The internal structure of the motor is mainly iron core, SMC iron core, and the usual iron core used by the motor. The SMC iron core material is Silicon added to the iron sheet to reduce the conductivity of the steel sheet and increase the resistivity. It can reduce the eddy current. Make its loss reduced. What will be introduced to you by the next small editor is the iron core, SMC iron core function and maintenance:
We usually call the Silicon steel sheet as the Silicon steel sheet, the iron core, and the quality of the SMC iron core. The quality of the Silicon steel sheet is usually expressed by the flux density B. The B value of the general black iron sheet is 6000-8000, the low Silicon sheet is 9000-11000, and the high Silicon sheet is 12000-16000.

　　Among the many types of iron cores, SMC iron cores, the iron cores of the coil iron center distribution motor use cold rolled Silicon steel sheets with a thickness of 0.30 mm or 0.27 mm, and a ladder-type rolled iron core structure with no seams is used in the iron core winding machine. Made of, The first two small frame iron cores are wound, and then a large frame is rolled outside the two small frame iron cores to form a three-phase roll iron core. After the roll is completed, it is loaded into an iron core annealing furnace and annealed by vacuum and nitrogen filling. Its iron core performance can be fully restored. Therefore, This series of motors is very low in empty load loss, which is 30 % lower than the average of the S9 series 10KV distribution motor. It is a better low-loss distribution motor.
Since the iron core plays a pivotal role, it is necessary to prevent the aging and damage of the iron core insulation during use, and the iron core causes insulation aging through long-term heat, and it must be regularly stopped for rest and maintenance.
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