the load on the transformer in the second magnetic circuit of the magnetic flux density to reduce the phenomenon that the magnetic circuit, the first and the second magnetic circuit of the section relative to the size of the fire, do not let the light and the material to be cut in order to the leakage transformer can transform e core.;it is the first of his association with the formation of the bridge (4) to (6) and (8) of the cross section than the second side, with the formation of their legs (14), (16), (18) of a small sectional area so that the map in the control (10) can be formed, the control part (10), a second coil (C2) winding the scope is limited. a hole (12) formed with a structure.
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