Ville Home    Auto Transformer    Single phase 525/136.6/23KV 250mva AUTO TRANSFORMER 500/132kV Auto transformer SINGLE PHASE 525/v3/136.6/V3/23KV, 250 MVA AUTO TRANSFORMER

Single phase 525/136.6/23KV 250mva AUTO TRANSFORMER 500/132kV Auto transformer SINGLE PHASE 525/v3/136.6/V3/23KV, 250 MVA AUTO TRANSFORMER

500/132kV 250mva single phase Auto transformer  
Type:Oil immersed with On load Tap-changer,1 phase ;
Installation :Outdoor in Switchyard
Rated Power:
 Primary / Secondary:250MVA 
Tertiary:36MVA 
Rated Voltage: HV Winding 500kv 
                        LV Winding 132kv 
                         Tertiary Winding 23kv
Rated Frequency: 50HZ
 Weight :
Dimension:
关注:0

Before Ordering,Pls confirm the technical specification with our sales first! 

Collection
QTY:
  • Single phase 525/136.6/23KV  250AUTO TRANSFORMER 

     

    Sr. No. DESCRIPTION UNIT SPECIFICATION REQUIREMENT
    1 Manufacturer - CHINA
      Country   CHINA
      -  Class - A
      -  Type   Oil immersed with On load Tap-changer, single phase
    2 Installation   Outdoor in Switchyard
    3 Rated Power    
      ‘  Primary / Secondary MVA 250
      -  Tertiary MVA 36
    4 Rated Voltage    
      -  HV Winding kV 525/v3
      -  LV Winding kV 136.6/v3
      -  Tertiary Winding kV 23kv
    5 Rated frequency Hz 50
    6 3 Phase Winding Connections - YN,a0,d11
    (Group of Vectors IEC 76)
    7 Cooling - ONAN/
    ONAF
    8 Tap Changer :    
          - Make   MR GERMANY
      -  Type   Oil / Vacuum 
      -  On-Load Tap Changer Location   HV Neutral side
      -  Regulating range % +5 to -15 in 17 steps
      -  Rating   Rated power on all taps
    9 Rated current at ONAF rated power and rated voltage tap:    
      -  HV Winding A 289
      -  LV Winding A 722
      -  Tertiary Winding A 630
    10 No- load current through:   At 100%
      -  HV Winding A 1.15(max)
      -  LV Winding A 2.88(max)
      -  Tertiary Winding A 2.5(max)
    11 Short Circuit Impedance   Base: Rated voltage and 
    250 MVA
    12 Direct Impedance at nominal Voltage tap:    
      -  HV / LV % 15
      -  HV / TV % 50
      -  LV / TV % 33
    13 Direct Impedance at minimum voltage tap:    
        % ≤ 15
    14 Direct Impedance at maximum voltage tap:    
      -  HV/LV % 15
    15 Zero sequence impedance at nominal voltage tap % 10.47
      -  HV / LV % -
      -  HV / TV % -
      -  LV / TV % -
    16 Tolerance to be applied to the short circuit impedance, in terms of % of the guaranteed values on:    
      -  Nominal voltage tap % ±5
      -  Other taps % ±15
    17 Transformer capacity to withstand external short circuits:    
      Short Circuit Duration s 2

     

     

send inquiry
Add to cart