pad mounted Transformer

Combined Transformer,MainTechnical Parameters Series number N ame Unit parameter 1 Nominal capacitance kVA 506380100125160200250315400500630800100012501600 2 Nominal voltage KV 6 6.3 6.6 10 10.5 11 3 High voltage tapping range±5 ±2×2.5 4 Coupling group mark number Yyn0,Dyn11 5 Voltage resistance at working frequency KV 6kV 25kV/1min 10 kV 35kV/1min 6 Impluse voltage KV 6kV Full wave 60kV 10kV Full wave 75kV 6kV Full wave65kV 10kV Full wave 85kV 7 Load switch A 300600 Thermally stable current 12KA16KA Thermally stable current 30KA; 40KA 8 Backup protection fuse Shield breaking capacitance kV 50 9 Ambient temperature oC 25 oC40 oC 10 Oil top layer temperature oC ∠85 11 Noise level dB ≤50 Nominal capacitance (kVA)` Voltage combination and tapping range Coupling group mark number No-load loss kW Load loss kW No-load current Short circuit impedance High voltage (kv) High voltage tapping range Low voltage (kv) 506 6.3 10 10.5 11±5±2×2.50.4Yyn0Dyn11 0.14 0.78 1.34 63 0.16 1.04 1.2 80 0.18 1.20 1.0 100 0.20 1.43 1.0 125 0.24 1.71 0.9 160 0.29 2.15 0.8 200 0.35 2.55 0.7 250 0.40 3.00 0.7 315 0.48 3.55 0.6 400 0.56 4.20 0.6 500 0.68 5.00 0.5 630 0.84 6.00 0.54.5 800 0.98 7.12 0.5 1000 1.19 9.78 0.4 1250 1.37 11.10 0.4 1600 1.65 13.2 0.4