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Scb10-5000kva dry type transformer

Date of issue: 2020/9/28 10:09:19 Source: http://perryswenson.com Click: zero

   For many years, the company has the advantages of high-quality construction and maintenance, such as high-quality construction, dry-type transformer and so on. Scb10-5000kva dry-type transformer is mainly used in various power supply places with AC 50-60Hz and voltage less than 2500V. The distribution of various input and output voltages, connection groups and tap group capacity of products can be designed and manufactured according to the requirements of users.

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 Scb10-5000kva dry type transformer

Technical requirements of scb10-5000kva dry type transformer:

1. Standards: GB 1094-1996, gb6450-1986, GB / t10228-1997, DIN 42523, iec726

2. Capacity range: 30-2500kva

3. Voltage level: 10kV, 35kV

4. Voltage regulation mode: no excitation voltage regulation or on load voltage regulation

5. Tapping range: ± 5%, ± 2 × 2.5%, ± 4 × 2.5%

6. Frequency: 50 Hz or 60 Hz

7. Number of phases: three phase or single phase

8. Connection group label: Yyn0, Dyn11 or others

9. Short circuit impedance: standard impedance (see performance parameters)

10. The altitude is less than 1000m, and the ambient temperature is lower than 40 ℃. When the above conditions are exceeded, the corresponding quota adjustment shall be made according to the standard

11. High temperature rise: 100K

12. Cooling mode: self cooling (an) or air cooling (AF)

13. Protection grade: IP00, IP20, IP23

14 insulation class: F

15. Insulation level:

(1) power frequency withstand voltage of 10kV products is 35kV, and lightning impulse voltage is 75KV

(2) power frequency withstand voltage of 20kV products is 50kV, and lightning impulse voltage is 125kV

(3) power frequency withstand voltage of 35kV products is 70kv, and lightning impulse voltage is 170KV

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 Scb10-5000kva dry type transformer

Features of scb10-5000kva dry type transformer:

1. The high-voltage winding is made of enameled copper wire, and the low-voltage winding is made of copper foil. The high voltage winding is filled with glass fiber felt and poured with imported epoxy resin without filler in vacuum state. After curing, it forms a solid whole, with good mechanical strength, small partial discharge and high reliability.

2. Flame retardant, explosion-proof, no pollution to the environment, can be installed in the load center.

3. The coil does not absorb moisture. The core and clamp can operate in 100% relative temperature and other harsh environment after special process treatment. Intermittent operation does not need dehumidification treatment.

4. High resistance to short circuit and lightning impulse.

5. The resin insulation layer inside and outside the coil is thin, and the heat dissipation performance is good. Air natural cooling (an) is generally used for cooling. Air cooled system (AF) can be configured for transformers of any protection level.

6. Low loss, good power saving effect, economical operation and maintenance free.

7. Small size, light weight, small occupation space and convenient installation.

Product service conditions

1. Ambient temperature: - 15 ℃ - + 40 ℃. 2. Altitude: < 1000m 3. Relative humidity: < 90%

4. The installation site shall be free of gas vapor, chemical deposition, dust, dirt and other explosive and corrosive media that seriously affect the transformer insulation.

5. Any special use conditions that do not meet the above provisions shall be determined by the user and our factory through negotiation.

Product technical parameters:

Technical parameters of scb10-5000kva dry type transformer:

1. Input voltage: 380 / 220 / 690 / 660 / 1140 / 48 / 40 / 36V

2. Output voltage: 380 / 220 / 690 / 660 / 1140 / 48 / 40 / 36V

3. Insulation grade: Class F, allowable temperature rise is 130 ℃, and normal temperature rise is 55-60 ℃

4. Efficiency: ≥ 95%

5. Waveform distortion: no additional waveform distortion

6. Long term continuous unattended operation 7. Insulation resistance: ≥ 50m Ω

8. Electrical strength: power frequency sinusoidal voltage 2000V, no breakdown and flashover for one minute

9. Overload capacity: twice the rated current for one minute

The installation site shall be free of gas, corrosive steam, chemical deposition, dirt, conductive dust and other explosive, flammable and corrosive substances that seriously affect the insulation strength of the transformer.

Three phase self couple series

Model capacity input voltage output voltage (220 V) current size (w × D × h) weight

  SE-400KVA 3Φ380V /3Φ220V 1060*800*1200

Electrical characteristics:

Working form dry self coupling

Equipment efficiency self coupling type ≥ 95% induction

Rated voltage below 600V, designed and manufactured according to customer requirements. Standards,

Input 3 Φ 380V, output 3 Φ 220 V, 200 V

Voltage variation rate ≤ 3% (secondary terminal)

Phase voltage difference ≤ 1% (primary and secondary comparison)

Self coupling Y / yo

Applicable frequency is 50 Hz or 60 Hz

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 Scb10-5000kva dry type transformer

I. features of scb10-5000kva dry type transformer

It is safe, flame-retardant, fireproof and pollution-free. It can be installed directly in the load center. Maintenance free, easy installation and low comprehensive operation cost. It can run normally under 100% humidity and can be put into operation without pre drying after shutdown. It has the advantages of low loss, low partial discharge, low noise and strong heat dissipation. It can operate under 150% rated load under forced air cooling condition. It is equipped with perfect temperature protection control system to provide reliable guarantee for safe operation of transformer. High reliability. According to the operation research of the products that have been put into operation, the reliability index of the products has reached the international advanced level.

II. Application scope of scb10-5000kva dry type transformer

The advantages of the product, such as strong thermal shock resistance, large overload capacity, flame retardant, high fire resistance, and insensitive to humidity and dust, make it widely adaptable.

It is suitable for the harsh environment with high fire protection requirements, large load fluctuation and dirty and humid environment. Such as: airports, subways, power plants, metallurgy, hospitals, high-rise, shopping centers, residential areas, petrochemical, nuclear power, nuclear submarines and other important places. It is an ideal power supply and distribution equipment.


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