Coil arrangement and transformer

Abstract

A coil arrangement for an electrical transformer is disclosed. The coil arrangement comprises a coil made from cast resin. The coil arrangement further includes a support base for supporting the coil. The coil arrangement further includes a coil block arranged between the support base and the coil. The coil arrangement further includes a coupling device configured for provision of a form fit between the support base and the coil block and extending into a recess of the coil block. The coupling device comprises a sliding member extending into the recess and configured for sliding relative to the support base along a sliding direction, and the coupling device comprises an elastic member providing a force along the sliding direction and pushing the sliding member away from the support base and/or towards the coil block.

Dependencies are inferred from the claim text.