@Override
 public void actionPerformed(ActionEvent e) {
   if (e.getSource().equals(viewMainFeeder.getBtnAdd())) {
     loadRegister();
   } else if (e.getSource().equals(viewMainFeeder.getBtnClose())) {
     viewMainFeeder.dispose();
   } else if (e.getSource().equals(viewMainFeeder.getBtnCalculateCurrentCapacity())) {
     this.calculate_conductor();
   } else if (e.getSource().equals(viewMainFeeder.getBtnCalculateBreakdown())) {
     this.calculate_breakDownVoltage();
   } else if (e.getSource().equals(viewMainFeeder.getCmbPhases())) {
     this.fill_combos_voltages();
   }
 }