
Amorphous Alloy Power Transormer
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Amorphous alloy transformer is a kind of power transformer with low loss and high energy efficiency. This kind of transformer uses iron-based amorphous metal as the iron cores, because the material does not have a long-range ordered structure, its magnetization and demagnetization are easier than general magnetic materials. Therefore, the iron loss (that is, no-load loss) of the amorphous alloy power transformer is 70-80% lower than that of the traditional transformer that generally uses silicon steels as the iron cores. Amorphous alloy is a new type of strip, amorphous alloy material does not exist crystal structure, magnetizing power is small, high resistivity, so eddy current loss is small, using this material as the cores can produce a new energy-saving amorphous alloy transformer, is the ideal product for the replacement of distribution network.
Technical Parameter of S(B)H15-M Series Hermetical Amorphous Alloy Power Transformer
Rated capacity(kVA) | Voltage and tapping range | Connection Group Symbol | No-load Loss(W) | Load Loss (W)75℃ | No-load current (%) | Short-circuit impedance(%) | |||
High Voltage (KV) | Tapping ranges of High Voltage | Low Voltage (KV) | |||||||
30 | 66.31010.511 | ±5% ±2×2.5% | 0.4 | Dyn11( or ) Yyn0 | 130 | 630/600 | 2.3 | 4.0 | |
50 | 170 | 910/870 | 2.0 | ||||||
63 | 200 | 1090/1040 | 1.9 | ||||||
80 | 250 | 1310/1250 | 1.9 | ||||||
100 | 290 | 1580/1500 | 1.8 | ||||||
125 | 340 | 1890/1800 | 1.7 | ||||||
160 | 400 | 2310/2200 | 1.6 | ||||||
200 | 480 | 2730/2600 | 1.5 | ||||||
250 | 560 | 3200/3050 | 1.4 | ||||||
315 | 670 | 3830/3560 | 1.4 | ||||||
400 | 800 | 4520/4300 | 1.3 | ||||||
500 | 960 | 5410/5150 | 1.2 | ||||||
630 | 1200 | 6200 | 1.1 | 4.5 | |||||
800 | 1400 | 7500 | 1.0 | ||||||
1000 | 1700 | 10300 | 1.0 | ||||||
1250 | 1950 | 12000 | 0.9 |
The structural requirements for amorphous power transformer are as follows:
1, The structure should be safe and reliable, easy to install, easy to maintain, and should be able to withstand the mechanical, electrical and thermal stress in the standard material composition.
2, Winding material: high voltage winding is wound with copper wire or copper foil, low voltage winding is wound with copper foil.
3, Iron core: the use of soft magnetic characteristics of amorphous alloy strip.
4, Core structure: three-phase three columns or three-phase five columns.
5, The cabinet should use strong Angle steel as support.
6. All non-current carrying parts such as the shell and support frame should be connected together and grounded through the ground bus.
7, High and low pressure inlet and outlet line:
(1) High voltage cable into the line, the protection shell is required to be equipped with cable support; (2) The low voltage side of the transformer adopts the plug type dense busbar slot.
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