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Help Center2014 Hot Sale 220kV SF6 Current Transformer in High Quality&Economical Price
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220kV SF6 Voltage TransformersNegotiableMOQ: 1 Piece
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220kV SF6 Current TransformerNegotiableMOQ: 1 Piece
The products are used in the 220 kV power system as a current, and power measurements with protection of outdoor products.
Main features: products for the upside-down, one or two using SF6 gas insulated between the performance is stable and reliable, the use of simple maintenance, product testing online SF6 gas density. Anti-moving products capable thermal stability, low temperature, safe and reliable operation, maintenance-free 10 years. Products high precision measurement (measuring 0.2-or 0.2-s), measured by grade-ceramic alloy winding high permeability core manufacturing performance. Novel structure, attractive appearance, high-strength aluminum alloy shell, made of hot galvanized by the base no corrosion at the same time cancel the base pipe welding, sealing links greatly reduced using conductive rod seal combination, these techniques have greatly enhanced the reliability of the product.
Main technical parameters:
Rated Voltage: 220 kV
Maximum voltage: 252 kV
Short-term frequency Pressure: 460 kV
Full-wave impulse withstand voltage: 1050 kV
Rated a current A :200-2500
Rated secondary current: 5 or 1
Accurate grade: 0.2 0.2s 5P 10P
Rated output VA :30-60
Instrument security factor: 5 10
Accurate coefficient limits: 15 20 25
Short-term thermal stability current (S 3) :31.5-50kA
Rated current dynamic stability :80-125 kA
SF6 gas, the gas leakage rate: ≤ 1
SF6 gas water: ≤ 250 ppm
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