Amorphous Metal Dry-type power Transformer (AMDRT)

The dry-type transformer is without oil, so it is danger of burning and can be installed indoor as well as be entered into load center to meet the needs of high-density load development in modern metropolises. No-load loss of AMDRT is 75% lower than that of GB/T10228 Table 4 group, load loss is 15% lower than that of GB/T10228 Table 4. It is contemporary the most advanced energy saving dry-type transformer.AMDRTs possess such advantages as low no-load loss, no oil, flame retardation and self-extinguishing, moisture resistance, crack resistance, maintenance-free etc. Amorphous dry-type transformers can be used to replace all common dry-type transformers which now are used in many places. They can used in high buildings, commerce centers, subways, airports, train stations, enterprises and power plants. They are especially suitable for installing and using in such places where strict fireproof requirements, including anti-combustible and anti-explosive, must be met. Service conditions: Ambient temperature: Maximum ambient temperature+40°C; Maximum average temperature in any one month +30°C; Maximum average temperature in any one year+20°C; Minimum ambient temperature-5°C A height above sea-level not exceeding 1000m. The wave shape of supply voltage is approximately sinusoidal. Three-phase supply voltages are approximately symmetrical. There is no obvious filth in installing environment. Indoor using Features: The LV windings of this product are foil windings, they are wound with copper foils. The HV windings are wound with H class high-strength enamel wires, and enveloped by epoxy resin reinforced with the glass-fiber, which possess excellent moisture-resistant and crack-resistant characteristics. The core is wound with amorphous alloy ribbons. A structure of rectangular section and of four-frame and five-leg is adopted for the core Energy saving result No-load loss of AMDRT is three fourths lower than the value specified in Table 4 group I of current National Standard GB/T10228-1997. Suppose: Reactive economic equivalent k1=0.1kW/kVar; annual operating time T=8760h; unit price of electricity A=0.6yuan/kWh; annual average load factor 0.8; then if a unit of SCBH10 AMDRT with 630kVA is used instead of SC8 dry-type transformer, the operation loss P would be reduced as follows: P=[1.68+0.1×1.6×630×10-2+6.91×0.82] – [0.42+0.1×0.5×630×10-2+5.87×0.82] = 2.62kW Annual economic benefit and social benefit are as follows: Saving electric energy 22951kWh Reduced by 29.8t of CO2 discharge Saving electric utility cost13770yuan Reduced by 524kg of SO2 discharge Saved coal 11.5t Reduced by 287kg of NO2 discharge