Analysis of Transport Loss Characteristics Based on Simplified Model of Stacked Superconducting Tapes

Transport loss of stacked high-temperature superconducting tapes is an important factor affecting their working performance, so it has always been an important research content of superconducting technology. However, the current simulation model for stacked superconducting tapes is slow and time-consuming when there are more stacked layers, which seriously affects the research process. In this paper, the homogenization model and simplified model of stacked superconducting tapes are built and compared with the original model, and the results show that the two models can both greatly improve the simulation speed and obtain the correct AC loss value, which proves their accuracy and reliability. Subsequently, the transport loss characteristics of superconducting tapes under different stacked conditions are simulated and analyzed using the simplified model. The results show that the transport loss of stacked superconducting tapes is positively correlated with the number of layers and negatively correlated with the stacked spacing.