Improvements in and relating to earthing choking coils or voltage transformers for high voltages

摘要

190,154. Pfiffner, E. Dec. 6,1921, [Convention date]. Addition to 173,759. Transformers. - In order to cbtair. equal voltage drops in the elements of the earthing-coil or voltage transformer described in the parent Specification, the successive elements are interlinked electromagnetically through compensating windings u1, u2.