To address the issues of system detuning and performance limitations in hybrid wireless power transfer (HC-WPT) systems caused by the low integration of coupling mechanisms, unclear electromagnetic interaction mechanisms, and distributed parasitic parameters, this paper proposes an equivalent circuit model and a resonant parameter configuration method considering interactive capacitors. First, a dual-channel integrated coupling mechanism combining planar coils and plates is designed. While ensuring a compact structure in finite element simulations, an equivalent circuit model considering eleven sets of interactive capacitors between the coils and plates is established using a lumped model. Subsequently, the influence of the dualchannel interactive coupling parameters on the input impedance characteristics of the system is revealed. On this basis, by combining the characteristics of the LCC-S topology in the magnetic-field channel and the double-sided LC topology in the electric-field channel, the expression for the resonant topology parameter configuration considering interactive capacitors is derived to achieve independent adjustment and efficient transmission of both channels. Finally, to verify the effectiveness of the proposed method, a simulation and a 1 kW experimental prototype platform are constructed, with the system operating frequencies set at 85 kHz/850 kHz. The simulation and experimental results indicate that if the interactive capacitors are ignored in the equivalent modeling, the system will experience significant frequency drift and detuning. However, by adopting the parameter configuration method proposed in this paper, the system successfully achieves zerophaseangle resonant operation. Experimental results further confirm that under the condition of simultaneous operation of two energy channels, the overall transmission efficiency can reach 87.5%, and the phase difference is less than 5° in the resonant operating state. The measured waveforms are in agreement with the theoretical analysis. Even when the receiver is laterally offset to 180 mm, the system can still maintain a transmission efficiency of over 82.3%, fully verifying the correctness and effectiveness of the equivalent circuit model of the eleven sets of interactive capacitors and the resonant configuration strategy in the hybrid energy transfer system.