three phases 11KV step up/step down transformer

step up transformers 1.Capacity:30KVA~35000KVA for step up and step down 2.three phases

three phases step up/step down transformer

The step up transformer feature low loss, low noise, low local discharge, low temperature rise, the core-suspension free performance and no leakage. Electrical transformer functional characteristics Rated Capacity (kVA): 50~63000 kVA Vecor Group: Dyn11, Yyn0, yd11, Ynd11(Or as customer requirement) Impedance Voltage (%): 6%, 7%, 8%, 10%(Or as customer requirement) Rated voltage: H. V.: 66, 38.5, 33, 20 KV (Or as customer requirement) L. V.: 11, 10.5, 6.3, 0.4 KV (Or as customer requirement) Tapping range: +/- 5% or +/- 2 * 2.5% (Or as customer requirement) Frequency: 50Hz Number of phases: 3 Cooling method: ONAN or ONFN Temperature rise limits: Winding ≤ 65K Top oil ≤ 60K Standards: GB1094 electrical power transformer GB/T6451 Technical data & requirement of three phase  electrical distribution transformer IEC60076 electrical distribution transformersElectrical transformer supplier Service conditions:The height above the sea level is below 1000m; Ambient temperature: Highest air temperature +40 degree; Highest daily average air temperature+30 degree; Highest annual average air temperature +20 degree Lowest outdoor air temperature -25 degree.

wastage, safety and reliability, not hang-core check, not overhaul in 15 years, advanced structure, small volume and low noise etc.

Mode	Rate of	Rate		Connection	Cooling Styel	Loss(KW)
	Capacity	HV	LV			No Load	Load
S9-M-315/10	315	10	0.4	Y,yno	ONAN	0.67	3.65
S9-M-400/10	400	6.3±5%		Dynll		0.8	4.3
S9-M-500/10	500	3				0.96	5.1
S9-M-630/10	630					0.12	6.2
S9-M-800/10	800					0.14	7.5
S9-M-1000/10	1000					0.17	10.3
S9-M-1250/10	1250					0.2	12.8
S9-M-1600/10	1600					0.24	14.5
S9-M-2000/10	2000					0.25	17.8
S9-M-2500/10	2500					0.3	20.7
Mode	Impedance Voltage	Weight		Gauge Wertical/Horizontal
		Oil Weight	Total
S9-M-315/10	4	230	1350
S9-M-400/10	4	270	1560	650/550
S9-M-500/10	4	300	1760	750/550
S9-M-630/10	4.5	400	2320	750/660
S9-M-800/10	4.5	450	2750	650/660
S9-M-1000/10	4.5	500	3260	850/660
S9-M-1250/10	4.5	550	3460	850/820
S9-M-1600/10	4.5	650	4150	850/820
S9-M-2000/10	4.5	1170	6090	900/820
S9-M-2500/10	4.5	1360	6920	820/820