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author:

汪晶慧 (汪晶慧.) [1] (Scholars:汪晶慧) | 阳双婷 (阳双婷.) [2] | 陈为 (陈为.) [3] (Scholars:陈为)

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Abstract:

针对功率变换器中磁性元件磁心损耗难以精确量化的问题,建立了直流功率法测量系统,测量无/有直流偏磁的脉冲宽度调制(PWM)波激磁磁心损耗,并利用能精确测量的具有线性性质的空心电感损耗进行定标校验。利用量热法验证直流功率法测量系统的最大相对误差为6.59%,其可精确测量无/有直流偏磁的PWM波激磁磁心损耗。对无直流偏磁的PWM波激磁的磁滞回线进行详细分析,发现不对称PWM波激磁磁滞回线的激磁和去磁不对称,提出加权平均MSE模型预测无直流偏磁PWM波激磁的磁心损耗;详细分析频率、占空比、交流磁通密度和直流磁通密度对有直流偏磁PWM波激磁的磁心损耗的影响及其影响关系,提出预测有直流偏磁PWM波激磁的磁...

Keyword:

测量方法 直流偏磁 直流功率法 磁心损耗

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  • [ 1 ] 福州大学电气工程与自动化学院

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Source :

仪器仪表学报

ISSN: 0254-3087

CN: 11-2179/TH

Year: 2020

Issue: 03

Volume: 41

Page: 133-141

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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