35KV SCB10 Series Epoxy Resin Casting Dry-type Distribution Transformer
The 35KV SCB10 Series Epoxy Resin Casting Dry Type Distribution Transformer is suitable for special electricity occasions with direct conversion from 35kV electricity grid voltage to 400V. Compared with 6 to 10kV distribution transformer, this type of transformer has higher requirements for product manufacturing. Therefore, the unique transformer casting local discharge control technology and internal stress control process are adopted to control the internal insulation at the most ideal state, so as to guarantee key performance of the transformer.
Model Description
Technical Parameters
Rated
Capacity
(KVA)
Voltage Combination
Connection
Unit Symbol
Idle Load Loss (W)
Load Loss 155℃ (W)
No-load
Current (%)
Short-circuit Impedance (%)
High-voltage (KV)
Tapping (%)
Low-voltage (KV)
800
35
±2×2.5 ±5
3.15 6 6.3 10 10.5 11
Dyn11 Yd11 Y yn0
2250
9100
0.95
6
1000
2670
10900
0.95
1250
3130
12900
0.85
1600
3690
15400
0.85
2000
4230
18200
0.75
7
2500
4860
21800
0.75
3150
6030
24500
0.7
8
1. The high-quality cold rolled oriented silicon steel sheet is selected for the iron core, which has 45° fully beveled seam and five-step folding iron mode. Both the core column and the iron yoke have the multi-stage round section shape, low no-load loss and low noise can be obtained.
2. According to the transformer capacity, the flat copper wire wrapped with double glass paints is adopted as the high-voltage conductor, and Grade H glass fiber cloth and glass felt are adopted for inter-laminar insulation. The low-voltage conductor is wounded with copper foil, epoxy resin prepreg cloth is adopted for inter-laminar insulation. Both of them have very high mechanical strength and resistance to sudden short circuit.
3. The coordination structure between the low magnet steel pulling plates and clamps is adopted, sand blasting and plastic spraying are conducted, and the overall structure is artistic and has high mechanical strength.
4. Each phase is equipped with the independent axial flow blower and split-type thermostat, which can effectively reduce temperature rise, improve transformer output capacity, and guarantee safe operation of the transformer.
Rated Capacity (KVA)
Dimensions (mm) L × W × H
Weight (kg)
800
1000
1250
1600
2000
1915×1320×1750
4800
2500
3150
1. Safe, fire-proof and pollution-free. It can be directly operated at the load center.
2. Adopting the HTT technology from Germany. with high mechanical strength, strong anti-short circuit capacity, small local discharge and good thermal stability.
3. Small volume, light weight, less space occupying and convenient installation
4. Low loss, low noise, maintenance-free and remarkable energy-saving effects
5. Damp-proof, mildew proof, salt fog proof, good heat dissipation, suitable for operation at high elevation, high humidity and other harsh environments
1. The elevation shall not exceed 1000m
2. Ambient temperature Maximum temperature +40℃/+104oF
Maximum daily average temperature +30℃/+86oF
Maximum annual average temperature +20℃/+68oF
Minimum temperature -30℃ / -22 oF (applicable for the outdoor transformer)
Minimum temperature -5℃/+23oF (applicable for the indoor transformer)
3. The waveform of the supply voltage is similar to a sine wave
4. The supply voltage connected with the multi-phase transformer shall be approximately symmetrical.
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