| 摘要 |
PROBLEM TO BE SOLVED: To provide a stationary induction apparatus which has superior fire preventiveness and long-period operation stability and is equipped with an on-loading tap switch. SOLUTION: The stationary induction apparatus with the on-loading tap switch is equipped with a tank, an electromagnetic induction equipment put in the tank together with a liquid insulator whose flash point exceeds 250°C and the in-loading tap switch which controls the voltage of the electromagnetic induction equipment, wherein the in-loading tap switch has a changeover opening/closing device and a tap selector, and silicone liquid to which specified polyol ester whose flash point exceeds 250°C is added is charged at least as the insulating medium of the tap selector. COPYRIGHT: (C)2009,JPO&INPIT
|
