bucking circuit meaning in English

抵消电路

In this dissertation , a novel bidirectional dc / dc converter ' s topology was designed , witch used in vehicle power supply systems . the converter is composed of fundamental bidirectional switch cell , using phase - shifted full - bridge zvs pwm dc / dc converter in buck circuit and using push - pull boost converter in boost circuit
文中从双向dc dc变换基本单元入手，针对某大型车载电源系统设计了一种新型双向dc dc变换器拓扑电路，降压变换采用移相全桥式zvs ? pwm功率变换，升压变换采用推挽式dc dcboost功率变换。
Due to the deficiency of the typical zvt - pwm buck converter , the design of a new zvt - pwm buck converter is described in this paper . the experimental results and simulation results all approved the improvement measurements can improve the converter efficiency . in the end of the paper , a improved two - phases zvt - pwm buck circuit is brought forward base the same principle
设计了一新型zvt - pwmbuck变换器，并进行了实验和仿真验证，证实了所做的改进措施确实能够提高变换器的工作效率，验证了本文对辅助回路的损耗分析结果和所提出的参数优化的措施。