Basic MPPT for JS

mppt.js

setInterval(function() {
  // Define the parameters
  var vpv = 18; // The solar panel's output voltage
  var ipv = 2; // The solar panel's output current
  var vbat = 14.8; // The battery's voltage (4-series lithium polymer battery)
  var ibat = 0; // The battery's current
  var vmax = 20; // The maximum power voltage of the solar panel
  var imax = 2.5; // The maximum power current of the solar panel
  var max_vbat = 16.8; // Maximum voltage of the 4-series lithium polymer battery
  var min_vbat = 12.0; // Minimum voltage of the 4-series lithium polymer battery
  var max_ibat = 5.0; // Maximum current of the 4-series lithium polymer battery

  // Calculate the power output of the solar panel
  var pout = vpv * ipv;

  // Calculate the power input to the battery
  var pin = vbat * ibat;

  // Implement the MPPT algorithm with battery protection
  if (vpv < vmax && ipv < imax && vbat < max_vbat) {
    vpv = vpv + 0.1;
  } else if (vpv > vmax || ipv > imax || vbat >= max_vbat) {
    vpv = vpv - 0.1;
  }

  if (vbat <= min_vbat) {
    ibat = 0;
  } else if (vbat >= max_vbat || ibat >= max_ibat) {
    ibat = ibat - 0.1;
  } else {
    ibat = ibat + 0.1;
  }

  // Calculate the new power output of the solar panel
  pout = vpv * ipv;

  // Calculate the new power input to the battery
  pin = vbat * ibat;

  // Print the results
  console.log("Solar Panel Output Voltage: " + vpv + " V");
  console.log("Solar Panel Output Current: " + ipv + " A");
  console.log("Battery Voltage: " + vbat + " V");
  console.log("Battery Current: " + ibat + " A");
  console.log("Solar Panel Power Output: " + pout + " W");
  console.log("Battery Power Input: " + pin + " W");
}, 1000); // Run the code every 1000 milliseconds (i.e., every second)