• shengzhi posted an update 2 weeks, 5 days ago

    66kV Oiled Current Transformer Electric Substation Equipment
    66kV Oiled Current Transformer Electric Substation Equipment
    66kv current transformer we have two kinds, upright and inverted type.
    Dead tank is a traditional design which has mature technology, rich operation experience, good stability and low cost.
    Live tank is a new and popular design, it is suitable for big current ratios, good electrical field, compact structure and strong dynamic thermal ability.
    Both of them we have rich manufacturing and operating experience.
    Optimized designs for external insulation make inner and external electric field distribute evenly without discharge. Two type insulators are offered for user.
    1. Composite insulator
    2. High strength porcelain insulator
    Hermetically sealed stainless steel metallic bellows is installed on the top, which protect the transformer oil from moisture and extend the life time, also there is a oil level gauge on the bellows for observing the changing of oil volume.
    The base and secondary box adopt spray painting or hot galvanizing, which gives a high degree of corrosion resistance.
    Product Name66kV Oiled Current Transformer Electric Substation Equipment
    Brand NameHYEE
    OriginDalian, CN (Mainland)
    Coil StructureWound
    Coil Number1-6
    PackageWooden Carton
    Delivery Time25-30 days
    ◆It is outdoor, single phase and oil immersed live and dead tank current transformer, which can be used in 66~69kV, 50 or 60Hz power system for metering, measuring and protecting
    ◆IEC 61869-1; IEC 61869-2
    ◆GB 20840.1; GB 20840.2
    ◆IEEE C57.13
    Service conditions
    ◆Ambient temperature: -55~+45℃
    ◆Altitude: ≤1000m (If above 1000m,the product will be customized according to user’s request)
    ◆Pollution level: II, III, IV
    Rated frequency,Hz50; 60
    Rated voltage,kV66 or 69
    Highest voltage for equipment, kV72.5
    Rated power frequency withstand voltage, kV140/160
    Rated lightning impulse voltage, kV325/350
    Flashover distance, mm700
    Cree. distance, mmW1:1450
    Mechanical load, N3000
    Rated primary current, A5~5000
    Rated secondary current, A1; 2; 5
    Accuracy class0.1; 0.2; 0.5; 0.2S; 0.5S; 0.5S; 5P; 10P; PX…
    Rated output(Recommended value), VA1A: 10~30 VA
    2A: 10~30 VA
    5A: 15~50VA
    Instrument security factor FS5; 10
    Accuracy limit factors ALF10,15,20,25,30
    Short-time thermal current(Maximum),kA50kA/3s
    Technical date of transient protection winding
    Accuracy classTPY
    Rated ratio,A1000~8000/1
    Rated resistive burden (Rb), VA7.5; 10; 15; 20
    Rated symmetrical short-circuit current factor (Kssc)10; 15; 20
    Rated primary time constant(Tp)40; 60; 80; 100
    Duty cycle:C-0.1s-O
    C-0.1(0.04)s-0.5s-0.1(0.04)s-O66kV Current Transformer price

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