Under this mode, regulator operate under host/standby mode, host/standby channel communicate each other, backup channel work as a backup trailing channel, and also can switch without disturbance.

• 在无刷励磁模式下，调节器可在主备两种模式下运行，主备用通道可相互通讯，后备通道作为热备跟踪通道，并能实现无扰动切换。