FILTER FOR SUPPRESSION OF SURGES IN MAINS LINES Russian patent published in 1999 - IPC

FIELD: electrical engineering, in particular, power supply of buildings, computer centers, and other heavy-power electronic equipment. SUBSTANCE: device has metal housing which is split into compartments by shielding walls, passing capacitors, inductance coils, as well high-frequency chokes and long-line unit, serial circuit of rejection chokes, units of heavy-current resistors and low-frequency chokes. In addition device has units for connection of power of single pulses. EFFECT: improved quality of surge suppression, increased range of suppressed surges, decreased weight and size of device. 4 cl, 9 dwg