Multi-phase large-current energy storage inductor

The utility model discloses a multiphase large-current energy storage inductor which comprises an upper plastic cover plate, a lower plastic cover plate, a runway type magnetic core set, an R type magnetic core set and a flat wire coil set. The runway type magnetic core group comprises a first runway type magnetic core and a second runway type magnetic core, the first runway type magnetic core is arranged in the upper plastic cover plate, and the second runway type magnetic core is arranged in the lower plastic cover plate; the R-type magnetic core group comprises three R-type magnetic cores, the three R-type magnetic cores are arranged between the first runway-type magnetic core and the second runway-type magnetic core side by side, and the outer side surface of each R-type magnetic core is coated with an insulating sheet; the flat wire coil group comprises two first flat wire coils which are wound in the same direction and a second flat wire coil which is wound in the opposite direction; the two first flat