The invention relates to a calculation method and a control system for traction force of a linear synchronous motor of a maglev train. The method comprises the following steps: S1, determining the number of electromagnets of the linear synchronous motor on one side of the maglev train according to the marshalling number of the maglev train and the system of the maglev train; s2, calculating a stator current amplitude and a current phase angle of the linear synchronous motor of the maglev train; s3, establishing a magnetic co-energy model by considering the influence of excitation current, and calculating to obtain the magnetic co-energy and flux linkage of each electromagnet module; and S4, the traction force of each electromagnet module and the total traction force of the linear synchronous motor of the maglev train are calculated. Compared with the prior art, the method provided by the invention is deduced based on the magnetic co-energy model of the single electromagnet module, the magnetic co-energy model considers the influence of excitation current, the calculation model is high in precision and easy to use, and the method has a very high application value point.
本发明涉及一种浮列车直线同步电机牵引力计算方法及控制系统,该方法包括以下步骤:步骤S1、根据磁浮列车编组数量和磁浮列车制式确定磁浮列车一侧直线同步电机的电磁铁数量;步骤S2、计算磁浮列车直线同步电机的定子电流幅值和电流相角;步骤S3、考虑励磁电流的影响建立磁共能模型,计算得到每个电磁铁模块的磁共能和磁链大小;步骤S4、计算每个电磁铁模块的牵引力大小和磁浮列车直线同步电机总的牵引力大小。与现有技术相比,本发明提出的方法基于单个电磁铁模块的磁共能模型推导得到,且磁共能模型考虑了励磁电流的影响,计算模型精度高,易于使用,具有很高的应用价值点。
Calculation method and control system for traction force of linear synchronous motor of maglev train
磁浮列车直线同步电机牵引力计算方法及控制系统
2023-08-01
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR |
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