FIELD: electricity.
SUBSTANCE: power coil device comprises a magnetic core (4) which comprises the first pin (J1) and the second pin (J2) parallel to each other. The device comprises the first coil (B1) and the second coil (B2) to create mutual induction (M) between the coils (B1, B2), the first coil (B1) comprises the fist winding (E1) from the conductors around the first pin (J1) and the second winding (E2) from the conductors around the second pin (J2). The second coil (B2) comprises the third winding (E3) from the wires around the second pin (J2) and the fourth winding (E4) from the conductors around the first pin (J1). The first winding (E1) and the fourth winding (E4) cover the same section of the first pin (J1), limiting the leakage inductance of the coil power device.
EFFECT: reducing the size of the converters, reducing the energy dissipated by the Joule effect, reducing the negative effect of leakage inductance.
9 cl, 14 dwg
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