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China Amorphous Alloy Distribution Transformer - High-Efficiency Power Solution from Trusted Suppliers and Factory

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Overview
The amorphous alloy transformer represents a significant advancement in power transformer technology, designed for low-loss and high-efficiency performance. Utilizing an iron-based amorphous metal core, this transformer features a unique structure that enhances magnetization and demagnetization processes. As a result, the iron loss—also known as no-load loss—of amorphous alloy transformers is 70-80% lower compared to traditional transformers that employ silicon steel cores. This remarkable reduction in loss not only diminishes the demand for power generation but also leads to a substantial decrease in greenhouse gas emissions, including carbon dioxide.

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As energy supply and environmental protection become increasingly critical, amorphous alloy transformers are gaining popularity in rapidly developing countries such as China and India. The widespread adoption of these transformers in the electrical distribution networks of China and India could result in an estimated savings of 25-30TWh in electricity and a reduction of 20-30 million tons of carbon dioxide emissions annually. With numerous suppliers and a robust manufacturing factory presence in these regions, the transition to amorphous alloy transformers is both feasible and beneficial for sustainable energy practices.

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    Product Features

    Standards: GB/T10228-1997, GB6450-1986, JB/T10088-2004, GB4208-1993
    Rated High Voltage: 10 (11, 10.5, 6.6, 6.3, 6) kV
    Rated Low Pressure: 0.4 kV
    Connection Group: Dyn11 or Yyn0
    High Voltage Tapping Range: ±5% or ±2×2.5%
    Insulation Level: LI75AC35 / LI0AG5
    Frequency: 50Hz

    Model Meaning

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    Product Performance Parameters

    Rated Capacity (kVA) Voltage Combination (kV) Link Group Label No-load Loss (W) Load Loss (W) No-load Current (%) Impedance Voltage (%)
    High Pressure High Pressure Tap Range (%) Low Pressure
    30 6, 6.3, 6.6, 10, 10.5, 11 ±2×2.5, ±5 0.4 Dyn11, Yyn0 33 630/600 1.5 4
    50 43 910/870 1.2
    63 50 1090/1040 1.1
    80 60 1310/1250 1
    100 75 1580/1500 0.9
    125 85 1890/1800 0.8
    160 100 2310/2200 0.6
    200 120 2730/2600 0.6
    250 140 3200/3050 0.6
    315 170 3830/3850 0.5
    400 200 4520/4300 0.5
    500 240 5410/5150 0.5
    630 320 6200 0.3 4.5
    800 380 7500 0.3
    1000 450 10300 0.3
    1250 530 12000 0.2
    1600 630 14500 0.2
    2000 750 18300 0.2 5
    2500 - 21200 0.2 5
    Note: Due to continuous product updates, the parameters in the table may change. Please refer to the parameters provided when ordering.
    Note 1: When the core is a three-phase column, a Yyn0 connection group can also be used as needed.
    Note 2: For three-phase transformers with a rated capacity of 500kVA and below, the load loss values above the slash in the table are applicable to the Dyn11 connection group, and the load loss values below the slash are applicable to the Yyn0 connection group.
    Note 3: Other loss values may be selected if required by the user.
    Note 4: Three-phase transformers with other high voltage tapping ranges can be provided according to user needs.

    Product Performance Parameters (Continued)

    Rated Capacity (kVA) Voltage Combination (kV) Link Group Label No-load Loss (W) Load Loss (W) No-load Current (%) Impedance Voltage (%)
    High Pressure High Pressure Tap Range (%) Low Pressure
    30 20 ±2×2.5, ±5 0.4 Dyn11 40 690/660 1.5 5.5
    50 55 1010/960 1.2
    63 65 1200/1150 1.1
    80 75 1440/1370 1
    100 90 1720/1650 0.9
    125 100 2080/1980 0.8
    160 120 2540/2420 0.6
    200 145 3000/2860 0.6
    250 165 3520/3350 0.6
    315 200 4210/4010 0.5
    400 240 4970/4730 0.5
    500 290 5940/5560 0.5
    630 370 6820/8250 0.3 6
    800 450 11330 0.3
    1000 530 13200 0.3
    1250 620 15950 0.2
    1600 750 19140 0.2
    2000 900 22220 0.2
    2500 1080 21200 0.2
    Note 1: When the core is three-phase and three-column, it can also be used as needed Yyn0 Connection group.
    Note 2: For rated capacity of 500kVA and below transformers, the load loss values above the slash in the table apply to Dyn11. The load loss values below the slash apply to the connected group Yyn0 Connection group.
    Note 3: Other loss values may be selected if required by the user.
    Note 4: Transformers with other high voltage tapping ranges can be provided according to user needs.
    Note 5: The performance parameters in the table are also applicable to high voltage dual voltage 20 (10)kV Transformer.
    Note 6: Due to continuous product updates, the parameters in the table may change. Please refer to the parameters provided when ordering.

    Products Meet Standards

    GB 1094.1-1996 Power transformers Part 1 General
    GB 1094.2-1996 Temperature rise of the second part of power transformer
    GB 1094.3-2003 Power transformers - Part 3 Insulation levels, insulation tests and external insulation air gaps
    GB 1094.5-2008 Power transformer part 5 short circuit capability
    GB/T25446-2010 Technical parameters and requirements of oil-immersed amorphous alloy core distribution transformers
    GB 311.1-1997 Insulation coordination of high voltage power transmission and transformation equipment
    IEC 60076 Power Transformer
    ANSI/C57.12.00 General technical requirements for oil-immersed distribution, power and voltage regulating transformers

    Frequently Asked Questions

    Q1: Which standards do these distribution transformers comply with?
    These transformers are designed and manufactured in strict compliance with Chinese national standards and international standards, including GB 1094 (Parts 1, 2, 3, 5), GB/T25446-2010, IEC 60076, and ANSI/C57.12.00.
    Q2: What are the rated high voltage options available for these models?
    The rated high voltage options include 6kV, 6.3kV, 6.6kV, 10kV, 10.5kV, 11kV, and 20kV, depending on the specific requirements of your power grid.
    Q3: Can these transformers support both Dyn11 and Yyn0 connection groups?
    Yes. The standard connection groups are Dyn11 or Yyn0. For three-phase transformers with a rated capacity of 500kVA and below, specific load loss values apply to each group as indicated in the product parameters.
    Q4: Are custom high-voltage tapping ranges available?
    Yes, we provide standard tapping ranges of ±5% or ±2×2.5%, and other customized high-voltage tapping ranges can be engineered according to the user's specific power demands.
    Q5: What is the rated insulation level of these transformers?
    The insulation level is rated at LI75AC35 / LI0AG5, ensuring excellent dielectric strength and reliability under operating conditions.
    Q6: Are the performance parameters applicable to dual-voltage systems?
    Yes, the performance parameters outlined in the technical specification tables are fully applicable to high voltage dual voltage 20 (10)kV transformers.

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