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                Other
                S11-MD Series
                SH15-M Series
                ST11-M Series
                KS11 Series
                ST11-M 10kv/20kv combined off-load transformers

                  Introduction

                • The capacity of ST11-M transformers could be adjusted, the ratio of low/high capacity is 1:3, by adjusting the capacity of the transformer during low-load period, the loss could be reduced, the products are used mainly for rural application where the load fluctuates one season to another. It complies the energy-saving policy, and thus could be used in various industries.

                    

                  Features

                • Core made of high quality cold-rolled silicon steel. 45 degree Step-lapped core structure , thereby reducing the no-load loss and no-load current.
                • High quality oxygen-free copper winding for both high and low voltage sides, high-voltage in the automatic winding machine low-voltage windings with wire (foil) type winding structure.
                • New type of insulation, Strong short circuit withstand capability .
                • Secure, reliable, easy-installation new type switch applied.
                • High-quality corrugated tank with modern folding technology, compact airtight preventing early oil aging.

                 SELECTION CHART

                  10KV PRIMARY,400V~1000V 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)
                ST11-M-160/10 160/50

                6

                6.3

                6.6

                10

                10.5

                11

                ±5%

                 

                0.4

                Yyn0

                Dyn11

                290/130 2200/870 1.4 4.0 550*550
                ST11-M-200/10 200/63 330/150 2600/1040 1.3 550*550
                ST11-M-250/10 250/80 400/180 3050/1250 1.2 550*550
                ST11-M-315/10 315/100 480/200 3650/1500 1.1 550*550
                ST11-M-400/10 400/125 570/240 4300/1800 1.0 660*660
                ST11-M-500/10 500/160 680/290 5100/2200 1.0 660*660
                ST11-M-630/10 630/200 810/330 6200/2600 0.9 4.5 820*820