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Is specialized in designing, manufacturing for power transformers ,furnace transformers and reactor.

18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 1
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 2
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 3
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 4
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 1
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 2
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 3
18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series 4

18000kvar Arc Furnace Oil Immersed Reactor Iron Core Series

Series Reactors are used in Electric Arc Furnaces (EAF) to provide furnace operation with longer arcs, lower currents and lower electrode consumption. Such reactors are very useful in the first melting period. With the molten scrap, the absence of the series reactor would allow higher power transfer to the EAF, reducing the tap-to-tap cycle, thus increasing productivity.

 

This paper proposes an active series reactor based on static power converters, which has the flexibility to dynamically change its impedance value during the steel production period. Simulation of a real plant demonstrate the effectiveness of the proposition. Through-put rating up to 160 MVAr

 

Model NO.: XKSSP-18000/33

Cooling Method: Oil-immersed Type Transformer

Winding Type: Multi-winding Transformer

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    BASIC INFO.

    Model NO. XKSSP-18000/33 Shape of Core Ring
    Cooling Method Oil-immersed Type Transformer Brand Ville
    Winding Type Multi-winding Transformer Transport Package Wooden Case
    Certification ISO9001-2000, ISO9001 Specification IEC
    Usage Series Furnace Reactors Trademark Ville
    Frequency Characteristics High Frequency Origin China
    Production Capacity 50000 Sets/Year HS Code 85
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    Technical parameters

    1.1.1 GENERAL TECHNICAL DATA  
    Highest voltage      36kV 50Hz
    Operating voltage   33 kV±5% 50Hz
    Voltage for aux. drivers    380V 50Hz
    Control voltage     220V 50Hz
    Interlock voltage   220V 50Hz
    PLC signals       24V DC
    Ambient temperature max./min. 45 / - 10 Deg. C
    Altitude 1500 m
    Humidity 80 %
    1.1.2 TRANSFORMER DATA   
    Operating voltage   33kV±5%
    Frequency    50Hz  ±1%
    Operation     Continuously
    EAF transformer rated capacity     MVA (+ 20% Overload)
    Rated current      2449.4 A    (+ 20% Overload)
    Reactor Rated Power 18 MAVR  (25.92 MVA Overload)
    Reactance in normal tap 1 Ω
    Number and ratio of taps  6 taps:
    100%-80%-60%-40%-20%-0
    Insulation level
    Winding:
    Um:
    AC:
    BIL:
    Full insulation
    HV         
    52 kV       
    95 kV       
    250 kV      
    Protection level        IP54
    Vector group          III 
    System short circuit capacity    1500 MVA
    Short circuit duration 6 sec
    Short circuit times 2.5 times
    Regulation method  Off circuit
    Type of tap changer           NLTC  Off -circuit  motor drive
    Manufacturer             Shanghai Huaming / China (ZUNYI)
    Model       2*ZWL III-1600/40- 6 taps
    Number of taps 6
    Reactor Winding Materials Copper
    Cooling Type OFWF   
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