The power factor is an important technical data in the power system. A low power factor of airborne equipment will lead to increased reactive power loss in the grid, resulting in a waste of aircraft power supply resources. In a distributed architecture, airborne equipment can adopt redundant power consumers to enhance its power supply reliability and stability. However, in this case, a single power consumer only bears half of the load of the entire airborne equipment, making it a major challenge to improve the power conversion efficiency and increase the power factor of a single power consumer. This paper studies the method of improving the power factor of redundant power supply equipment in a distributed architecture, aiming to ensure the reliability of both the power supply equipment and the airborne equipment while maximizing the power factor of the power supply equipment. This, in turn, enhances conversion efficiency and reduces line power supply losses. Experimental verification shows that the proposed improvement method is simple and effective. The power factor of the improved power consumer is significantly increased by approximately 10% or more, providing valuable reference for improving the power factor of other power consumers.