WOUND CORE

This wound core comprises a wound core body in which multiple polygonal ring-shaped grain-oriented electromagnetic steel plates are laminated in a side view, wherein: flat sections and bent sections of the grain-oriented electromagnetic steel plates alternately continue in a longitudinal direction; and provided that in a flat section in the vicinity of at least one bent section, a three-dimensional crystal misorientation between two adjoining points in a sequence of points arranged at regular intervals in an extending direction of the bent section is defined as φ, the total number of measured data of φ as Nx, the number of data satisfying φ ≥ 1.0˚ as Nt, the number of data satisfying φ being 1.0˚ to less than 2.5˚ as Na, the number of data satisfying φ being 2.5˚ to less than 4.0˚ as Nb, and the number of data satisfying φ being 4.0˚ or greater as Nc, the following formulas (1) to (4) are satisfied. (1): 0.10 ≤ Nt/Nx ≤ 0.80 (2): 0.37 ≤ Nb/Nt ≤ 0.80 (3): 1.07 ≤ Nb/Na ≤ 4.00 (4): Nb/Nc ≥ 1.10