A high-power surface-type permanent magnet synchronous motor optimization control method
A permanent magnet synchronous motor, optimized control technology, applied in motor generator control, electronic commutation motor control, control system and other directions, can solve problems such as inaccurate decoupling
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[0053] A high-power surface-type permanent magnet synchronous motor optimization control method, the method is implemented by the following steps:
[0054] Step a runs before step d begins;
[0055] Step b and step c run concurrently with step d after step d starts;
[0056] a. Off-line identification process of parameters:
[0057] a1. At the beginning of offline identification, query the temperature resistance comparison table of the stator according to the stator temperature value T of the permanent magnet synchronous motor acquired in real time, and obtain the stator resistance value R s4 ;
[0058] a2. Off-line identification process of stator inductance:
[0059] Apply a fixed vector voltage to the permanent magnet synchronous motor and maintain the voltage for a certain period of time, thereby positioning the direct axis of the permanent magnet synchronous motor; during the positioning process, the direct axis of the permanent magnet flux linkage of the permanent mag...
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