Customization: | Available |
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Application: | Power, Electronic, Instrument, Lighting, Rectifier |
Phase: | Three |
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This 250 KVA cast coil dry type transformer was delivered to shaghai. the rated power of the transformer is 250 KVA. the primary voltage of the transformer is 33 KV and secondary voltage is 0.415 KV. The dry type transformer equipped with temperature controller, it can control to stop, over-temperature alarm and ultra-high temperature tripping to ensure the safe operation of dry power transformer. Our 250 KVA cast coil transformer was designed with advanced technology and adopts high quality material and components which result in reliable quality and long operation time.
We ensure that each one of our delivered units has undergone rigorous full acceptance testing. We provide one-package service from consulting, quoting, manufacturing, installation, commissioning, training to after sale services, our products are now operating in more than 50 counties in the world. We aim to be your most reliable supplier as well as your best partner in business!
Temperature control system
Built-in PT100 probes in 3 phase windings to detect the real-time temperature of windings and cycle display them in the digital screen.
Open circuit alarm and fault self-check alarm display and signal output.
3 stages automatically actions while the temperature reached to the set value, 1st stage the cooling fans start automatically, 2nd stage high temperature alarm,3rd stage over temperature trip.
Fans manual/auto control switch, timing start/stop, history data output.
4-20mA current output
RS485 Modbus communication protocol
Environment temperature measurement
Core temperature measurement
Dry Type Transformer Advantages:
1. No Fire Hazard
2. Safety for people and property
3. Outage customer costs
4. Ecological and Environmentally Friendly
5. Maintenance & Pollution Free
6. Suited for damp and/or contaminated
7. Excellent resistance to short circuit effect
8. Excellent capacity to support overload
9. Excellent performance toward seismic phenome
10. Saving Costs give lower installation related costs
11. Easy Installation
Product: resin cast dry type transformer
Voltage level: up to 35KV
Rating level: up to 20MVA
The transformer can be designed according to customer's requirements
SCB 10 | ||||||||
Rated capacity (KVA) | Voltage Combination andTap range | Vector group Symbol | No-load loss (W) | Load loss (W) | Impedance Voltage(%) | No-load current(%) | ||
HV(KV) | HVTap range(%) | LV(KV) | ||||||
30 | 6 6.3 10 10.5 11 | ±5% or ±2*2.5% | 0.4 | Dyn11 | 190 | 710 | 4.0 | 2.0 |
50 | 270 | 1000 | 2.0 | |||||
80 | 370 | 1380 | 1.5 | |||||
100 | 400 | 1570 | 1.5 | |||||
125 | 470 | 1850 | 1.3 | |||||
160 | 540 | 2130 | 1.3 | |||||
200 | 620 | 2530 | 1.1 | |||||
250 | 720 | 2760 | 1.1 | |||||
315 | 880 | 3470 | 1.0 | |||||
400 | 980 | 3990 | 1.0 | |||||
500 | 1160 | 4880 | 1.0 | |||||
630 | 1300 | 5960 | 6.0 | 0.85 | ||||
800 | 1520 | 6960 | 0.85 | |||||
1000 | 1770 | 8130 | 0.85 | |||||
1250 | 2090 | 9690 | 0.85 | |||||
1600 | 2450 | 11700 | 0.85 | |||||
2000 | 3050 | 14400 | 0.70 | |||||
2500 | 3600 | 17100 | 0.70 |
SCB 11 | ||||||||
Rated capacity (KVA) | Voltage Combination andTap range | Vector group Symbol | No-load loss (W) | Load loss (W) | Impedance Voltage(%) | No-load current(%) | ||
HV(KV) | HVTap range(%) | LV(KV) | ||||||
30 | 6 6.3 10 10.5 11 | ±5% or ±2*2.5% | 0.4 | Dyn11 | 170 | 710 | 4.0 | 2.0 |
50 | 240 | 1000 | 2.0 | |||||
80 | 330 | 1380 | 1.5 | |||||
100 | 360 | 1570 | 1.5 | |||||
125 | 420 | 1850 | 1.3 | |||||
160 | 480 | 2130 | 1.3 | |||||
200 | 550 | 2530 | 1.1 | |||||
250 | 640 | 2760 | 1.1 | |||||
315 | 790 | 3470 | 1.0 | |||||
400 | 880 | 3990 | 1.0 | |||||
500 | 1040 | 4880 | 1.0 | |||||
630 | 1170 | 5960 | 6.0 | 0.85 | ||||
800 | 1360 | 6960 | 0.85 | |||||
1000 | 1590 | 8130 | 0.85 | |||||
1250 | 1880 | 9690 | 0.85 | |||||
1600 | 2200 | 11700 | 0.85 | |||||
2000 | 2740 | 14400 | 0.70 | |||||
2500 | 3240 | 17100 | 0.70 |
SCB 12 | ||||||||
Rated capacity (KVA) | Voltage Combination andTap range | Vector group Symbol | No-load loss (W) | Load loss (W) | Impedance Voltage(%) | No-load current(%) | ||
HV(KV) | HVTap range(%) | LV(KV) | ||||||
30 | 6 6.3 10 10.5 11 | ±5% or ±2*2.5% | 0.4 | Dyn11 | 150 | 710 | 4.0 | 2.0 |
50 | 215 | 1000 | 2.0 | |||||
80 | 295 | 1380 | 1.5 | |||||
100 | 320 | 1570 | 1.5 | |||||
125 | 375 | 1850 | 1.3 | |||||
160 | 430 | 2130 | 1.3 | |||||
200 | 495 | 2530 | 1.1 | |||||
250 | 575 | 2760 | 1.1 | |||||
315 | 705 | 3470 | 1.0 | |||||
400 | 785 | 3990 | 1.0 | |||||
500 | 930 | 4880 | 1.0 | |||||
630 | 1040 | 5960 | 6.0 | 0.85 | ||||
800 | 1215 | 6960 | 0.85 | |||||
1000 | 1415 | 8130 | 0.85 | |||||
1250 | 1670 | 9690 | 0.85 | |||||
1600 | 1960 | 11730 | 0.85 | |||||
2000 | 2440 | 14450 | 0.70 | |||||
2500 | 2880 | 17170 | 0.70 |
SCB 13 | ||||||||
Rated capacity (KVA) | Voltage Combination andTap range | Vector group Symbol | No-load loss (W) | Load loss (W) | Impedance Voltage(%) | No-load current(%) | ||
HV(KV) | HVTap range(%) | LV(KV) | ||||||
30 | 6 6.3 10 10.5 11 | ±5% or ±2*2.5% | 0.4 | Dyn11 | 135 | 640 | 4.0 | 2.0 |
50 | 195 | 900 | 2.0 | |||||
80 | 265 | 1240 | 1.5 | |||||
100 | 290 | 1410 | 1.5 | |||||
125 | 340 | 1660 | 1.3 | |||||
160 | 385 | 1910 | 1.3 | |||||
200 | 445 | 2270 | 1.1 | |||||
250 | 515 | 2480 | 1.1 | |||||
315 | 635 | 3120 | 1.0 | |||||
400 | 705 | 3590 | 1.0 | |||||
500 | 835 | 4390 | 1.0 | |||||
630 | 935 | 5360 | 6.0 | 0.85 | ||||
800 | 1090 | 6260 | 0.85 | |||||
1000 | 1270 | 7310 | 0.85 | |||||
1250 | 1500 | 8720 | 0.85 | |||||
1600 | 1760 | 10500 | 0.85 | |||||
2000 | 2190 | 13000 | 0.70 | |||||
2500 | 2590 | 15400 | 0.70 |
We ensure that each one of our delivered units has undergone rigorous full acceptance testing. We provide one-package service from consulting, quoting, manufacturing, installation, commissioning, training to after sale services, our products are now operating in more than 50 counties in the world. We aim to be your most reliable supplier as well as your best partner in business!
Routine test
-Measurement of winding resistance
-Measurement of voltage ratio and check of phase displacement
-Measurement of short-circuit impedance and loss
-Measurement of no-load loss and current
-Dielectric routine tests
-Tests on on-load tap-changers, where appropriate
-Leak testing with pressure for liquid-immersed transformers(tightness test)
-Tightness tests and pressure tests for tanks for gas-filled transformers
-Check of the ratio and polarity of built-in current transformers
-Check of core and frame insulation for liquid immersed transformers with core or frame insulation
Type test
-Temperature-rise type test
-Dielectric type tests
-Determination of sound level for each method of cooling for which a guaranteed sound level is specified
-Measurement of the power taken by the fan and liquid pump motors
-Measurement of no-load loss and current at 90% and 110% of rated voltage
Special test
-Dielectric special tests
-Winding hot-spot temperature-rise measurement
-Determination of capacitances windings-to-earth, and between windings
-Measurement of dissipation factor(tanδ) of the insulation system capacitances
-Determination of transient voltage transfer characteristics
-Measurement of zero-sequence impedance(s) on three-phase transformers
-Short-circuit withstand test
-Measurement of d.c. insulation resistance each winding to earth and between windings
-Vacuum deflection test on liquid immersed transformers
-Pressure deflection test on liquid immersed transformers
-Vacuum tightness test on site on liquid immersed transformers
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