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FR3 Vegetable / Mineral Oil Immersed Transformer Manufacturer 3 Phases220KV 20 ~ 400MVA

Categories Oil Immersed Power Transformer
Brand Name: Tianan Electric
Model Number: S11 series
Certification: ASTS Certificate (Intertek)
Place of Origin: CHINA
MOQ: 1 unit
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10 units / year
Delivery Time: 90 days
Packaging Details: Standard export package
Phases: 3 phases
Frequency: 50 / 60 Hz
Insulation Oil: Mineral Oil / FR3 Vegetable oil
Altitude: up to 2,000m
Capacity: 20MVA ~ 400MVA
Type: Outdoor / Indoor
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    FR3 Vegetable / Mineral Oil Immersed Transformer Manufacturer 3 Phases220KV 20 ~ 400MVA

    220KV 20 ~ 400MVA Oil Immersed Transformer Manufacturer 3 Phases


    220kV-252kV Power Transformer
    NINGBO TIANAN (GROUP) CO., LTD.
    1. Product standards
    >> GB1094.1 ~ 2-1996.
    >> GB1094.3, 5-1985.
    >> GB/T6451-1995.
    >> IEC60076.
    2. Low loss
    - Optimization of electromagnetic calculations, using combined technology of electrical shielding
    and magnetic circuit, effectively controlled leakage, so as to reduce the load loss and to avoid
    partial overheating.
    - Use high quality cold-rolled lattice orientation high permeability silicon steel, to reduce the load loss,
    no-load current.
    - Core all-helical stacking with STEP joints, and advanced stacking process, reduced the load loss, load
    current and electromagnetic noise.
    3. Low partial discharge
    To ensure the safe and steady operation of the transformer under continuous rated voltage, our Electric Power Research Institute conducted a lot of research to develop a more reasonable insulation structure, plus the strict technology specifications and technical staff experience, ensured the low partial discharge of our products.
    4. High strength
    - Adoption of six-side method positioning for the body, meets the transportation requirements of, horizontal acceleration not more than 0.3G, vertical direction not greater than 0.15g.
    - Upper and Lower Clamps and the formation of tight fixed side beam frame.
    - The tank can withstand the vacuum test and required positive pressure test.
    5. Low Noise
    - Use of high-quality core silicon steel;
    - Core STEP stepping joints;
    - Reduction of the flux density, despite of the increase of cost;
    - Use low-noise fan as the air cooling equipment;
    - Increase the shock absorbing measures;
    - Well interior-protection, to avoid direct rigid contact of the body and tank;
    6. Maintenance-free
    Our company adopts the domestic leading technology, use fully enclosed structure for the transformer tank, ensuring product life of 30 years, and maintenance-free operation.

    Reference Technical specification:

    220kV ,31500kVA~180000kVA three-phase, two windings,
    on-load voltage regulation power transformer:

    Rated power
    (kVA)

    Voltage combination and

    tap range

    vector groupShort-circuit impendence(%)No-load loss
    (kW)
    On-load loss(kW)No-load current(%)
    HV(kV)LV(kV)
    31500220±8×1.25%6.3
    6.6
    10.5
    11
    35
    37
    38.5
    YNd1112-14301280.7
    40000361490.63
    50000431800.56
    63000502090.56
    9000010.5 11
    35
    37
    38.5
    642740.49
    120000793290.49
    150000933850.42
    1800001084450.42
    12000066
    69
    823370.49
    150000963940.42
    1800001124510.42


    Three- Phase Three-Winding On-Load Voltage Regulating Auto Power Transformer

    Type

    Rated capacity

    (kVA)

    Rated

    Voltage

    Connection

    symbol

    Loss

    (kW)

    No-load current

    (%)

    Capacity assignment

    (%)

    Impedance

    (%)

    HV
    (Kv)

    HV
    (Kv)

    HV
    (Kv)

    No
    -load

    load
    SFSZ11-31500/22031500

    220±8
    ×1.25%

    115
    121

    6.3
    6.6
    10.5
    11
    35
    37
    38.5

    Yna
    0d11

    201030.56100/100/50

    High-
    middle
    8~10

    High-
    low
    28~34

    Middle-
    low
    18~24

    SFSZ11-40000/22040000241250.56
    SFSZ11-50000/22050000291490.49
    SFSZ11-63000/22063000341800.49
    SFSZ11-90000/22090000412350.42
    SFSZ11-120000/220120000

    10.5
    11
    35
    37
    38.5

    512930.42
    SFSZ11-150000/220150000613470.35
    SFSZ11-180000/220180000683980.35
    SFSZ11-240000/220240000835130.30

    Note: 1. listed data in table is suitable for reduction pressure product.
    2. 6.3KV,6.6KV,10.5KV,11KV low voltage product are not be recommended


    ****For detailed technical specifications, please contact us.




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