Method and apparatus for drying transformer parts

Details Method and apparatus for drying transformer parts Method and apparatus for drying transformer parts

1990-01-04

1992-07-21

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 1R, F26B 334

Patent

active

051311674

ABSTRACT:
The invention relates to a power supply for the electric drying of transformer parts, particularly paper insulation of the windings. For this purpose, a converter is selected as a voltage source which converts an alternating voltage, e.g. alternating supply voltage of 50 Hz, into a variable frequency in the range of 0 and 25 Hz.

REFERENCES:
Leistungselektronik, vol. 2, Springer-Verlag, Vienna & New York Grundlagen der Leistungselektronik-Heumann, 1975, pp. 107-109.
Transformer Drying Equipment-National Industri, Drammen, Norway.

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