... GB1094 35KV grade S11,SZ11,SFZ11 series products are designed in compliance to IEC60076 and GB1094 "Power Transformer"and GB/T6451 ... "Technical Parameters and Requirements for Three-phases Oil-immersed Power Transformers". The load ... output voltage.Table-flap type tank is adopted in 35KV transformer of 6300KVA and over, so as to improve the ...