how to build a transformerless dc-ac inverter for photovoltaic system in javascript

index.tsx
// Define the power stage using MOSFETs
var MOSFET1 = 0;
var MOSFET2 = 1;
var MOSFET3 = 2;
var MOSFET4 = 3;

// Define the PWM frequency and duty cycle
var frequency = 50; // Hz
var dutyCycle = 50; // %

// Calculate the pulse width based on the duty cycle
var pulseWidth = 1 / frequency * dutyCycle;

// Implement the control algorithm
function controlAlgorithm(desiredVoltage, desiredFrequency) {
  var currentVoltage = 0;
  var currentFrequency = 0;
  
  // Adjust the output voltage and frequency based on the desired values
  // Use a PI controller to maintain the desired values
  // You can adjust the gains of the PI controller to optimize the performance
  
  return [currentVoltage, currentFrequency];
}

// Generate the pulses for the power stage
function generatePulses() {
  var pulses = [];
  
  // Use PWM modulation technique to generate the pulses
  // Calculate the pulse timing based on the control algorithm
  
  pulses[MOSFET1] = true;
  pulses[MOSFET2] = false;
  pulses[MOSFET3] = true;
  pulses[MOSFET4] = false;
  
  return pulses;
}
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