高压输配电线路低下限死区感应取能电源的研究

Research of high voltage transmission line induction power supply with low limit deadband

为解决高压智能电气设备供电问题,提出了一种高压输配电线路低下限死区感应取能电源设计方案。采用两种磁芯并行工作,根据电流范围选择不同的磁芯进行取能,分析了感应取能原理,研究了各参数之间的关系。结合Saber仿真软件进行建模分析,确定了磁芯尺寸和二次侧匝数,设计了后续电路并进行了实验测试。结果表明:该感应取能电源能够在3 A^1 000 A电流范围稳定供能,满足高压智能电气设备供电要求。

In order to solve the power supply of high voltage intelligent electrical equipment,the design of high voltage transmission line induction power supply with low limit deadband was introduced.Adopt two cores in parallel and choose different core to work according to the scope of current.The principle of the induction power supply was analyzed and the relationship between various parameters was studied.With the Saber simulation,the core size and turn number of the secondary winding were determined.The power circuit was designed and the experiment was done.Results show that the induction power supply can provide sable power be-tween three amperes to one thousand amperes and meet the requirement of high voltage electrical equipment power supply.