An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. The magnetic core of this transformer is made with a ferromagnetic amorphous metal.The typical material (Metglas) is an alloy of iron with boron, silicon, and phosphorus in the form of thin (e.g. 25 µm) foils rapidly cooled from melt. These materials have high magnetic susceptibility, very low coercivity and high electrical resistance. The high resistance and thin foils lead to low losses by eddy currents when subjected to alternating magnetic fields. On the downside amorphous alloys have a lower saturation induction and often a higher magnetostriction compared to conventional crystalline iron-silicon electrical steel.
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| - Amorfní transformátor (cs)
- Amorphous metal transformer (en)
- アモルファス変圧器 (ja)
- 非晶合金变压器 (zh)
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| - Amorfní transformátor (Amorphous Metal Distributin Transformer) je druh VN transformátoru, který se nachází v distribučních sítích. Na rozdíl od klasických transformátorů, které mají magnetické jádro složené z orientovaných (anizotropních) plechů, mají amorfní transformátory magnetický obvod složený z amorfních (izotropních) plechů (kovů). Amorfní transformátory se vyznačují nákladnější výrobou, avšak nesmírné pozitivum jsou nižší ztráty, malý environmentální dopad na okolí a dlouhodobě nižší náklady na provoz transformátoru. (cs)
- An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. The magnetic core of this transformer is made with a ferromagnetic amorphous metal.The typical material (Metglas) is an alloy of iron with boron, silicon, and phosphorus in the form of thin (e.g. 25 µm) foils rapidly cooled from melt. These materials have high magnetic susceptibility, very low coercivity and high electrical resistance. The high resistance and thin foils lead to low losses by eddy currents when subjected to alternating magnetic fields. On the downside amorphous alloys have a lower saturation induction and often a higher magnetostriction compared to conventional crystalline iron-silicon electrical steel. (en)
- アモルファス変圧器（アモルファスへんあつき）は、鉄芯に従来の珪素鋼板に代わりアモルファス金属を用いた変圧器。無負荷時の鉄損が少ないため、近年採用が増えつつある。 従来の珪素鋼板を使用する変圧器と比較して損失は少ないものの、大きく、重く、騒音がやや大きいという欠点も併せ持つ。 (ja)
- 非晶合金变压器(Amorphous Metal Transformer)是一种低损耗、高能效的。此类变压器以作为铁芯，由于该材料不具长程有序结构，其磁化及消磁均较一般磁性材料容易。因此，非晶合金变压器的铁损(即空载损耗)要比一般采用硅钢作为铁芯的传统变压器低70-80%。由于损耗降低，发电需求亦随之下降，二氧化碳等温室气体排放亦相应减少。基于能源供应和环保的因素，非晶合金变压器在中国和印度等大型发展中国家得到大量采用。以中印两国目前的用电量来计算，若於配电网全面采用非晶合金变压器的话，每年大约可节省25-30TWh发电量，以及减少2至3千万吨二氧化碳排放。 (zh)
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| - Amorfní transformátor (Amorphous Metal Distributin Transformer) je druh VN transformátoru, který se nachází v distribučních sítích. Na rozdíl od klasických transformátorů, které mají magnetické jádro složené z orientovaných (anizotropních) plechů, mají amorfní transformátory magnetický obvod složený z amorfních (izotropních) plechů (kovů). Amorfní transformátory se vyznačují nákladnější výrobou, avšak nesmírné pozitivum jsou nižší ztráty, malý environmentální dopad na okolí a dlouhodobě nižší náklady na provoz transformátoru. (cs)
- An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. The magnetic core of this transformer is made with a ferromagnetic amorphous metal.The typical material (Metglas) is an alloy of iron with boron, silicon, and phosphorus in the form of thin (e.g. 25 µm) foils rapidly cooled from melt. These materials have high magnetic susceptibility, very low coercivity and high electrical resistance. The high resistance and thin foils lead to low losses by eddy currents when subjected to alternating magnetic fields. On the downside amorphous alloys have a lower saturation induction and often a higher magnetostriction compared to conventional crystalline iron-silicon electrical steel. (en)
- アモルファス変圧器（アモルファスへんあつき）は、鉄芯に従来の珪素鋼板に代わりアモルファス金属を用いた変圧器。無負荷時の鉄損が少ないため、近年採用が増えつつある。 従来の珪素鋼板を使用する変圧器と比較して損失は少ないものの、大きく、重く、騒音がやや大きいという欠点も併せ持つ。 (ja)
- 非晶合金变压器(Amorphous Metal Transformer)是一种低损耗、高能效的。此类变压器以作为铁芯，由于该材料不具长程有序结构，其磁化及消磁均较一般磁性材料容易。因此，非晶合金变压器的铁损(即空载损耗)要比一般采用硅钢作为铁芯的传统变压器低70-80%。由于损耗降低，发电需求亦随之下降，二氧化碳等温室气体排放亦相应减少。基于能源供应和环保的因素，非晶合金变压器在中国和印度等大型发展中国家得到大量采用。以中印两国目前的用电量来计算，若於配电网全面采用非晶合金变压器的话，每年大约可节省25-30TWh发电量，以及减少2至3千万吨二氧化碳排放。 (zh)
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