一种隔离80kV大功率开关电源的设计  

Design of an Isolating 80 kV High-voltage High-power Switching Power Supply

作　　者：高阳[1] 黄懿赟[1] 王俊傢[1] 张健[1] 

机构地区：[1]中科院等离子体物理研究所,安徽合肥230031

出　　处：《电力电子技术》2010年第4期31-32,35,共3页Power Electronics

摘　　要：介绍了一台隔离80 kV,响应速度3 ms,最大输出功率90 kW脉冲工作开关电源的设计。为满足电源快速性和输出纹波要求,对主电路的拓扑结构进行了优化。应用高频变压器隔离80kV高压,分析了高频变压器漏感与占空比损失之间的关系,提出了高频变压器的直流等效电路。实验证明该电源能够稳定工作,电源性能都能满足设计要求。The article presents the design and experimental results of a isolating 80kV high-voltage high-power switching powersupply.This power supply isolates DC80 kV voltage,responses lessthan 3 ms,and has the maximum output power of 90 kW.In order to meet the requirements of rapidresponse and smallripple,the main circuit topology is optimized.High-frequency transformer is used to isolate the DC 80 k Vhigh-voltage.After analyzing the relationship between the transformer leakage inductance and duty cycle loss,the transformer DC equivalentcircuit is given.Ex-periment shows that the power supply works stable with good performance.

关 键 词：开关电源 高压隔离 占空比损失 快速响应 

分 类 号：TN86[电子电信—信息与通信工程]