FIELD: electrical engineering; porcelain-cover surge protective devices. SUBSTANCE: device has cylindrical porcelain cover with flanges on ends and varistors mounted inside cover. Inner diameter of cover is found from scale- effect including mathematical expression given in description of invention. EFFECT: optimal design characteristics of cover. 1 cl, 2 dwg, 2 tbl
Title | Year | Author | Number |
---|---|---|---|
SURGE PROTECTIVE DEVICE | 2001 |
|
RU2201633C2 |
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RU2207643C1 |
VOLTAGE SURGE PROTECTIVE DEVICE | 2003 |
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RU2250523C2 |
SURGE PROTECTIVE GEAR | 2000 |
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RU2172036C1 |
SURGE VOLTAGE PROTECTIVE GEAR | 1995 |
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RU2097862C1 |
SURGE PROTECTIVE DEVICE | 2004 |
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RU2258269C1 |
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OVERVOLTAGE PROTECTION DEVICE | 2009 |
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Authors
Dates
2003-06-27—Published
2001-05-10—Filed