Type〝11〞﹑63~240MVA﹑220KV three-coil on-load-tap-changing transformer or off-load-tap-changing transformer, specific impedance or GB impedance, any cooling method;
Type〝11〞﹑120~240MVA﹑220KV three-coil auto-transformer on-load-tap-changing one or off-load-tap-changing one, specific impedance or GB impedance,any cooling method;
Type〝11〞﹑120~240MVA﹑220KV three-phase-site combination type on-load-tap-changing transformer or off-load-tap-changing transformer, specific impedance or GB impedance, any cooling method;
Type〝11〞﹑63~420MVA﹑220KV three-phase and two-coil step-up transformer with no-load engine, any impedance, any cooling method;
Type〝11〞﹑31.5~63MVA﹑220KV three-phase on-load-tap-changing transformer with axial splitting or splitting to the spoke, any impedance, any cooling method;
Type〝11〞﹑below 31.5~63MVA﹑20KV three-phase on-load-tap-changing-splitting transformer or off-load-tap-changing- splitting transformer, any impedance, any cooling method;
Type〝11〞﹑31.5~170MVA﹑110KV and the following three-phase on-load-tap-changing transformer or off-load-tap-changing transformer, any impedance, any cooling method;
150MVA and the following﹑220KV three-phase auto--on-load-tap-changing phase-shift rectifier transformer, any impedance, 79~107 voltage regulating, any cooling method;
150MVA and the following﹑220KV three-phase-descending-type on-load-tap-changing phase-shift rectifier transformer, any impedance, 79~107 voltage regulating, any cooling method;
150MVA and the following﹑220KV three-phase down/auto--on-load-tap-changing phase-shift rectifier transformer, any impedance, 70 voltage regulating, any cooling method;