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Mining Transformer Series

The Mining Explosion-proof Mobile Substation

The Mining Explosion-proof Mobile Substation is the mobile complete device consisting of Dry-type Transformer, High-voltage Load Switch or High-voltage Vacuum Switch, Cable connector and Low-voltage Feed Switch or Low-voltage Protection Box and other parts. It is applicable for coal mines with high humility, with a mixture of gas and coal dust, and with explosion hazard, and provides power supply for the comprehensive mechanical coal mining equipment or hand-held electric drill, lighting and other devices.

  • Rated 

    Capacity 

    (kVA)

    Voltage Combination (kV)

    Connection Unit Symbol

    Losses

    Impedance 

    Voltage (%)

    No-load 

    Current (%)

    Primary Voltage

    Secondary 

    Voltage

    No Load

    Load

    50

    6±5%

    0.693/0.4

    Yy0(d11)

    350

    550

    4

    2.5

    100

    520

    920

    4

    2.5

    200

    820

    1550

    4

    2

    315

    1.2/0.693

    1100

    2150

    4

    1.8

    400

    1300

    2600

    4

    1.8

    500

    1500

    3100

    4

    1.5

    630

    1800

    3680

    4

    1.5

    800

    1.2/0.693
    3.45

    Yy0(d11)
    Yyn0

    2050

    4500

    4

    1

    1000

    2350

    5400

    4

    1

    1250

    2750

    6500

    4

    1

    1600

    3350

    8000

    4

    0.8

    2000

    3.45

    Yyn0

    3800

    9500

    4.5

    0.6

    2500

    4500

    10600

    5

    0.6

    3150

    5300

    12500

    5.5

    0.6

    4000

    6100

    14000

    6

    0.6

    5000

    7210

    17640

    6

    0.6

    6300

    8070

    19055

    6

    0.7

  • 1) Low No-load Losses

    1. Uses high-quality silicon steel sheet.

    2. Wound iron core fully utilizes orientation of the silicon steel sheet. The magnetic property is restored through annealing process, reducing its no-load loss by 20% to 35%.

    2) Low Noise

    The noise is from the iron core, and is transferred to the surrounding through the housing.

    Measures for noise reduction:

    1. Reduce the noise source, and adopt the seamless wound iron core, compact structure, small magnetostriction and low noise.

    2. The connecting position is added with silica gel plate, which cuts off the noise spreading approach.

    3) Light Weight and Small Volume.

    4) It is explosion-proof and damp-proof.

    5. The Mobile Substation has a perfect overload, short circuit and leakage protection function. There is an electrical interlock or mechanical interlock device between the high- and low-voltage switches or between a high-voltage switch and the circuit breaker of the upper stage.

    6.Energy Conservation and Environmental Protection

    1) Adopt a Nomex paper-wrapped line with insulation grade C that is imported from American DuPont Company. It uses air insulation and cooling. It has no pollution on the environment, and the product has long service life; the product can be decomposed for recovery after the service life ends;

    2) The high-quality 30Q130 cold-rolled oriented silicon steel sheet and oxygen-free copper conductor are adopted, so that the actual total loss is lower than that of the other similar products.It saves the energy, and lowers noise.


  • 1.The elevation shall not exceed 1,000m;

    2.Ambient temperature    Maximum temperature                              +40℃/104°F

                                            Maximum daily average temperature        +30℃/86°F

                                            Maximum annual average temperature     +20℃/68°F

                                            Minimum temperature                                -5℃/23°F

    3.The relative humidity shall not exceed 95% (at +25 ℃/77°F);

    4.Mines with a mixture of methane gas and coal dust, and a risk of explosion;

    5.Places without strong bump and vibration and with inclination from the vertical plane not exceeding 15°;

    6.No sufficient gas or vapour to cause metals corrosion or insulation damage;

    7.Places without dripping.


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  • NameKai Wang
  • AddressHuaxin Industrial Park, Yangquan, Shanxi, China 045000
  • PhoneChina:15234310529,Canada:+1 3067132408
  • E-mailkwang@hxindustrial.com
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Submit your inquiry
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Your message:
Phone:
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Company:
Name:
Country:
   

Your local Huaxin Service Team

  • NameKai Wang
  • AddressHuaxin Industrial Park, Yangquan, Shanxi, China 045000
  • PhoneChina:15234310529,Canada:+1 3067132408
  • E-mailkwang@hxindustrial.com
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Your message:
Phone:
E-Mail:
Company:
Name:
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Your local Huaxin Cooperation Team

  • NameKai Wang
  • AddressHuaxin Industrial Park, Yangquan, Shanxi, China 045000
  • PhoneChina:15234310529, Canada:+1 3067132408
  • E-mailkwang@hxindustrial.com
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