多路输出隔离驱动电路及其在短路限流器中的应用  

Design of Separated Drive-circuit of Multi-channel Output and Its Application to Short Circuit Current Limiter

作　　者：金高先[1] 吕征宇[1] 

机构地区：[1]浙江大学电力电子国家专业实验室,浙江杭州310027

出　　处：《电源技术应用》2003年第12期61-64,共4页Power Supply Technologles and Applications

摘　　要：给出了一种新颖的多路输出隔离驱动电路,它利用分布式电流源供电方式,解决了多路隔离输出的困难,减少了变压器绕组匝数,提高了能量传输效率。驱动电路输出波形的上升沿大约为1μs,保证了晶闸管的快速导通,强触发宽度为100μs,保证触发的可靠性。A new separated drive-circuit of multi-channel output is presented.Distributed current source as power supply mode is adopted to solve the problem of multi-channel and separation output,to reduce the turn of transformer winding and to improve the power transmission efficiency.The driving pulse with front of 1μs.which is generated by drive-circuit developed here,is able to ensure fast turn-on of thyristor.Besides,the developed strung triggering pulse with width of 100 μs is to ensure the reliability of triggering circuit.

关 键 词：分布式供电 短路故障限流器 强触发 多路输出隔离驱动电路 

分 类 号：TM562[电气工程—电器]