Product DescriptionS11-M-30~2500/20-10 fully sealed oil-immersed
transformer is suitable for AC 50Hz, rated working voltage 10kV,
20kV and below power system, as petroleum, metallurgy, chemical,
textile, light industry and other enterprises and large dust places
of the distribution transformer.Product ParametersStructural
feature Iron core The core is cold rolled silicon steel sheet with
high permeability magnetic grain orientation. The iron core is a
core type iron core, the full oblique joint stacking type iron
core, the iron core column is a multi-step circular cross-section,
the iron bar and the iron core are equal cross-section. winding The
winding adopts corrugated oil channel, no paint dipping process,
and tight tape binding; The windings are concentric coils: the high
voltage winding has a tap required for the tap voltage, which is
led to the tap switch, the switch is installed on the box cover,
and the voltage transfer of 10kV and 20KV can be achieved after the
power is cut off, and the tap voltage is changed. Safety protection
device 30~2000kVA transformer equipped with pressure relief valve:
Gas relays with alarm and tripping terminals can be installed
according to user requirements; Oil temperature measuring
device The transformer is equipped with a glass thermometer tube
base, the tube base is located on the top of the tank, and extends
into the oil 120 10mm; 1000~2000kVA transformer equipped with
outdoor signal thermometer; Transformer tank The transformer oil
tank is composed of corrugated wall, and the surface is sprayed
with dust and the paint film is firm. The corrugated heat sink not
only has a cooling function, but also has a "breathing" function,
and the elasticity of the corrugated heat sink can compensate for
the change in the volume of transformer oil caused by the
temperature rise and fall. Therefore, the fully sealed transformer
has no oil storage tank, reducing the overall height of the
transformer; When the transformer is packaged, the vacuum oiling
process is used to completely remove the moisture in the
transformer, and the transformer oil does not contact with the air.
Effectively prevent oxygen and moisture from invading the
transformer, which may lead to the deterioration of transformer
insulation performance and transformer oil aging, so oil sample
tests are carried out from time to time:Structural
Installation Technical ParametersRated capacity
(kVA) High voltage(KV)Voltage CombinationConnective
group labelNo-load loss(KW)Load loss(KW)No-load
current(%)Short circuit impedance (%)Weight (KG)High pressure tap
rangeLow voltage(KV) Weightof oilTotal
weight3020/10±5*2.5%±2*2.5%0.4Dyn110.090.662.15.5180420500.130.962.0150495630.151.1451.9170560800.181.371.81906351000.21.651.62157101250.241.981.52508401600.292.421.42859452000.332.861.334011252500.43.351.239012953150.484.011.144514754000.574.731.051517125000.685.661.06.046019956300.816.820.956524508000.988.250.9635276510001.1511.330.7840365012501.3513.20.7970422016001.6315.950.61105480020001.9519.140.61205524025002.3422.220.513005650
Packaging & Shipping Company ProfileABOUTUSShenheng Power
Equipment CO.,LTD is a company specializing in the production of
high and low voltage switch power transmission and distribution
equipment and high, low voltage electrical components, one of the
professional production enterprises, the production of all fully
insulated and fully sealed inflatable cabinet intelligent solid
insulation ring main unit,outdoor high voltage cable branch
box,box-type substation, etc. Product quality is stable, reliable,
It is deeply trusted and approved by the customers.Manufacturing of
the main products are YBW box-type substation
KYN61-40.5,KYN28A-24,KYN28A-12,XGN2-10,HXGN-10 high voltage
switch gear,XGN ring net cabinet SHSRM inflatable ring main
unit,SHSG solid ring main unit,MNS.GCS,GCS,GGD,XL low voltage
switch gear,vacuum circuit breaker,oil immersed
transformer,dry type transformer current /potential
transformer,load break switch and other power transmission and
distribution equipment.For a long time also for all kinds of
metallurgy,ship building,electric power,mining, and intelligent
buildings. high-rise buildings, hospitals, schools and other
industries to provide high quality power transmission and
distribution of complete sets of equipment and electrical control
equipment.The company has a strong technical force, sophisticated
technology and sophisticated testing methods, and the products sell
well across the country.Certifications FAQ1.Are you a trading
company or a manufacturer?We are a professional factory with 10
years of experience in the field of high and low voltage switch
gear and substation. Transformers, cables, distribution boxes and
various electrical equipment, such as vacuum circuit breakers, load
breaking switches, etc. Our factory is an excellent supplier of the
State Grid Corporation of China.2.Do you accept custom service?We
provide OEM/ODM services, according to your drawings and pa
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