US 2004/0070475 A1 · Transformer with forced liquid coolant

Abstract

In order to cool the windings, core and optionally the wall of the element (1) receiving the windings (3,4) and the core (2) as effectively as possible, conducting surfaces (5, 6, 8,15) are disposed inside said element in such a way that the flow of coolant initially passes along the windings (3,4), followed by the limbs (21,22) of the core surrounded by the windings, and subsequently the other areas (23, 24, 1). Said arrangement of conducting surfaces is particularly suitable for use with transformers having superconductive windings made of HTSL conductor material.

Claims16

Dependent claims

A transformer with forced liquid cooling, comprising:

a core and upper and lower voltage windings, which are each associated with one another concentrically, and arranged in a sealed tank which is provided with an inlet and an outlet for a liquid coolant which flows through the interior of the tank, and
guide surfaces which are used to guide the coolant being arranged between the inlet and the outlet such that the coolant flow has two or more flow areas which are arranged one behind the other in the flow direction, a first of which is associated with the windings, a second of which is associated with limbs of the core which surround the windings, and a third of which is associated with the other upper parts of the core and of the wall of the housing.

Dependencies are inferred from the claim text.

Facts

Application

10/677,446Filed 2 Oct 2003

Priority

DE 10117847.64 Apr 2001

Published

15 Apr 2004

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

H01F 27/12
Liquid cooling: oil cooling
H01F 27/322
Insulating of coils, windings, or parts thereof: the insulation forming channels for circulation of the fluid
H01F 36/00
Transformers with superconductive windings or with windings operating at cryogenic temperature
Y02E 40/60
Technologies for an efficient electrical power generation, transmission or distribution: superconducting electric elements or equipment; Power…

Transformer with forced liquid coolant

Life of this patent

Transformer with forced liquid coolant

Life of this patent

Abstract

Claims16