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