一种基于三次谐波励磁同步电动机矢量控制系统

• Format: Patent
• Language: Chinese
• Published: 08.09.2023
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

本发明公开了一种基于三次谐波励磁同步电动机矢量控制系统，包括系统中电励磁同步电动机，所述系统中电励磁同步电动机与测速编码器、定子供电电路和整流电路连接；测速编码器与电励磁同步电动机、主控系统连接；定子供电电路与谐波提取电路、电励磁同步电动机和主控系统连接；谐波提取电路与定子供电电路和旋转变压器连接；旋转变压器与波提取电路和整流电路连接；整流电路与旋转变压器和电励磁同步电动机连接；主控系统与定子供电电路和测速编码器连接。本发明实现了将电励磁同步电动机定子侧谐波作为电机励磁源，通过提取定子供电线路中AB两相上的谐波能量作为励磁源，提高了系统的能源利用率、显著简化了系统的结构、使系统具有更好的通用性。 The invention discloses a synchronous motor vector control system based on third harmonic excitation; the system comprises an electro-magnetic synchronous motor, and the electro-magnetic synchronous motor in the system is connected with a speed measurement encoder, a stator power supply circuit and a rectification circuit; the speed measurement encoder is connected with the electro-magnetic synchronous motor and a main control system; the stator power supply circuit is connected with a harmonic extraction circuit, the electro-magnetic synchronous motor and the main control system; the harmonic extraction circuit is connected with the stator power supply circuit and a rotary transformer; the rotary transformer is