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SZ11 Type Oil Immersed Transformer Three Phase Voltage 35kv Transformer

Categories Oil Immersed Transformer
Brand Name: E-heart
Model Number: S11 / 13 ; sz 11 / 13 ; SFZ 11 / 13
Certification: ISO9001,ISO14001,PCCC,
Place of Origin: CHINA
MOQ: 1
Price: Discuss personally
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 1000 pcs
Delivery Time: 7-20 work days
capacity range: <31500kVA
phase: 3-phase
frequency: 50Hz
voltage: 35kv
cooling method: ONAN / ONAF
another namerl: Power Transformer
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    SZ11 Type Oil Immersed Transformer Three Phase Voltage 35kv Transformer

    Basic performance parameter of SZ11 type 35kV three-phase voltage regulation transformer


    Rated
    capacity(kVA)
    Rated voltage(kV)Vector
    group
    No-load
    current(%)
    Loss(W)Short
    circuit
    impedance
    Outline
    dimensions(mm)
    Weight(kg)Gage
    horizontal*
    vertical
    H.V.tapping
    range
    L.V.No loadNo loadWith loadLWHbody weightoil weighttotal
    200035±3*2.5%
    or
    ±4*2.5%
    6.3
    10
    10.5
    Yd110.652300192406.53110220028102775156059651070*1070
    25000.652720206403110254029853300175069501070*1070
    31500.63230247107.03225273028453770197079001070*1070
    40000.63870291603315292030754520226091101070*1070
    50000.5546403420034853025315054802475108551070*1070
    630038.50.555630367707.535952910321568102620123001475*1475
    8000YNd110.578704061040753055360080663330153001475*1475
    100000.592804805041102800366097053750178581475*1475
    125000.4510940568608.0457530153845109634215200421475*1475
    160000.41317070320524033004620131404900237401475*1475
    200000.41557082780536534204665156535700281861475*1475


    The transformer with load voltage regulating tap switches called on load regulating transformer. Under the condition of not cutting load current, though tap switch, numbers of sub-joints will be led out from the transformer winding to change the sub-joint position and change its effective turn. That is, gain the purpose of no change of output voltage through changing voltage ratio of the transformer. In the process of changing and sub-jointing, cycling current is absorbed and limited by transitional resistance.



    Above data and outline dimensions are just for reference, final data based on real products.


    The oil-immersed transformer produced by our factory have these advantages: low loss, low noise, high short circuit strength and good appearance. We company create these prefect products of that each parameter has reached to advanced level among domestic similar products by combining advanced manufacture equipments and technology.


    Coil: The high-voltage(HV) coil adopts an interleaved-continuous structure, The low-voltage(LV) coil adopts an interleaved-continuous or spiral structure, are independently provided with voltage-regulating winding to balance the ampere turn of each winding-up, effectively lower the mechanical force to minimal level. In the transformer winding, there is a zigzag oil guide structure so as to fully cool all areas inside the winding, lower the temperature rise of the winding and the hot points of the winding and prolong the service life of insulation.


    Core and main body: it is used iron core cutting line ,all inclined ladder joints and improving flux trend to eliminate flux saturation phenomenon of iron core in joints . By doing these, it reduces the no-load loss, no-load current and noise of transformers. Adopting pulling-plank structure, in order to strengthen the ability of withstanding short-circuit, we put many nails around pressing planks and bracing plates are used as support between H.V and L.V yoke, make the iron core be a whole.


    Oil tank: the tank's structure of oil-immersed transformer is bell jar type or suspended type, have a good looking and high mechanical strength. It adopts" flanged joint" technology in every key point (such as annular tubes, pressure valves, switches,etc.), which effectively avoid leaking oil.

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