A mine explosion-proof frequency conversion mobile substation
A mobile substation, explosion-proof technology, applied in distribution substation, substation/distribution device shell, substation/switch layout details, etc., can solve the problem that the maximum output power cannot reach the rated power of the motor, increase the electrical stress of the motor winding and Generate heat, reduce the life of the motor, etc., to achieve the effect of saving maintenance costs, convenient wiring, and prolonging the service life
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[0027] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples, and detailed descriptions are as follows with accompanying drawings:
[0028] See figure 1 with figure 2 , An explosion-proof variable frequency mobile substation for mines, including an iron core 1, a coil wound on the iron core 1, the coil is composed of a high voltage coil 8, a low voltage coil 7 and an auxiliary coil 5, wherein: the low voltage coil 7 is on the high voltage line On the outside of the ring 8, there is an insulating cylinder between the low voltage coil 7 and the high voltage coil 8. The high voltage coil 8 adopts a cylindrical structure, and the low voltage coil 7 adopts a pie structure; the auxiliary coil 5 is located under the low voltage coil 7; the iron core 1 The cross-section of is oblong; the low-voltage coil 7 is composed of nine secondary windings 7-1, and the nine secondary windings 7-1 are connected by ex...
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