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    YB-12/0.4 Combination Transformer Substation
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    01
    YB-120.4 (1).jpg

    YB-12/0.4 Combination Transformer Substation

    Using the environment
    1.The ambient air temperature shall not exceed 40℃,and the average measured within 24 hours shall not exceed 35℃,and the lowestambient air temperature shall be-25℃;
    2.Altitude shallnot exceed 1000m;
    3.The surrounding air is not visibly polluted by dust,smoke,corrosive or combustible gases,vapors or saltmists;
    4.Relative humidity:The average relative humidity measured within 24 hours shall not exceed 95%,the average water vapor pressuremeasured within 24 hours shall not exceed 2.2kPa,the average monthly relative temperature shall ot exceed 90%,and the average monthlywater vapor pressure shall not exceed 1.8kPa;
    5.The inclination of the equipment with the vertical plane during installation shal not exceed 3°;
    6.The equipment should be installed in a place without severe vibration and impact;Note:users with special requirements can negotiate withour company to solve.

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      product details
      Main technical parameters

      Product overview

      YB-12/0.4 Combination pre-installed transformer substation,is the combination of high-voltage electrical equipment,transformers,low-voltage electrical equipment and other electrical equipment into a compact set of power distribution devices.Used in urban high-rise buildings,luxury villas,public squares and parks,residential areas,high and new technology development zones,small and medium-sized factories,mines and il fields,and temporary construction power,etc.,for receiving and distributing power in the AC 50Hz(60Hz)rated voltage 7.2~12/0.4kV power distribution system.
      Combined with YB-12/0.4 type transformer substation,with complete sets of strong,small size,compact structure,safe and reliable running,convenient maintenance,as well s the characteristics of mobile,compared with the conventional civil type transformer substation,with thecapacity of the box-type substation covers an area of only 1/10～15 for conventional substation,greatly educing the workload of design andconstruction,reduce the construction costIn the distribution system,t can be used in the loop network distribution system,dual power supplyor radiation terminal distribution system,and is a new complete set of equipment for the construction and transformation of urban and ruralsubstations at present.
      This product conforms to GB/T17467《highlow voltage Pre-instlled substation》and IEC601330《High/low voltage Pre-installed substation.

      Model meaning

      YB-120

      technical parameters

      Items Units High voltage electric equipment Transformer Low voltage electric equipment
      Rated voltage Ue kV 7.2/12 6/0.4、12/0.4 0.4
      Rated capacity Se kVA Mesh type:100~1250 Max 2×1250
      Pyramid type:50~800 Max 2×1250
      Rated current le A 200~630 100~3000
      Rated disconnect current A Load switch 400~630A 15~63
      kA Depending on the fuse combination 15~63
      Rated Short-Time withstand current(1s) kA 20×(2) 200-400KVA 15×1
      12.5×(4) 400KVA 30×1
      Rated peak withstand current kA 31.5、50 200~400KVA 30
      31.5、50 400kVA 63
      Rated closing current kA 31.5、50
      Power frequency withstand voltage 1min kV Relative ground and phase 30/42 Oil immersion:35/5min ≤300V,2KV
      Isolation fracture 34/48 Dry type:28/5min 300-660V,2.5KV
      Lightning shock kV Relative ground and phase 60/75 75
      Isolation fracture 75/85 75
      Noise level dB Oil immersion:<55
      Dry type:<65
      Protection grade IP23D
      Overall dimensions Accordng to the scheme and the salected high and low voltage switchgear and transformer,select diferent dimensions.

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