| 摘要 |
<p>PURPOSE:To reduce the crest value of the pulse voltage a the finishing part of winding on each layer by a method wherein the electrostatic capacitance between the windings of the adjacent layer is provided in such a manner that the value in the vicinity of the starting end of winding is made larger than the value in the vicinity of the finishing end of winding. CONSTITUTION:When an impulsive current is made to flow on the primary side, each pulse voltage source (en) generates almost same magnitude of pulse voltage respectively. The voltage of each pulse voltage source (en) is added, and it is included in the capacitors C1 and C2 at the ending and the starting of winding. As the dielectric constant of synthetic resin 14a and 14b is in the relation of 14a<14B, the magnitude relation between C1 and C2 is C2<C1. To be more precise, the electrostatic capacitance between the adjacent layers on the part in the vicinity of the finishing end of winding is larger than that of the starting end of winding. The quantity of electric charge, which is instantaneously charged on each of the capacitors C1 and C2 when pulse is generated, is almost equal, and the more the electrostatic capacitance becomes larger, then more the voltage at both ends becomes small. To be more precise, voltage is in the state wherein it is hardly boosted in the finishing end of winding than the starting end of winding. Accordingly, if the electrostatic capacitance between the adjacent layers in the vicinity of the finishing end of winding, is increased against the conventional electrostatic capacitance, the crest value of the pulse voltage of that part can be reduced.</p> |
