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    • 11kV On load power transformer
    • 11kV On load power transformer
    • 11kV On load power transformer
    • 11kV On load power transformer
    • 11kV On load power transformer

    11kV On load power transformer

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     Features of Products

    SZ10 series 11kV class On-load voltage regulation is a voltage regulation method by which a transformer can change the voltage
    by changing the tap gear when operating under load. Power electronic component switches have the advantages of frequent switching, no spark and long service life,
    so they can be used as on-load tap-changer for distribution transformers.

    Standard

    GB1094.1-2013; GB1094.2-2013; GB1094.3-2013; GB1094.5-2008; GB/T 6451-2008; GB/T 1094.10-2003; JB/T10088-2004
    IEC60076; SANS 780 STANDARDS

    Features of Products

    1. Meet or exceeds ANSL. IEC. GB. SANS. Standards
    2. Safe Handling, Installation and Operation.
    3. Attractive, modern appearance
    4. Reasonable Structure
    5. Fully-sealed
    6. Higher system reliability
    7. High security and reliability in operation
    8. High capacity of overload and efficiency
    9. Robust construction having excellent short circuit and thermal withstand capabilities
    10. EVERPOWER Transformers are more efficient by Reduced no-load losses and Reduced load losses

    SZ10 series 11kV distribution transformer technical data
    Rated
    Capacity
    (kVA)    		 Voltage Group
            (kV)    		 Vector
    Group    		 Impedance voltage Loss(kW) No-load
    current    		 Weight(kg) L*B*H(mm)
    Outline dimension    		 Gauge vertical
    horizontal
     (mm)
    High
    Voltage    		 Low
    Voltage    		 ％ No-load Load ％ Machine
    weight    		 Oil
    weight    		 Gross
    weight
    200       4 0.48  3.06  1.5 510 210 960 1440*780*1140 550/520
    250       0.56  3.60  1.4 600 230 1105 1480*800*1200 650/550
    315 13.8     0.67  4.32  1.4 690 260 1315 1600*860*1210 650/550
    400 13.2     0.80  5.22  1.3 890 310 1570 1680*940*1300 650/550
    500 11 0.4 Yyno 0.96  6.21  1.2 990 310 1710 1660*1040*1310 750/600
    630   0.415 Dyn11 4.5 1.20  7.65  1.1 1160 400 2050 1810*1140*1350 850*660
    800 10.5     1.40  9.36  1.0  1430 430 2480 1890*1210*1380 850/660
    1000   0.433 Dyn5 1.70  10.98  1.0  1530 540 2830 1950*1260*1510 850/660
    1250 10     1.95  13.05  0.9 1800 610 3460 1960*1280*1660 850/660
    1600 6     2.40  15.57  0.8 2200 700 4060 2350*1620*2020 850/700
    2000       2.80  21.26  0.8 2460 800 4620 2460*1740*2050 820/820
    2500       3.30  24.69  0.7 3070 910 5630 2650*1800*2100 1070/1070

    Note:Tapping range of high-voltage:±5%,±2×2.5%; Frequency:50Hz

     

    SZ11 series 11kV distribution transformer technical data
    Rated
    Capacity
    (kVA)    		 Voltage Group
            (kV)    		 Vector
    Group    		 Impedance voltage Loss(kW) No-load
    current    		 Weight(kg) L*B*H(mm)
    Outline dimension    		 Gauge vertical
    horizontal
     (mm)
    High
    Voltage    		 Low
    Voltage    		 ％ No-load Load ％ Machine
    weight    		 Oil
    weight    		 Gross
    weight
    200       4 0.34  3.06  1.5 540 270 1110 1400*740*1190 550/520
    250       0.40  3.60  1.4 640 290 1270 1420*790*1210 650/550
    315 13.8     0.48  4.32  1.4 730 320 1500 1540*850*1240 650/550
    400       0.57  5.22  1.3 940 370 1780 1590*940*1250 650/550
    500 13.2 0.4 Yyno 0.68  6.21  1.2 1040 370 1920 1650*1000*1350 750/600
    630 11   Dyn11 4.5 0.81  7.65  1.1 1220 460 2280 1810*1200*1310 850/660
    800 10.5 0.415   0.96  9.36  1.0  1500 500 2740 1860*1090*1500 850/660
    1000   0.433 Dyn5 1.15  10.98  1.0  1610 520 3060 1910*1260*1570 850/660
    1250 10     1.36  13.05  0.9 1880 700 3710 1960*1280*1740 850/660
    1600 6     1.64  15.57  0.8 2290 780 4350 2330*1800*1910 850/700
    2000       1.96  21.26  0.8 2560 900 4950 2580*1900*1950 820/820
    2500       2.31  24.69  0.7 3170 1010 6020 2580*1940*2250 1070/1070

    Note:It can supply voltage regulating range of ±4×2.5% for high-voltage on-load regulation transformer

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