PDF]

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4 FAQs about Battery current measurement method for solar-powered communication cabinet

How can a BMS estimate the SOC value of a lead-acid battery?

In this research, a BMS is developed using the coulomb counting method to estimate the SoC value of a lead-acid battery. The coulomb counting algorithm provides a reliable estimation of the battery’s SoC value by calculating the incoming and outgoing currents.

How does a BMS measure bidirectional battery pack current?

Therefore, in discharging mode, current flows in the opposite direction from charging mode, out of the HV+ terminal. Generally, a BMS measures bidirectional battery pack current both in charging mode and discharging mode. A method called Coulomb counting uses these measured currents to calculate the SoC and SoH of the battery pack.

How does Coulomb count a battery?

The coulomb counting algorithm reliably estimates the battery’s SoC value by calculating the incoming and outgoing currents. The maximum voltage is set at 14 V, equivalent to 100% SoC, and the minimum voltage is set at 11.6 V, equivalent to 20% SoC. The BMS uses two normally closed relays as part of system management.

What are battery monitoring systems used for?

According to the specific needs of different fields, there have been relevant battery monitoring systems applied to the photovoltaic standalone lighting system , renewable energy storage system , automobile power system , etc.