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Techno-economic Evaluation of Reduction of Low-voltage Bushings Diameter in Single-phase Distribution Transformers

机译:降低单相配电变压器低压套管直径的技术经济评价

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The contributions of this article are the analysis and economic evaluation of the impact on tank wall losses of a diameter reduction of low-voltage bushings of pole-mounted single-phase distribution transformers. Finite element simulations of 5-to 167-kVA transformers were performed. The study was motivated when bushing manufacturers reduced diameter from 4.6 to 3.6 cm. Results show that when the diameter of low-voltage bushings is reduced, (i) load losses increase and (ii) total owning cost decreases for transformers up to 15 kVA and increases for transformers of 25-167 kVA. The insertion of non-magnetic material between bushing holes is also evaluated.
机译:本文的贡献是对立式单相配电变压器的低压套管直径减小对罐壁损耗的影响进行分析和经济评估。对5至167 kVA变压器进行了有限元模拟。当套管制造商将直径从4.6厘米减小到3.6厘米时,便启动了该研究。结果表明,当减小低压套管的直径时,(i)负载损失增加,并且(ii)容量最高为15 kVA的变压器的总拥有成本降低,而容量为25-167 kVA的变压器的总拥有成本降低。还评估了非磁性材料在套管孔之间的插入。

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