Galvanically isolated delivery of power to high voltage circuits parts
First Claim
1. A high voltage apparatus comprising a means for delivering high voltages to a load, and a housing in which the high voltage delivery means is arranged, wherein the housing includes a plurality of walls, one of which is non-conductive and includes a transformer for delivering a low voltage supply to a switch system, the transformer having a primary coil and core arranged in a first insert on a first side of the wall and a secondary coil and core arranged in a second insert on a second side of the wall, whereby power can be magnetically coupled across the wall, and wherein the first and second inserts have a conductive coating formed on the surfaces thereof and are arranged between the first side of the wall and the primary coil and core, and the second side of the wall and the secondary coil and core, and wherein the inserts are shaped to minimize electric stresses.
4 Assignments
0 Petitions
Accused Products
Abstract
A high voltage switching apparatus delivers kV pulses to a load such as a magnetron. The switching apparatus comprises a switching stack surrounded by capacitors and both arranged within a housing. Lt power is supplied to the stack, e.g. for control electronics, by magnetic coupling across a non-conducting wall of the housing. Annular inserts are arranged on either side of the wall. Each insert receives a transformer core and winding. The bottom surfaces of the inserts carry a conductive coating to minimise electric stresses. Ht power is also supplied through the wall.
-
Citations
14 Claims
- 1. A high voltage apparatus comprising a means for delivering high voltages to a load, and a housing in which the high voltage delivery means is arranged, wherein the housing includes a plurality of walls, one of which is non-conductive and includes a transformer for delivering a low voltage supply to a switch system, the transformer having a primary coil and core arranged in a first insert on a first side of the wall and a secondary coil and core arranged in a second insert on a second side of the wall, whereby power can be magnetically coupled across the wall, and wherein the first and second inserts have a conductive coating formed on the surfaces thereof and are arranged between the first side of the wall and the primary coil and core, and the second side of the wall and the secondary coil and core, and wherein the inserts are shaped to minimize electric stresses.
Specification