High-tension transformer particularly for use with discharge-typ
Inductive voltage transformer and circuit therefor
Insulated lightning arrester support with remote grounding contr
Internal arc gap for secondary side surge protection
Internal arc gap for secondary side surge protection and dissipa
Lightning arrester system for underground loop distribution circ
Luminous tube protection circuit
Magnetic coil assembly with surge absorber
Magnetizing inrush restraint method and relay for protection...
Method and device for prevention against explosion and fire of e
Method and device for prevention and protection of...
Method and equipment for the protection of power systems...
Method and means for suppressing geomagnetically induced current
Method and means for suppressing geomagnetically induced current
Method and system of transformer protection and method and syste
Microtransformer for system-on-chip power supply
Microtransformer for system-on-chip power supply
Mini-transformer with molded cover and retention structure
Mounting construction of a tank-type lightning arrester for a ne
Open circuit current transformer protection circuit