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No Load Tap Changer S11 50 Kva Transformer 3 Phase 20KV 415V

Categories Oil Immersed Power Transformer
Brand Name: Tianan Power
Model Number: S11-M
Certification: ISO9001,IEC
Place of Origin: China
MOQ: 10 unit
Price: Pending
Payment Terms: L/C, T/T
Supply Ability: 1000 sets/year
Delivery Time: 60 work days
Packaging Details: Wooden Case
Usage: Power
Phase: Three
Frequency: 50/60Hz
Type: Oil Immersed
Product name: S11 series full sealed 20KV three phase distribution transformer
Rated voltage: 20KV
Winding material: Cooper
Advantage: High Quality
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    • Product Details
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    No Load Tap Changer S11 50 Kva Transformer 3 Phase 20KV 415V

    S11 series full sealed 20KV three phase distribution transformer


    1. General of S11 series full sealed 20KV three phase distribution transformer

    1.1 Application

    10~35kV class transformers are widely used in power transmission and distribution stations, industry plants, Generation Step-up Unit (GSU). They have the characteristic of high efficiency, low loss and maintenance free.

    1.2 Type and Rating

    Capacity range: 50-50000KVA

    Secondary voltage: 415V, 400V etc.

    Frequency: 50Hz, 60Hz

    Type: Single phase, three phase

    No-load tap changer and on-load tap changer

    ONAN and ONAF

    Set-up and set-down type

    1.3 Standard

    IEC60076-1, IEC60076-2, IEC60076-5, IEC60317, ANSI, IEEE, AS, etc.


    2. Condition of service of S11 series full sealed 20KV three phase distribution transformer

    2.1.1 Altitude: Up to 1000m above sea level

    2.1.2 Ambient temperature:

    Max. +40℃

    Average (daily, Max.) +30℃

    Average (yearly, Max.) +20℃

    Min. -45℃

    2.1.3 Application: Outdoor

    2.2 Special conditions: It may be consulted between manufacturer and customer.


    3. Structure feature of S11 series full sealed 20KV three phase distribution transformer

    3.1Tank of

    The tank, cover and the conservator are made by corrugated steel plate. For the small transformers, we use a deep tank and a cover, but for larger transformers, we manufacture bell type. The corrugated construction are a effective way for oil cooling.

    4. Technical data of typical products


    TypeVoltage ratio (kV)Connection

    No load

    loss

    (w)

    Load loss

    (w)

    Io

    (%)

    UK

    (%)

    Dimension(mm)

    Weight

    (kg)

    abcdef
    S11-M-30/20

    20(10)±5%/0.4


    Yyn0


    Dyn11

    100690/6602.1

    5.5

    1100700124014400400640
    S11-M-50/201301010/9602.01130710126014400450710
    S11-M-63/201501200/11501.91160740127014400450780
    S11-M-80/201801440/13701.81200770128014400450860
    S11-M-100/202001730/16501.61220800130014400450900
    S11-M-125/202402080/19801.51270840133019550450970
    S11-M-160/202902540/24201.413208701350195505501100
    S11-M-200/203403000/28601.313609001380195505501240
    S11-M-250/204003520/33501.214309101430195506501420
    S11-M-315/204804210/40101.114609201450195506501570
    S11-M-400/205704970/47301.014909401470196607501740
    S11-M-500/206805940/56601.015709701540196607501950
    S11-M-630/2081068200.9

    6.0

    165010001580196608502290
    S11-M-800/2098082500.8175010701650198208502690
    S11-M-1000/201150113300.7183011701690198208502880
    S11-M-1250/201380132000.7190012001790198208503400
    S11-M-1600/201660159500.6195012501850198209004100
    Buy No Load Tap Changer S11 50 Kva Transformer 3 Phase 20KV 415V at wholesale prices
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