An alternating current, AC, turnout apparatus (AC turnout apparatus), comprising a point machine control part and a logic part (Logic part), the point machine control part comprises a drive part and an indication part which are independent of each other, each of the drive part and the indication part is capable of implementing data connection with the logic part, wherein the drive part is configured to control a point machine to operate a fixed rotation or a reverse rotation according to a control instruction of the logic part; the indication part is configured to acquire indication information of the point machine, and send the acquired indication information of the point machine to the logic part; wherein the drive part comprises a three-phase power source switch circuit, a three-phase current isolation acquisition circuit, a three-phase electronic switch circuit (Electronic switch), and a commutation and wire system conversion circuit, wherein the three-phase power source switch circuit is configured to implement on-off control for a three-phase alternating current; the three-phase current isolation acquisition circuit is configured to acquire currents in respective phases of the three-phase current, and determine whether the three-phase current is complete and whether the point machine has been driven in place; the three-phase electronic switch circuit is configured to increase reliability of the three-phase power source switch circuit and the commutation and wire conversion circuit; the commutation and wire system conversion circuit is configured to implement commutation of the three-phase current, perform multi-wire system conversion, and control a point machine having a multi-wire system; wherein the commutation and wire conversion circuit comprises a plurality of switch circuits, wherein each of the plurality of switch circuits is connected in parallel to two phase lines of the three-phase alternating current. characterized in that, the three-phase power source switch circuit comprises a switch circuit (Safety Relay) and a security acquisition unit (Safety acquisition), wherein the switch circuit is configured to perform an on-off action according to a control signal to implement the on-off control for the three-phase alternating current; the security acquisition unit is configured to acquire an on-off state of the switch circuit; wherein the drive part is configured to control a point machine to operate a fixed rotation or a reverse rotation according to a control instruction of the logic part; the indication part is configured to acquire indication information of the point machine, and send the acquired indication information of the point machine to the logic part; wherein the drive part comprises a three-phase power source switch circuit, a three-phase current isolation acquisition circuit, a three-phase electronic switch circuit (Electronic switch), and a commutation and wire system conversion circuit, wherein the three-phase power source switch circuit is configured to implement on-off control for a three-phase alternating current; the three-phase current isolation acquisition circuit is configured to acquire currents in respective phases of the three-phase current, and determine whether the three-phase current is complete and whether the point machine has been driven in place; the three-phase electronic switch circuit is configured to increase reliability of the three-phase power source switch circuit and the commutation and wire conversion circuit; the commutation and wire system conversion circuit is configured to implement commutation of the three-phase current, perform multi-wire system conversion, and control a point machine having a multi-wire system; wherein the commutation and wire conversion circuit comprises a plurality of switch circuits, wherein each of the plurality of switch circuits is connected in parallel to two phase lines of the three-phase alternating current. characterized in that, the three-phase power source switch circuit comprises a switch circuit (Safety Relay) and a security acquisition unit (Safety acquisition), wherein the switch circuit is configured to perform an on-off action according to a control signal to implement the on-off control for the three-phase alternating current; the security acquisition unit is configured to acquire an on-off state of the switch circuit;