Wide-band high-accuracy loss prediction
Based on equivalent complex permeability and manufacturer data of Litz wire, this model enables efficient and accurate winding loss calculation from low to high frequencies, avoiding complex preprocessing.
Zhao, Zhigang · Limei, Wang · Tianyuan, Chen · Anqi, Zhao · Ziqi, Lu
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society 2024
In the frequency range of 20 Hz to 100 kHz, AC resistance is approximately equal to DC resistance, and the calculation error is negligible
The highest error occurs around 300 kHz, with a maximum of 10.07%
In the frequency range of 500 kHz to 1 MHz, the maximum error is 15.22%