China Power Transformer 400kv Transformer Distribution Power Transformer Power Supply

400kv power transformer
Capacity:35000~4000000kva

Voltage:400kv
Technical particular and guarnty data for power transformer 400kv

ItemDescriptionUnitHv sideLv side1Type of designation Power transformer 2Separate winding/auto trasnformer Separate winding 3Type core type/shell type Core type 4Type of cooling acc to iec: First stage Onan Second stage Onaf1 Third stage Onaf2 5.Rate frequencyHz50 6Rate input power At first stage of coolingMva50 At second stage of coolingMva60 At third stage of coolingMva70 7.Rated voltage: HvKv rms400+-12x1.25% LvKv rms33 Tv(if applicable)Kv rmsN.A 8.Three phase unit/bank of single phase unit 3 phase 9.On load tap changer Vacuum mr germany 350a-123kv 10.Impedances (guaranteed) on the base of rated power of main windingMva 70 Positive sequence impedance at 75c ,on principal tapping and:A)between hv&lv winding%13.8 B)between hv&lv winding (if applicable)%N.A C)between lv&tv winding (if applicable)%N.A 11.Insulation levels(guaranteed)
When tested at sea level
Lighting impulse withstand voltages: A)hv:Winding/bushingKvp/kvp1300/1425 B)lv:Winding/bushingKvp/kvp170/235 C)neutral end:Winding/bushingKvp/kvp125/170 D)tv:Winding/bushing(if applicable)Kvp/kvpN.A

Core:Japanese manufacturerTap changer:Mr/germanyOil:Nynas/ swedenBushing :Trench/ china or franceIsolating materials :Wideman/switzerland
Transformer workshop:
Reference project:
Transportation:
Service guarantee
1.To provide all technical information and drawings as per contract promptly.Ville is obliged to invite client, if
necessary, to attend technical design review.
2.To carry out spot technical service as per client's schedule, offer guideness for installation and commissioning
according to technical information and drawings.
3.For relevant auxiliary equipment procured by customers, ville will provide relate technical information to meet
requirement of equipment interface.
4.To execute stipulations in mou or agreement signed by seller and buyer strictly.
5.To train staff from client for equipment installation, commissioning, application, maintenance as stipulated in
the contract.
6.To reinforce pre-sales, mid-sales, after-sales service, to carry out "24-hour service", "service in advance",
"overall process service", "lifelong service" in our manufacturing, installation, commissioning and maintance.
7.To meet spare parts' requirement by customers at anytime.
Order instructionsWhen you choose our company product, please offer following data:
Transformer model:
Rated capacity:Kva
Phase:Three-phase ?Single-phase
Frequency:50hz 60hzRated voltage ( h.V./ l.V.):
Tapping range:± x %
Insulation level:Li ac / li ac kv
Veotor group:Dyn11
Yyno
Other
Short-circuit impedance:%
Cooling method:Onan
Onaf
Tapping method:Oltc
Octc
Other
Other requirement:We also can design special products according to customer's particular requirements.The final dimension is subject to outline drawing.Dear clients, if there is any enquiry or requirement, please feel free to us:Ville Electric Company will keep up with the century, the epoch,
Sincerely look forward to your cooperation and win-win!
Create brilliant!