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                20Kv Class
                S11-M Series
                S11-M 20(10) Kv Off-load Distribution Transformers

                  Brief  introduction

                • S11-M 20Kv series are new designed products particularly for 20Kv class power grid. The product can effectively improve electricity supply capacity, increase economic supply distance, conserve land use, and effectively reduce line loss. Product is labeled as energy-saving product by CMIF.

                • S11-M 20kv series are designed for urban or rural area with high load density, region with rapid growth in electricity demand, and for emerging industrial zone with poor power grid development. The product is also suited for petrochemical plants, railway and mining industry, public place, substation etc.

                  Features

                • High-quality corrugated tank with modern folding technology, compact airtight preventing early oil aging.
                • Cold-rolled grain-oriented high-silicone-content steel, step-up lamination, low no-load loss, and low no-load current.
                • First Grade oxygen-free copper, new windings structure.
                • Newly designed insulation structure with improved life expectancy, High mechanical withstand capability.
                • Cost-effective: 30% reduction in energy costs compared to conventional type.

                 SELECTION CHART

                  20KV PRIMARY,400V SECONDARY

                型号
                Type
                容量
                Capacity
                (kVA)
                电压组合(HV/LV) 联结组
                标号
                Connection
                空载损耗
                No-Load
                loss(w)
                负载损耗
                Load
                loss(w)
                空载电流
                No-Load
                Current(%)
                短路阻抗
                Impedance
                Voltage(%)
                轨距
                Gauge
                (mm)
                高压
                HV(kV)
                分接范围
                (%)
                低压
                LV(kV)
                S11-M-30/20 30

                20

                ±5%

                ±2×2.5%

                0.4

                Yyn0

                Dyn11
                90 600/660 2.2 5.5 400*400
                S11-M-50/20 50 130 870/960 2.0 400*400
                S11-M-63/20 63 150 1040/1145 1.9 400*450
                S11-M-80/20 80 180 1250/1370 1.8 400*450
                S11-M-100/20 100 200 1500/1650 1.6 550*550
                S11-M-125/20 125 240 1800/1980 1.5 550*550
                S11-M-160/20 160 290 2200/2420 1.4 550*550
                S11-M-200/20 200 330 2600/2860 1.3 660*660
                S11-M-250/20 250 400 3050/3350 1.2 660*660
                S11-M-315/20 315 480 3650/4010 1.1 660*660
                S11-M-400/20 400 570 4300/4730 1.0 660*660
                S11-M-500/20 500 680 5150/5660 1.0 660*660
                S11-M-630/20 630 810 6200/6820 0.9 6.0 660*660
                S11-M-800/20 800 980 7500/8250 0.8 820*820
                S11-M-1000/20 1000 1150 103300/11330 0.7 820*820
                S11-M-1250/20 1250 1360 12000/13200 0.6 820*820
                S11-M-1600/20 1600 1640 14500/15950 0.5 820*820
                S11-M-2000/20 2000 1950 17400/19140 0.4 1070*1070
                S11-M-2500/20 2500 2340 20200/22220 0.3 1070*1070