Feature
SH15 series amorphous alloy full-sealed transformer is an epoch-making technology and trans-century "Green" product. The iron base amorphous alloy core has high saturation magnetic induction intensity, low loss(equivalent to 1/3-1/5 of silicon sheet), low corrective force and low excitation current and good temperature stability. Compared with S9 series with silicon sheet, the no-load loss of the transformer with amorphous alloy core is reduced by 70-80%, no-load current reduced by 50% and load loss reduced by 20%.
The amorphous alloy is a novel energy-saving material made with a fast and abrupt-solidification process and the metal atoms arrange in a disordered amorphous state and its structure completely different from crystal of silicon steel makes it easily magnetized and de-magnetized . When this novel material is used in transformer core , a running transformer may be easily subjected to 120 cycles/second of magnetizing and de-magnetizing process and thus no-load loss of the core is greatly reduced . If the said alloy is used in oil-immersed transformer , escape of harmful gases such as CO2 ,SO2,and NOX may be reduced and thus it is known as "green material" of 21st century.
A Model SH15 amorphous alloy product adopts a single-frame or three-phase five-legged spiral core . The core is clamped with sheet-formed structure and the low-voltage coil is of a foil winding type so as to render a low loss and a high short-circuit withstand. It has advanced and rational structure and its overall performances reach international advanced level.
Main technical data for 10kv level, SH15-M series amorphuous alloy distribution transformer
Rated power (KVA) | High Voltage (KV) | H.V.Tap (KVA) | Low Voltage (KV) | Connection symbol | Short- Circuit Impedance (%) | No-Load Loss (W) | On-Load Loss (W) | No-Load Current (%) |
30 | 6.3 6.6 10 10.5 11 | ±5% ±2×2.5% | 0.4 | Yyn0 Dyn11 | 4 | 33 | 600 | 1.7 |
50 | 43 | 870 | 1.3 | |||||
63 | 50 | 1040 | 1.2 | |||||
80 | 60 | 1250 | 1.1 | |||||
100 | 75 | 1500 | 1 | |||||
125 | 85 | 1800 | 0.9 | |||||
160 | 100 | 2200 | 0.7 | |||||
200 | 120 | 2600 | 0.7 | |||||
250 | 140 | 3050 | 0.7 | |||||
315 | 170 | 3650 | 0.5 | |||||
400 | 200 | 4300 | 0.5 | |||||
500 | 240 | 5150 | 0.5 | |||||
630 | 4.5 | 320 | 6200 | 0.3 | ||||
800 | 380 | 7500 | 0.3 | |||||
1000 | 450 | 10300 | 0.3 | |||||
1250 | 530 | 12000 | 0.2 | |||||
1600 | 630 | 14500 | 0.2 | |||||
2000 | 5 | 750 | 17400 | 0.2 | ||||
2500 | 900 | 20200 | 0.2 |
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