蘭州重離子加速器高穩定度校正磁鐵開關電源

摘要：介紹一種用于加速器粒子束校正磁鐵勵磁的開關電源，該電源采用PWM控制，變換器采用雙晶體管正激式變換器，額定輸出為15A/15V，具有0-15A連續可調，1×10-3的高穩定度，紋波小，功率損耗小，多種保護功能配有計算機遠控接口。 敘詞：開關電源 ; 正激式; 校正磁鐵; 高穩定度 Abstract：The principle and parameters of switching power supply for correct magnet in HIRFL (Heavy Ion Research Facility in Lanzhou) is introduced. Its output rating is 15A/15V.It adopted PWM control method and two-transistor forward converter, which has high stability over 1´10-3, low current ripple, high efficiency and reliability. Keyword：Switching power supply；forward converter；Correct magnet；High stability