CAJ | 학술논문

针对开关电源系统对功率密度等级不断提高的要求，为进一步发挥交错并联技术的优势，本文以减小输出电流纹波和改善动态特性为目标，对大占空比条件下交错并联Buck电路中的耦合电感进行了详细分析和计算。通过软件仿真验证，得出了耦合系数和占空比对电路性能的具体影响，耦合系数的取值应尽量接近-1，从而为耦合电感的设计提供了理论依据。
침대개관전원계통대공솔밀도등급불단제고적요구，위진일보발휘교착병련기술적우세，본문이감소수출전류문파화개선동태특성위목표，대대점공비조건하교착병련Buck전로중적우합전감진행료상세분석화계산。통과연건방진험증，득출료우합계수화점공비대전로성능적구체영향，우합계수적취치응진량접근-1，종이위우합전감적설계제공료이론의거。
In order to solve the problem of power density in switching power supply and further develop the advantages of interleaving techniques, this paper carries out a detailed analysis and calculation on the coupled inductor of Interleaved Buck circuit with the target of reducing the output current ripple and improving the dynamic characteristics. By studying the principle of circuit and simulating in software, a conclusion on how to determine the coupling coefficient and the duty cycle of the specific impact on circuit performance is gotten, it is important that the value of the coupling coefficient is close to-1.