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Overview
1.Rating: Rated voltage : HV equipment10KV and 12KV, LV equipment 0.4 KV.Rated current :HV equipment 630A, LV equipment 1500A.
2.Application: YB27 series substation is American type combined substation withfunction of high voltage control, protect, power transformation and distribution.Usually used in urban and rural power distribution system .The high voltage loadswitch and high voltage fuse of this product are installed in the oil of thetransformer, with the two structure: in same case with the transformer and indifferent case with transformer. It can be used in high-rise buildings, building inurban and rural areas, residential communities ,high-tech development areas,small and medium size factories, mining areas, oil fields, temporary constructionsites, and other premises.
3.Standard: IEC1330
Working Conditions
1.Ambient air temperature: -30℃~+40℃
2.Altitude: ≤1000m
3.Wind speed:34m/s ≤700pa
4.Relative humidity: Daily average relative humidity≤95%.Monthly average relative humidity≤95%.
5.Installation inclination:≤grade 8 .
6.Applicable in the places without corrosive and flammable gas.
Note: Customized products are available.
Types of meaning
| Y | B | 27 | - | 12 | / | 0.4 |
| Prefabricated type | Substation | Design No. | High voltage side rated voltage | Low voltage side rated voltage |
High quality components
Choose industry well-known brand electrica components installed. quaranteed
Silicon-steel plate cores
The iron core made of new cold-rolled sili cor steel sheet can save energy, reduce noise, esist corrosion and effestivelv reduce no-load loss
Plating copper row
Good conductivity, stable operation enhanced overload capacity, low line loss, not easy to oxidize, prolonged transformen ife
Current transformer
Epoxy resin casting by good insulationBolt tor grounding, change than precision
PRODUCT SIZE DESCRIPTI
Main technical parameters
| Item | Unit | H.V electrical equipment | Transformer | L.V electrical equipment | |
| Rated voltage | kV | 10 | 10/0.4 | 0.4 | |
| Rated current | A | 630 | 100-2500 | ||
| Rated frequency | Hz | 50 | 50 | 50 | |
| Rated capacity | kVA | 100-1250 | |||
| Rated thermal stability current | kA | 20/4S | 30/1S | ||
| Rated dynamic stability current (peak) | kA | 50 | 63 | ||
| Rated closing short-circuit current (peak) | kA | 50 | 15-30 | ||
| Rated breaking short circuit current | kA | 31.5 (Fuse) | |||
| Rated breaking load current | A | 630 | |||
| 1 min power frequency withstand voltage | kV | Between phases, to earth 42, to open contacts 48 | 35/28(5min) | 20/2.5 | |
| Lightning impulse withstand voltage | kV | Between phases, to earth 75, to open contacts 85 | 75 | ||
| Shell protection class | IP23 | IP23 | IP23 | ||
| Noise level | dB | 630 | Oil transfo rmer<55 Dry transformer<65 | ||
| Loops No. | 2 | 4~30 | |||
| Low voltage side max static var compe nsator | kvar | 300 | |||
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