| 摘要 |
PROBLEM TO BE SOLVED: To suppress electrostatic charge on the surface of an insulator in a coolant circulation path at a lower portion of winding wire in oil-filled stationary induction electric equipment, and to suppress an increase in flow electrification due to deterioration over time. SOLUTION: Stationary induction electric equipment is formed by immersing an iron core, a coil comprising electric wire around which an insulating sheet attached to the iron core is wound, and an insulator that constitutes an insulator for coil insulation and a cooling path for an insulating cooling medium into the insulating cooling medium in a stationary induction electric equipment body. Absorbent for absorbing and capturing one or more of a Li ion, a Na ion, a K ion, a Ca ion, a Mg ion, and a Fe ion, is installed in the stationary induction electric equipment. COPYRIGHT: (C)2013,JPO&INPIT |
