Photovoltaic System Components Quiz
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Questions and Answers

What is the main purpose of charge controllers in battery-based PV systems?

  • To manage charging parameters and prevent overcharging or over discharging of batteries (correct)
  • To monitor the temperature of the batteries
  • To regulate the voltage output of the PV array
  • To increase the charging current to maximize battery capacity

    • What does the absorption stage of battery charging involve?

  • Delivering maximum allowable current to bring the state of charge up to 80 – 90%
  • Applying constant-voltage regulation to reduce the charge current gradually (correct)
  • Monitoring the battery voltage to determine the state of charge
  • Reducing the charging current to keep the battery at maximum capacity

    • What is the responsibility of the charge controller in a battery-based PV system?

  • Monitoring the temperature of the batteries
  • Maximizing the current flow to the batteries
  • Controlling both the charging and discharging processes (correct)
  • Regulating the voltage output of the PV array

    • What can enhance the ability of a charge controller to maintain battery health and maximize capacity?

    <p>Temperature compensation, alarms, and special charging algorithms</p> Signup and view all the answers

    What is the purpose of the float stage in battery charging?

    <p>To further reduce the charging current to keep the battery at maximum capacity</p> Signup and view all the answers

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