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110kV Oil Immersed Power Transformer

110kV Oil Immersed Power Transformer

110kV Oil Immersed Power Transformer

SFSZ-11-M-6300/110 ?Oil Immersed Power Transformer Product Description The oil immersed power transformer is composed of core, coil, voltage regulating switch, oil tank and other components, and the dielectric medium is dielectric oil. The oil immer
Published in2018-08-17
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Detailed description

SFSZ-11-M-6300/110 ?Oil Immersed Power Transformer
Product Description

The oil immersed power transformer is composed of core, coil, voltage regulating switch, oil tank and other components, and the dielectric medium is dielectric oil. The oil immersed power transformer is used for regulating voltage and AC power transmission. The advantages include small dimension, reasonable price, strong weather resistance and so on. It is applicable to power systems, industrial and mining enterprises, transportation, post and telecommunications sector, research institutes, etc. A variety of transformers under 110kV are included in the product line: the stacked iron core structure series, the rolled iron core structure series, amorphous alloy series, etc. Smart and diverse structures and nice appearance make this product to meet the needs of different users.

Model Explanantion

Special features

Core

High-quality grain-oriented cold-rolled silicon steel sheet ?and the whole oblique non-porous banding structure are used in the transformer. The core has a multi-level ladder shape, with three joints or five joints, which is of low no-load loss and low noise. Rolled cores are direct rolled by certain special equipment, which gives the advantages including no seam, no corner weight, reluctance reduction, low no-load loss. Amorphous alloy is an advanced core material, which leads to an average reduction of 72% no-load loss and a reduction of 50% no-load current.


Coil

The high-quality QQ acetal enameled round copper wire and oxygen-free copper rod are used to form the coil. The coil type includes cylinder type, continuous type, new type spiral type, split type, etc. It has sufficient electrical strength, mechanical strength and cooling capacity.

In order to increase the capacity of anti-short-circuit of the transformer, self-adhesive transposition wire is used in the 35kV and above windings. The wire is made of self-adhesive acetal enameled flat wire, and after winding into a coil, it is heated so that the flat wire could be bonded between each other to form a rigid coil, which can withstand greater bending stress, thereby enhancing the capacity of anti-short-circuit of the transformer. The most important feature of the self-adhesive transposition wire is that it can reduce the loss of the transformer, and as a result of multi-stranded conductor with transposition, the eddy current loss and circulation loss are greatly reduced, it can also reduce the temperature rise of the partial hot spots of winding, thus the winding temperature distribution is more uniform.


Oil tank

The oil tank is made of high quality steel plate, and the shape includes elliptical shape, rectangular shape, etc. The type of the radiator includes: corrugated sheet type radiator, expansion type radiator and corrugated type tank. The sealing performance test is conducted on oil tanks. The inside and outside surfaces are pickling and phosphate treated, and then spray priming paint for three times and surface paint for one time, which give its corrosion resistance.

Ambient air temperature

--- Maximum temperature: +40℃

--- Minimum temperature: -45℃

--- Average temperature of the warmest month: +30℃

--- The hottest annual average temperature: +20℃

Altitude: ≤ 1000m

Contamination class: III;

Seismic intensity: VIII

Power supply voltage waveform: approximately sinusoidal;

Note: If the above conditions are exceeded, please specify when ordering, for special consideration.


Main technical parameters

1、S(F)11 110 kV Three Phase Oil Immersed Natural (Forced) Air Cooling Double Winding (L.V.: 10kV) Off Circuit Tap Changing Power Transformer


Model
Rated
Capacity
(kVA)
Voltage(kV)
Vector
Group
Impedance
Voltage
(%)
Total
Weight
(t)
Transportation
Weight(t)
Reference Dimensions
(mm)L*W*H
No-load
Loss (W)
Load
Loss
(W)
S(F)11-6300/110 6300
High Voltage H.V.
110,115,121
±2×2.5%
Low Voltage L.V.
6.3,6.6,10.5
YNd11 10.5 21 16 5000*3900*4200 7.4 35
S(F)11-8000/110 8000 23 18 5100*4100*4400 8.9 42
S(F)11-10000/110 10000 26 20 5200*4300*4600 10.5 50
S(F)11-12500/110 12500 29 22 5300*4400*4700 12.4 59
S(F)11-16000/110 16000 31 26 5400*4600*4800 15 73
S(F)11-20000/110 20000 35 29 5500*4700*5000 17.6 88
S(F)11-25000/110 25000 42 33 5700*4700*5200 20.8 104
S(F)11-31500/110 31500 47 37 5800*4800*5400 24.6 123
S(F)11-40000/110 40000 58 45 6000*5000*5500 29.4 148
S(F)11-50000/110 50000 68 52 6200*5300*5700 35.2 175
S(F)11-63000/110 63000 74 56 6400*5600*5900 41.6 208
S(F)?11-75000/110 75000
High Voltage H.V.
110,115,121
±2×2.5%
Low Voltage L.V.
13.8,15.75,18,21
12~14 83 62 6500*5900*6200 47.2 236
S(F)?11--90000/110 90000 94 70 6800*6300*6400 54.4 272
S(F)11--120000/110 120000 118 90 7000*6700*6600 67.8 337


2、S(F)Z11 110 kV Three Phase Oil Immersed Natural (Forced) Air Cooling Double Winding On Load Tap Changing Power Transformer


Model
Rated
Capacity
(kVA)
Voltage(kV) Vector Group
Impedance
Voltage
(%)
Total Weight?(t)
Transportation
Weight(t)
Reference
Dimensions
(mm)L*W*H
No-load
Loss (W)
Load Loss ?(W)
S(F)Z11-6300/110 6300
High Voltage H.V.
110
±8×1.25%
Low Voltage L.V.
6.3,6.6,
10.5,21
YNd11 10.5 24 19 5800*3900*4200 8 35
S(F)Z11-8000/110 8000 26 21 5900*4100*4400 9.6 42
S(F)Z11-10000/110 10000 29 23 6000*4300*4600 11.3 50
S(F)Z11-12500/110 12500 32 25 6100*4400*4700 13.4 59
S(F)Z11-16000/110 16000 36 30 6200*4600*4800 16.1 73
S(F)Z11-20000/110 20000 39 33 6300*4700*5000 19.2 88
S(F)Z11-25000/110 25000 46 37 6700*4700*5200 22.7 104
S(F)Z11-31500/110 31500 52 42 6800*4800*5400 27 123
S(F)Z11-40000/110 40000 12~18 63 50 7000*5000*5500 32.3 156
S(F)Z11-50000/110 50000 74 58 7200*5300*5700 38.2 194
S(F)Z11-63000/110 63000 81 63 7600*5600*5900 45.4 232


3、S(F)S11 110kV Three Phase Oil Immersed Natural (Forced) Air Cooling Three Winding Off Circuit Tap Changing Power Transformer



Model
Rated
Capacity
(kVA)
Voltage(kV) Vector Group
Impedance
Voltage
(%)
Total Weight?(t)
Transportation
Weight(t)
Reference
Dimensions
(mm)L*W*H
No-load
Loss (W)
Load Loss ?(W)
S(F)S11-6300/110 6300
High Voltage H.V.
110,115,121
2×2.5%
Medium Voltage M.V.
36,37,38.5
Low VoltageL.V.
6.3,6.6,1
0.5,21
YNyn0
d11
High
Voltage-Low
Voltage
H.V.-L.V.
18~19
High
Voltage-Medium
Voltage H.V.-M.V.
10.5
Medium
Voltage-Low
Voltage M.V.-L.V.
6.5
27 23 5300*4100*4200 8.9 44
S(F)S11-8000/110 8000 31 25 5400*4300*4400 10.6 53
S(F)S11-10000/110 10000 33 28 5500*4500*4600 12.6 62
S(F)S11-12500/110 12500 39 33 5600*4600*4700 14.7 74
S(F)S11-16000/110 16000 45 37 5700*4800*4800 17.9 90
S(F)S11-20000/110 20000 51 41 5800*4900*5000 21.1 106
S(F)S11-25000/110 25000 56 46 6000*4900*5200 24.6 126
S(F)S11-31500/110 31500 62 52 6100*5000*5400 29.4 149
S(F)S11-40000/110 40000 73 60 6300*5200*5500 34.8 179
S(F)S11-50000/110 50000 80 65 6500*5500*5700 41.6 213
S(F)S11-63000/110 63000 97 80 6700*5800*5900 49.2 256


4、S(F)ZS11 110kV Three Phase Oil Immersed Natural (Forced) Air Cooling Three Winding On Load Tap Changing Power Transformer


Model
Rated
Capacity
(kVA)
Voltage(kV) Vector Group
Impedance
Voltage
(%)
Total Weight?(t)
Transportation
Weight(t)
Reference
Dimensions
(mm)L*W*H
No-load
Loss (W)
Load Loss ?(W)
S(F)SZ11-6300/110 6300
High Voltage?H.V.
110±8×1.25%
Medium Voltage M.V.
36,37,38.5
Low Voltage L.V.
6.3,6.6,
10.5,21
YNyn0
d11
High
Voltage-Low
Voltage H.V.-L.V.
18~19
High
Voltage-Medium
Voltage H.V.-M.V.
10.5
Medium
Voltage-Low
Voltage M.V.-L.V.
6.5
30 26 6100*4100*4200 9.6 44
S(F)SZ11-8000/110 8000 34 28 6200*4300*4400 11.5 53
S(F)SZ11-10000/110 10000 36 31 6300*4600*4600 13.6 62
S(F)SZ11-12500/110 12500 42 36 6400*4600*4700 16.1 74
S(F)SZ11-16000/110 16000 49 41 6500*4800*4800 19.3 90
S(F)SZ11-20000/110 20000 55 45 6600*4900*5000 22.8 106
S(F)SZ11-25000/110 25000 60 50 7000*4900*5200 27 ·
S(F)SZ11-31500/110 31500 67 57 7100*5000*5400 32.1 149
S(F)SZ11-40000/110 40000 78 65 7300*5200*5500 38.5 179
S(F)SZ11-50000/110 50000 86 71 7500*5500*5700 45.5 213
S(F)SZ11-63000/110 63000 104 87 7900*5800*5900 54.1 256

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