已成交三相变压器（CK-D20230417-01）询价

We need / see attached / 10pcs- Three-phase transformer 168 KW
1.Main technical specifications.
Feature Value Rated power 168 kW
Primary winding 3 X 1175 8, 83A (Umax=1188B)
Primary winding inductance L=7 mH +30% – 0%: L>80% at 2.7 of lnom.
Type of idling About 8% of lnom.
Secondary winding 3 x 440 V 220 A eff.
Total heat dissipation loss About 4900 W
Winding arrangement Concentric
Protective winding Between primary and secondary Frequency 60 HzInsulation class T65/H (t max = 1800C)
Temperature control Thermal sensor for each phase, T set. 1800CDegree of protection IPG5Cooling type Forced air (400 s / sec)Ambient temperature air From minus 500C to +650C
2.Surge resistance Circuit Test voltage value, kVFrom primary to ground 11.2Between primary and secondary 11.2From secondary to ground 2.5PD 5.6 (50pS)
We need 10 pcs- original or your replacement type transformersWith your offer pls send your transformers data sheet and drawing