Product usage
SC (B) 10 epoxy resin cast dry-type transformer is manufactured according to standard of Dry-type Power Transformer, characterized with low performance loss, good energy saving effect, economic operation and no maintenance. In addition to high process structure metal, short-circuit resistance and lightning impulse level, it is still characterized with flame retardant, damp-proof, dust-proof and low noise, which can be connected to load center. It is widely used in high-rise buildings, airport, station, wharf, power plant, transformer substation, etc., especially applicable to be used in places with high fire protection requirements for flammable and combustible materials.
Standard transformer produced by the Company has no case, with the protection level of IP00, and case with the protection level of IP20 and IP23 can be provided as required by clients. Housing is made of such materials as common steel plate, corrosion resistant plate and aluminum alloy and then treated with acid pickling, phosphorization and plastics spraying according to the requirements of clients. Temperature control indicator and load recorder are installed on the low-tension side of the housing, convenient for observation and safe and reliable.
Product overview
Performance index of dry-type transformer produced by the Company meets various standards and it is demonstrated by users to have reliable operation and reach the national advanced level. This series of products are manufactured by using advanced foreign technology and design drawings and technical documents are complete, accurate and clear. The Company has advanced production equipment, stable manufacturing process and complete testing methods to provide solid guarantee for producing high-quality products.
Performance parameters
1. See the table for main performance parameters of SC (B) 10
2. Number of phases: 3-phase
3. Frequency: 50Hz
4. Insulation endurance class: Class F
5. Average temperature rise of winding: ≤100K
6. Magnitude of partial discharge: <5pc
Main performance parameters for SC (B) 10 33~38.5KV voltage regulating power transformer without excitation
Model | Connection symbol | Voltage combination (KV) | No-load loss (W) | Load loss (W) | No-load current (%) | Short circuit impedance (%) | ||
High- voltage | Tapping range | Low-voltage | ||||||
SC10-800 | Dyn11 Yd11 Yyn0 | 33~38.5 | ±5% ±2×2.5% | 3.5 6 6.3 10 10.5 11 | 2200 | 9400 | 1.1 | 6.0 |
SC10-1000 | 2610 | 10800 | 1.1 | |||||
SC10-1250 | 3060 | 11900 | 1.0 | |||||
SC10-1500 | 3600 | 15400 | 1.0 | |||||
SC10-2000 | 4130 | 18200 | 0.9 | 7.0 | ||||
SC10-2500 | 4750 | 21800 | 0.9 | |||||
SC10-3150 | 5880 | 24500 | 0.8 | 8.0 | ||||
SC10-4000 | 6860 | 29400 | 0.8 | |||||
SC10-5000 | 8180 | 34960 | 0.7 | |||||
SC10-6300 | 9680 | 40800 | 0.7 | |||||
SC10-8000 | Dyn11 Yd11 YNd11 | 11000 | 46060 | 0.6 | 9.0 | |||
SC10-10000 | 6 6.3 10.5 11 | 12660 | 56500 | 0.6 | ||||
SC10-12500 | 15400 | 64600 | 0.5 | |||||
SC10-16000 | 18900 | 76000 | 0.5 | |||||
SC10-20000 | 22400 | 85500 | 0.4 | 10.0 | ||||
Insulation level
Voltage classes KV | Maximum running voltage KV (effective value) | Rated short-time power frequency withstand voltage KV (effective value)/1 minute | Rated lightning impulse withstand voltage kV (peak value) | |
Full wave | Clipped wave | |||
0.4 | 0.46 | 5 | 75 | 85 |
10 | 12 | 35 | 75 | |
20 | 24 | 50 | 125 | |
35 | 42 | 70 | 170 | |
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