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Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

Categories Oil Immersed Power Transformer
Brand Name: Tianan Electric
Model Number: SFSZ11
Certification: CESI,CCC,ISO,IEC
Place of Origin: Ningbo,China
MOQ: 1set
Price: Pending
Payment Terms: T/T, L/C, D/A, D/P
Supply Ability: 1000sets per year
Delivery Time: 60 days
Packaging Details: Nude/ wooden cases
Power capacity: 240MVA
Rated Voltage: 220KV
Transformer type: Oil type
Coil Structure: Toroidal
Cooling method: ONAN / ONAF
winding material: Copper
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    Earthing Oil Immersed Power Transformer 220kv 240mva Compact Structure

    220 Kv 240 MVA Oil Immersed Power Transformer Earthing Transformer


    Product Overview

    For 220kV Oil immersed type transformer,which is substation main transformer.The grounding transformer is used to provide a path to an ungrounded system or when the system neutral is not available for some reason, for example, when a system is delta connected. It provides a low impedance path to the neutral and also limits the transient overvoltage when the ground faults occur in the system. The grounding of the system can be done in the following way

    Usage Environment

    1. Elevation: Not more than 2000 meters.

    2. Ambient temperature:

    Max. + 50℃.

    Min.: -45℃.

    To be defined in details at ordering.

    Standard

    GB 1094.1-2003 GB 1094.2-2003

    GB 1094.3-2003 GB 1094.5-2003

    JB/T 5344.1-2004 J B/T 6303-2004

    JB/T 8506-1996 JB/T 8636-1997

    JB/T 9640-1999


    Technical Parameters


    Rated
    capacity
    (kVA)
    Voltage combinationConnection
    symbol
    No
    -load
    loss
    (kW)
    Load
    loss
    (kW)
    No
    -load
    current
    (%)
    Short
    -circuit
    impedence
    (%)
    Cross weight(t)
    HV(kV)HV
    tapping range
    (%)
    LV(kV)
    31500220 242±2×2.56.3 6.6 10.5YNd11281280.5612~1440
    40000321490.5645
    50000391790.5255
    63000462090.5265
    7500010.5 13.8532370.4875
    90000612730.4485
    120000753380.44110
    15000010.5 13.8 15.75 18 21894000.40125
    160000934200.39130
    1800001024590.36145
    2400001285380.33180
    30000015.75 18 211516410.30210
    3600001737350.30240
    3700001767500.30250

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