Resin-Insulated Dry-Type Transformer

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Resin-Insulated Dry-Type Transformer

Category: Transformer

Operating Conditions

  • Installation height: average altitude 1000m
  • The waveform of power supply voltage is similar to sine wave
  • Symmetry of polyphase power supply voltage: the power supply voltage connected to the polyphase transformer shall be approximately symmetrical
  • Ambient temperature:
    • Maximum air temperature: +40 °C
    • Daily maximum average temperature: +30 °C
    • Annual maximum average temperature: +20 °C
    • Minimum air temperature: -30 °C (applicable to indoor transformer)
★Product Details

SCB, SCB12, SCB13, SCB14, SCB18 series Structural characteristics of resin-insulated dry-type power transformer:
Box-type coil: the low-voltage winding adopts the whole section of copper foil, and is wound on the special low-voltage foil winding machine with Class F insulation. Foil coil can solve the outstanding problems such as high short circuit stress, unbalanced ampere-turn, poor heat dissipation effect, winding spiral angle, unstable manual welding quality and so on. At the same time, the winding end of our company is sealed with resin, solidified, moisture-proof and antifouling. The lead copper bar is automatically welded by roller arc welding.

Temperature control device: the transformer adopts BWDK series signal thermometer, and the temperature measuring element is buried in the upper part of the low-voltage coil, which can automatically detect and display the working temperature of each phase coil, and has the function of overtemperature alarm and tripping.

Technical Parameters
SC(B)11 Series Resin-Insulated Dry-Type Transformer Technical Parameters
Type Rated Capacity
(kVA)
High Voltage
(kV)
Tapping Range
(%)
Low Voltage
(kV)
Connection Symbol No-load Loss
(kW)
On-load Loss
(kW) (75℃)
Short Circuit
Impedance (%)
Dimensions (mm)
Length Width Height
SC(B)11-30/10 30 6/10/10.5/11 ±5 0.4 Yyn0 / Dyn11 180 560 4.0 800 660 940
SC(B)11-50/10 50 260 730 830 690 990
SC(B)11-80/10 80 320 1120 860 690 1020
SC(B)11-100/10 100 350 1370 900 720 1060
SC(B)11-125/10 125 430 1620 940 740 1080
SC(B)11-160/10 160 480 1900 1220 770 1100
SC(B)11-200/10 200 540 2100 1240 780 1170
SC(B)11-250/10 250 650 2560 1390 800 1200
SC(B)11-315/10 315 760 3010 1410 820 1230
SC(B)11-400/10 400 780 3690 1500 860 1270
SC(B)11-500/10 500 840 4300 1520 870 1520
SC(B)11-630/10 630 1040 5160 6.0 1600 890 1410
SC(B)11-800/10 800 1240 6290 1660 950 1460
SC(B)11-1000/10 1000 1430 7380 1760 970 1500
SC(B)11-1250/10 1250 1500 8830 1800 1090 1620
SC(B)11-1600/10 1600 1710 10580 1870 1100 1700
SC(B)11-2000/10 2000 2200 12810 1980 1180 1800
SC(B)11-2500/10 2500 2650 15080 2090 1260 1930

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