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Amorphous Alloy Distribution Transformer - Low Loss, High Efficiency, Factory Suppliers in China
Product Features
◇ 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 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 | 1.0 | |||||
| 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 | 1.0 | |||||
| 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 500kv For transformers below 1000A, 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
✓
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)
What are the primary international and national standards these transformers comply with?
These transformers are designed and manufactured in compliance with major standards including GB 1094 (Parts 1, 2, 3, 5), GB/T25446-2010, GB311.1-1997, IEC 60076, and ANSI/C57.12.00.
What options are available for the connection groups?
The standard connection groups include Dyn11 and Yyn0, which can be selected according to your specific application requirements.
What are the standard high voltage tapping ranges supported?
The standard high voltage tapping ranges are ±5% or ±2×2.5%. Custom tapping ranges can also be provided depending on the user's specific operational needs.
Can these performance parameters be applied to dual voltage systems?
Yes, the performance parameters detailed in the specifications are fully applicable to high voltage dual voltage 20 (10)kV transformers.
How do I choose the correct load loss value for transformers rated 500kVA and below?
For transformers of 500kVA and below, the load loss values above the slash in the parameter table apply to the Dyn11 connection group, while values below the slash apply to the Yyn0 connection group.

