def switch(self):
        """Switch if time for eAgc has come"""
        t = self.system.dae.t
        for idx in range(0, self.n):
            if t >= self.tl[idx]:
                if self.en[idx] == 0:
                    self.en[idx] = 1
                    logger.info(
                        'Extended ACE <{}> activated at t = {}.'.format(
                            self.idx[idx], t))
Switch if time for eAgc has come