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Ren Z +5 more
europepmc +1 more source
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Li J +9 more
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Cheng Y, Lin YL, Tian MM.
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Wu JL +5 more
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Ma Y, Du Z, Wang J, Li X.
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Zhang C +8 more
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ロナイ ノ ネンショウ フクシャ デンネツ ト ソノ スウチ ヨソク ニ カンスル ケンキュウ [PDF]
Yoshimoto, Takamitu +2 more
core +1 more source
热点温度是直接影响电力电子变压器绝缘寿命的重要参数,为了合理指导电力电子变压器的环氧绝缘封装设计,文中构建了220 kW/30 kHz的电力电子变压器等效模型,基于流固耦合计算方法研究了环氧绝缘材料导热性能对变压器不同运行工况下的温度分布特性影响。研究表明,高、低压绕组同轴分布的电力电子变压器的热点温度主要位于距绕组底部约56%的高度处,且随负载系数的增大而逐渐升高;在短路情况下,高、低压绕组的热点温度分别以8、22 ℃/s速度上升;变压器的热点温度随环氧绝缘材料导热系数增大而显著降低 ...
赵玉顺 +5 more
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