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Amorphous Alloy Distribution Transformers - High Efficiency, Low Loss | China Suppliers & Factory
Product Features
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GB/T10228-1997, GB6450-1986, JB/T10088-2004, GB4208-1993
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Rated high voltage: 10 (11, 10.5, 6.6, 6.3, 6)kV
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Rated low pressure: 0.4kV
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Connection group: Dynl1orYY
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High voltage tapping range: ±5% or ±2×2.5%
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Insulation level: LI75AC35/LI OAG5
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Frequency: 50Hz
Model meaning
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 | |||||
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 | 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 | |||||
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
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GB 1094. 1-1996 Power transformers Part 1 General
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GB1094.2-1996 Temperature rise of the second part of power transformer
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GB1094.3-2003 Power transformers - Part 3 Insulation levels, insulation tests and external insulation air gaps
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GB1094.5-2008 Power transformer part 5 short circuit capability
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GB/T25446-2010 Technical parameters and requirements of oil-immersed amorphous alloy core distribution transformers
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GB311. 1-1997 Insulation coordination of high voltage power transmission and transformation equipment
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IEG 60076 Power Transformer
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ANSI/C57.12.00 General technical requirements for oil-immersed distribution, power and voltage regulating transformers
Frequently Asked Questions (FAQ)
What are the rated high voltage options for these transformers?
The standard rated high voltage options include 10 (11, 10.5, 6.6, 6.3, 6) kV, and they are also applicable to high voltage dual voltage 20 (10) kV systems.
Which standards do these distribution transformers comply with?
The products meet multiple national and international standards, including GB 1094, GB/T25446-2010, GB311.1-1997, IEG 60076, and ANSI/C57.12.00.
Can the connection group be customized?
Yes. While the standard connection groups are Dyn11 or Yyn0, a Yyn0 connection group can also be used as needed when the core is a three-phase column or three-phase three-column structure.
What is the standard high voltage tapping range?
The standard high voltage tapping range is ±5% or ±2×2.5%. However, other high voltage tapping ranges can be provided according to specific user needs.
Are the technical parameters in the performance tables subject to change?
Due to continuous product updates, the parameters in the tables may change. Please refer to the specific parameters provided at the time of ordering.

