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Amorphous Alloy Distribution Transformer Suppliers and Factory in China - Low Loss, High Efficiency Solutions

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Overview
Amorphous alloy transformers represent a cutting-edge solution for low-loss, high-efficiency power transmission, ideal for modern energy demands. Utilizing iron-based amorphous metal as their core material, these transformers offer superior magnetization and demagnetization properties compared to traditional magnetic materials. As a result, the iron losses—often referred to as no-load losses—are reduced by 70-80% when compared to conventional transformers that utilize silicon steel cores. This significant reduction in loss directly translates to decreased power generation requirements, thereby lowering greenhouse gas emissions such as carbon dioxide. Given their energy efficiency and environmental benefits, amorphous alloy transformers are increasingly favored in large-scale developing countries like China and India. By fully integrating these advanced transformers into their distribution networks, these countries could potentially save around 25-30 TWh of electricity, significantly cutting down carbon dioxide emissions by 20-30 million tons annually. As a leading supplier in this sector, our factory is dedicated to producing high-quality amorphous alloy transformers that meet the growing needs of markets in China and beyond.

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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: 0.4kV
    Connection group: Dynl1orYY
    High voltage tapping range: ±5% or ±2×2.5%
    Insulation level: LI75AC35/LI OAG5
    Frequency: 50Hz

    Model Meaning

    product-description1

    Product Performance Parameters

    Rated capacity Voltage combination (kV) Link group label No-load loss Load loss No-load current Impedance voltage
    high pressure High pressure decomposition 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
    ⚠️ Notes:
    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 Voltage combination (kV) Link group label No-load loss Load loss No-load current Impedance voltage
    high pressure High pressure decomposition 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
    ⚠️ Notes:
    Note 1: When the core is three-phase and three-column, it can also be used as needed.Yyn0Connection group.
    Note 2: For rated capacity of 500kv For transformers below 1000A, the load loss values above the slash in the table apply to Dyn11The load loss values below the slash apply to the connected groupYyn0 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)kVTransformer
    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
    GB1094.2-1996 Temperature rise of the second part of power transformer
    GB1094.3-2003 Power transformers - Part 3 Insulation levels, insulation tests and external insulation air gaps
    GB1094.5-2008 Power transformer part 5 short circuit capability
    GB/T25446-2010 Technical parameters and requirements of oil-immersed amorphous alloy core distribution transformers
    GB311.1-1997 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 (FAQ)

    Which standards do these transformers comply with?
    These transformers comply with major national and international standards, including GB 1094 (Parts 1, 2, 3, and 5), GB/T25446-2010, GB311.1-1997, IEC 60076, and ANSI/C57.12.00.
    What are the rated high voltage options available for these transformers?
    The rated high voltage can be configured for 10 (11, 10.5, 6.6, 6.3, 6) kV, as well as 20 kV (applicable to high voltage dual voltage 20 (10) kV transformers). Other high voltage tapping ranges can also be provided according to user needs.
    What connection groups (link groups) are supported?
    Standard connection groups include Dyn11 and Yyn0. For three-phase transformers with a rated capacity of 500kVA and below, the load loss values apply differently depending on the connection group (Dyn11 or Yyn0).
    What is the standard insulation level and frequency?
    The insulation level is LI75AC35/LI OAG5, and the rated operating frequency is 50Hz.
    Can the high voltage tapping ranges be customized?
    Yes, three-phase transformers with alternative high voltage tapping ranges (standard options include ±5% or ±2×2.5%) can be supplied based on specific user requirements.
    Why might the parameters in the tables vary slightly from my actual order?
    Due to continuous product updates and improvements, technical parameters may change over time. Please always refer to the specific parameters provided at the time of ordering.

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