630kVA Dry Type Transformer

Huawan 630kVA dry-type transformer feature safety and environmental protection with no fire or explosion risks. Boasting excellent insulation and heat dissipation design, they realize low loss, low noise and stable operation, and adapt to various working conditions. Maintenance-free and easy to install, they support customization and are widely applied in power transmission and distribution for construction, power, commerce and other fields.

630kVA dry type transformer

Specifications and Parameters

ParameterDetails
Rated Capacity630 kVA
Rated Frequency50 Hz
Rated Voltage10/0.4 kV
Rated Current36.4/909.4 A
Number of Phases3 Phase
Connection Group SymbolDyn11
No-load Loss (at 100% Rated Voltage)0.8819 kW
Load Loss (at Reference Temperature of 120℃)5.0229 kW
Total Loss (at Reference Temperature of 120℃)5.9066 kW
No-load Current (at 100% Rated Voltage)0.35%
Insulation ClassClass F (Maximum allowable winding temperature for Class F: 155℃)
Applied Withstand Voltage CapabilityHV: 35kV/60s, LV: 5kV/60s
Partial Discharge QuantityWhen 1.3 times the rated voltage is applied, Phases A/B/C are all < 5pC
Short-circuit Withstand Capability3 short-circuit tests per phase, no displacement/deformation of coils, maximum reactance deviation: 1.49%
Winding Temperature Rise Limit≤ 100K
Cooling ModeAN/AF


Specification Range

Rated
capacity
Voltage combination and decomposition rangeLow
pressure
Open circuit
losses
Load
loss
Short circuit
impedance
No-load
current
Body
weight
KVAHigh
tension
Tapping
range
Join
group
label
kVW(120℃)
W
%%kg
306
6.5
10
10.5
11
±5% or
±2×2.5%
YynO or
Dyn11
0.417071041.8300
50240100051.5380
803301380412470
100360157041560
125420185041650
160480213041780
200550253040.8800
250640276040.81030
315790347040.71250
400880399040.71400
5001040488040.61600
6301200588040.61900
6301170596060.61900
8001360696060.52580
10001590813060.52850
125018809690653200
160022001173060.53800
200027401445060.44280
250032401717060.45250


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Company: Room 914-915, Block A, No. 188 Qianshan South Road, Shushan District, Hefei, China

Factory: South of Chunhua Road and West of Zhihe Road, Xuancheng Economic andTechnological Development Zone, Anhui, China
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Add
Company: Room 914-915, Block A, No. 188 Qianshan South Road, Shushan District, Hefei, China

Factory: South of Chunhua Road and West of Zhihe Road, Xuancheng Economic andTechnological Development Zone, Anhui, China