FIELD: electrical engineering; outdoor high-voltage circuit-opening devices. SUBSTANCE: surge protective device has cover with ribs of optimal design and varistors disposed inside cover. Overhang of each rib is chosen from mathematical expression given in description of invention. EFFECT: reduced mass of device. 1 cl, 2 dwg, 2 tbl
| Title | Year | Author | Number | 
|---|---|---|---|
| VOLTAGE SURGE PROTECTIVE DEVICE | 2003 | 
 | RU2250523C2 | 
| SURGE PROTECTIVE DEVICE | 2001 | 
 | RU2201633C2 | 
| SURGE PROTECTIVE DEVICE | 2001 | 
 | RU2207642C2 | 
| SURGE PROTECTIVE GEAR | 2000 | 
 | RU2172036C1 | 
| SURGE VOLTAGE PROTECTIVE GEAR | 1995 | 
 | RU2097862C1 | 
| SURGE PROTECTIVE DEVICE | 2004 | 
 | RU2258269C1 | 
| OVERVOLTAGE PROTECTION DEVICE | 2009 | 
 | RU2414784C2 | 
| SURGE PROTECTIVE GEAR | 2000 | 
 | RU2172035C1 | 
| OVERVOLTAGE PROTECTION DEVICE | 0 | 
 | SU1403108A1 | 
| INSULATOR | 0 | 
 | SU1573474A1 | 
Authors
Dates
2003-06-27—Published
2002-01-31—Filed