幾種實用的直流開關電源保護電路

摘要：本文主要從原理和實驗方面對直流開關電源進行了研究，根據其應用特點，闡述了各種保護電路的設計方法,提出了系統設計的原則和整機保護的措施，介紹了幾種實用的保護電路。 敘詞：開關電源；保護電路；軟啟動 Abstract： This paper has researched the direct current switching power supply from the principle and experiment mainly, according to its application characteristics, descript the design method of each kind of protection circuit. Proposed the system design principle and the entire machine protection measurement, introduced several kinds of practical protection circuits. Keyword：Switching power supply; Protecting circuit; Soft start