To improve the performance and stability of the permanent magnet synchronous motor (PMSM). a new type of built-in permanent magnet synchronous motor (IPMSMB) is proposed. Firstly. the performance indexes of IPMSM. https://www.lightemupsequences.com/deal-find-14K-Gold-plated-Lobster-Closure-Freshwater-Pearl-Bracelet-super-grab/