This inverter is made up of three independent single-phase inverters.Each inverter can work separately.The analysis shows that it has good performance even with unsymmetrical load.

• 这种逆变器由三个单相逆变器构成，三相彼此独立控制，每一相即可单独工作又可组合成三相逆变器，因此带不平衡负载能力强，使用场合灵活。