H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F27/00 Details of transformers or inductances, in general
H01F27/34 Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
H01F27/36 Electric or magnetic shields or screens
H01F27/363 made of electrically conductive material