S9 SZ9 S11 SZ11 35KV grade oil type transformer

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Product Description:

35KV grade S9 series of oil-immersed power transformer

1. General

The three-phase oil-immersed distributing transformer applies new type insulating structure and makes short-circuit resistance strong. The iron core is made up of cold-rolled silicon-steel plate of high-quality. high voltage winding group is made up of high-quality oxygen-free copper liner lines and it adopts multilayered drum type structure. All fasteners have been processed with special treatment to prevent them from loosening.

As high-tech product that promoted by the country, the product has many advantages such as high efficiency, low loss, its social benefits are remarkable that it will save much of electricity consumption and operating cost.

1. Technical parameters

Rated capacity

(KVA)

Voltage combination(KV)

Vector group

Loss(KW)

No-

load current

Impedance

voltage

WeightKG

External dimension

mm

L*B*H

Gauge

Longitudinal/transverse

HV

LV

No-

load

load75℃)

Equipment

Oil

total

30

35

36.5

38

+5%

0.4

Yyn0

0.165

0.90

2

6.5

145

205

530

1010*1020*1425

550/550

50

0.21

1.25

2

210

195

585

1010*1020*1425

80

0.28

1.80

1.8

285

225

735

1060*1125*1560

100

0.31

2.03

1.8

340

225

830

1090*1150*1600

125

0.34

2.39

1.7

395

270

950

1120*1150*1625

660/660

160

0.37

2.85

1.5

475

285

1050

1130*1280*1680

200

0.43

3.30

1.5

560

310

1190

1170*1300*1710

250

0.52

3.96

1.4

650

350

1355

1250*1370*1735

315

0.61

4.77

1.4

760

390

1565

1260*1370*1780

400

0.75

5.76

1.3

925

490

1875

1810*1250*1865

820/820

500

0.87

6.93

1.3

1085

550

2135

1850*1360*1920

630

1.05

8.30

1.1

1285

615

2505

1900*1380*1990

800

1.25

9.90

1.0

1530

720

2945

2100*1400*2075

1000

1.44

12.20

0.7

1845

815

3500

2220*1430*2245

1250

1.76

14.70

0.6

1930

935

3975

2260*1430*2250

1070/1070

1600

2.15

17.55

0.6

2385

1070

4685

2300*1460*2470

2000

2.61

21.50

0.6

2630

1090

4890

2380*1740*2350


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Q:What is the meaning of the transformer without excitation?
Non-excitation voltage regulator is relative to the load regulator, the load regulator, then the tap switch need to consider switching the transformer when the freewheeling to ensure that the current is continuous, does not affect the power grid, but no excitation regulator Is the state of the power regulator, the tap-changer does not need to re-flow to the transformer, so there is no type of freewheeling components
Q:Taiwan, Taiwan, the concept of transformer
Metering points are generally placed on the two sides of the equipment for property rights demarcation point. Some "real production boundaries" are not suitable for loading tables, the measurement points can be located in the substation, if the measurement point and production to the demarcation point is different, the asset owner should bear the loss of their own property equipment. For the substation of the various routes, the measurement point is located in the various routes on the outlet. Transformer two transformers run parallel to the situation is very common. Parallel operation can make the power quality better, and better play the potential of equipment and so on.
Q:What are the technical parameters of the transformer?
Transformers in the provisions of the use of the environment and operating conditions, the main technical data are generally marked on the transformer nameplate. Mainly include: rated capacity, rated voltage and its tap, rated frequency, winding connection group and rated performance data (impedance voltage, no load current, no load loss and load loss) and total weight. A, rated capacity (kVA): rated voltage. Rated current under continuous operation, can deliver capacity. B, rated voltage (kV): the transformer can withstand long hours of operation can withstand the voltage to meet the needs of the grid voltage changes, the transformer has a high voltage side tap, by adjusting the number of high voltage winding to adjust the low voltage side of the output voltage.
Q:630 kilovolt transformer secondary side of the current is how much
There should be a second test voltage to calculate the current, but generally no load 400V. Full load 380V. Primary side rated current: I = 630000 ÷ 10000 ÷ 1.732 = 36.37A Secondary side rated current: I = 630000 ÷ 400 ÷ 1.732 = 909A Maximum output power P = 630 * 0.95 = 599KW (COS ¢ by 0.95) The maximum output power P = 630 * 0.9 = 567KW (COS ¢ by 0.9)
Q:Altium designer DXP transformer in the same name how to change?
The same name is a painting of about 2-3mil radius of the solid circle, can not directly change, must be copied from the source file to the schematic library file can be changed, that is, to re-create schematic symbols.
Q:50kva transformer price
2, Transformer (Transformer) is the use of electromagnetic induction to change the principle of AC voltage device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:Transformer Wiring and Principle
Three-phase transformer works: the basic working principle of the transformer is the principle of electromagnetic induction. When the AC voltage is applied to the primary winding, the AC current flows into the winding to generate the excitation effect, and the alternating magnetic flux is generated in the iron core. The alternating magnetic flux passes through the primary winding and passes through the secondary winding , Which induces the induced electromotive force in the two windings, respectively. At this time if the secondary side and the external circuit load connected, there will be AC ​​current out, so the output power.
Q:50KVA transformer each phase current maximum band
Hello there: - ★ 1, three-phase transformer rated output current = transformer rated capacity ÷ (voltage × follower 3). This current is apparent current, marked on the transformer nameplate. - ★ 2,50KVA transformer, each rated output current = 50KVA ÷ (400V × 1.732), equal to about 72A. Note that the secondary voltage of the power transformer is 400V instead of 380V. - ★ 3,50 KVA transformer rated current per phase is about 72A, "the maximum energy can be large" according to the ambient temperature, cooling conditions may be. Generally below the rated current, can be long-term operation.
Q:Transformer cooling method AN stands for what
The cooling mode of the transformer is determined by the cooling medium and the circulation mode. Dry-type transformer cooling method is divided into natural air cooling (AN) and forced air cooling (AF); oil-immersed transformers commonly used cooling methods are generally divided into three types: oil-immersed self-cooling, oil-immersed air-cooled, forced oil circulation.
Q:Rated capacity of three-phase transformer S = √3 * U * I
S is the total capacity of the three phases, is the apparent power, the unit is KVA. The sum of the three phases is equal to the sum of the three single-phase capacities, ie S = 3UI where U is the phase voltage and I is the phase current. If the line voltage line current, then S = √3UI This is because when the winding is triangular connected, the line voltage is equal to the phase voltage, the phase current is equal to 1 / √3 times the line current, 3 / √3 = Similarly, when the star is connected, the phase current is equal to the line current, the phase voltage is equal to 1 / √3 times the line voltage, the same 3 / √3 =

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