Influence of Multi-Parameter Variation on Wireless Power Transfer System Based on Double-sided LCC Compensation Network

Compensation network is an important part of the wireless power transfer (WPT) system, which compensates for the reactive power of the loosely coupled coils. However, many environmental factors can result in small changes to the compensation parameters of the WPT system, decreasing the transferred power and efficiency. To analyze the influence of parameter variation on transferred power and efficiency, a mathematical model of parameter variations on a double-sided LCC-compensated WPT system is established. A 1-kW IPT prototype is built and corresponding simulation and experimental verifications are conducted to verify the theoretical analysis.