Product DescriptionQinghao oil distribution transformer includes
hermetically sealed, amorphous alloy, conservator type and on-load
tap changer type, which is usually pole mounted or installed in
distribution station for daily lighting and factory power whose LV
output up to 0.4kV. Our distribution transformer rating is up to
2500kVA, and primary voltage up to 35kV. The corrugated tanks as
thermal expansion and contraction component enable the transformer
oil completely isolated with the atmosphere. Oil distribution
transformer with primary voltage range of 6,10,10.5,11,20,22,24,33,
35,38.5kV can be manufactured according to customer
requirements.Hermetically sealed S series oil immersed
distribution transformer includes:S11/13/18/20/22 10KV/0.4KV
100kVA-2500kVAS11/13/18/20/22 20KV/0.4KV
100kVA-2500kVAS11/13/18/20/22 35KV/0.4KV 100kVA-2500kVA*Please
refer to seperate introduction for amorphous alloy
type.Main Characteristics:1. Designed by patented technology and
software with premium performance.2. Core is made of high quality
cold-rolled grain-oriented silicon steel sheet which produced in
step-lap technology.3. Winding is using high strength enameled wire
or paper-insulated wire or copper belt, which offers uniform
distribution of ampere-turns, reasonable insulation structure with
high ability to withstand short-circuit.4. Oil tank is corrugated
type with high corrosion resistance. Tank surface pre-treatment
liquid and coating powder adopts international top brands. The tank
is degreasing, pickling, phosphorated, electrophoresis by automatic
production lines, then power spray coating and heat-solidify.5. The
active part applies core free-hanging structure. The gasket is
made of high-quality acrylate rubber which can inhibit ageing
caused by sun and heat.Advantages:1. Low loss, low noise, low
partial discharge, high reliability.2. Safety with elegant
appearance.3. Convenient installation and simple
maintenance.4. Compact with small occupied area.Applications1.
Building Infrastructure and Industrial: Airports, hospitals,
factories, shopping malls, hotels, commercial and residential
towers.2. Utility: Generation, transmission, distribution
substations, water and waste water treatment plants.3. Oil and
Gas: Oil and gas plants, petrochemical plants and
refineries.Service environment:1. Ambient temperature: Maximum
+40ºC, Minimum -40ºC2. Altitude: less than 1000 meters.3. Seismic
level: less than 3m/s2 at horizontal direction and less than
1.5m/s2 at vertical direction.4. Installation environment: No
obvious and heavy pollution, no explosive and corrosive gas and
dust, with good air ventilation and no severe vibration and
shock.(Note: If the application environment is different from the
above standard conditions, please contact for customized
designs.)Product Parameters High efficiency, low loss, low
noise, small size, light weight, compact structure and easy to
use. The rated voltage and power can be customized as
customers' requirements. S11/13/18/20/22 10KV/0.4KV
100kVA-2500kVA
High
Voltage:10(6,6.3,10.5,11)KV
Connection Symbol:D,yn11 or
Y,yn0
Rated
Frequency:50Hz/60Hz
Low
Voltage:0.4(0.415,0.433)KV
Tapping Range of
HV:±2x2.5%
Insulation Level:LI75 AC35/AC3Rated power(KVA)Short-Circuit
Impedance(%)S22 (W)S20 (W)S11/13/18 (W)No-Load
Current(%)SoundpressuredB(A)Weight(kg)Overall Dimension(mm)No-Load
LossOn-Load Loss75ºCNo-Load LossOn-Load Loss75ºCNo-Load LossOn-Load
Loss75ºCLWHDyn11Yyn0Dyn11Yyn0Dyn11Yyn0304.06041039065460440755705501.5050400750560850507560057085660630908307901.30504507606409206380710680907907601009909501.20505007706709308095860820105950910120119011401.2052560840720970100110104098012511501090135144013601.105261087073010201251201240118014013701310155172016401.1054760104081010201601451510144016516801600180210020001.0054790110083010702001701790170019519901890220248023601.0056870119088010702502102090200024023302220265291027700.90561020127089010703152452510239028027902660310348033200.90581180133094011404003002960281033532903130375411039100.80581350141094012105003503550337039039403750440492046800.806016001500105013506304.54204060465451052056400.606020801600110014408005104910575546064068200.6062246016701140146010006046740680749075593600.60622750170012001490125071078607958730885109100.5065318018701250151016008559490960105501065131800.5065373018901290175020005.0990119801115133101240166400.4065456021001300180025001165121501310134901455192700.40675670215013901980Note:
The above parameters are only for designing and selecting
reference, and the final parameters are subject to the actual
product.S11/13/18/20/22 20KV/0.4KV
100kVA-2500kVA
High
Voltage:20(15,20,22)KV
Connection Symbol:D,yn11 or
Y,yn0
Rated
Frequency:50Hz/60Hz
Low
Voltage:0.4(0.415,0.433)KV
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