摘要
针对互感器炸裂事件暴露出的消谐装置通流能力不足问题,提出一种消谐装置结构参数调整方法。首先,分析消谐装置泄放谐振能量的机理,确定消谐阵列的行列比是提高通流能力的关键。其次,构建了基于VanderPol-Duffing方程的非线性动力学系统,分析了消谐装置电阻对铁磁谐振混沌状态的抑制作用,为确定消谐装置临界阻值提供基础。最后,提出了确定消谐阵列最佳行列比的方法和流程,通过10 kV系统的仿真模型和35 kV的实测系统,对比了参数调整前后的装置样机抑制谐振效果,结果表明调整参数后的消谐装置消谐速度更快、能量消纳能力更强,验证了方法的可行性。研究结果可以为初级消谐装置的能力提升提供设计参考。
In view of the insufficient flow capacity of the harmonic elimination device exposed by the transformer explosion event,a method for adjusting the structural parameters of the harmonic elimination device is proposed.Firstly,the mechanism of the harmonic elimination device discharging the resonant energy is analyzed,and the row column ratio of the harmonic elimination array is the key to improve the flow capacity.Secondly,a nonlinear dynamic system based on VanderPol-Duffing equation is constructed and the suppression effect of the resistance of the harmonic eliminator on the chaotic state of ferromagnetic resonance is analyzed which provides a basis for determining the critical resistance of the harmonic eliminator.Finally,the method and process of determining the optimal row column ratio of the harmonic elimination array are proposed.Through the simulation model of 10 kV system and the measured system of 35 kV,the resonance suppression effect of the device prototype before and after the parameter adjustment are compared.The results demonstrate that the harmonic elimination device after the parameter adjustment has faster harmonic elimination speed and stronger energy absorption ability which verifies the feasibility of the method.The research results can provide design reference for enhancing the capacity of the primary harmonic elimination device.
作者
何龙
索涛
王清彬
吴伟丽
HE Long;SUO Tao;WANG Qing-bin;WU Wei-li(State Grid Xinjiang Electric Power Co.,Ltd.,Changji Power Supply Company,Changji 831100,China;不详)
出处
《电力电子技术》
CSCD
北大核心
2022年第12期131-135,共5页
Power Electronics
基金
国家电网科技项目(SGXJCJ00KJJS2100582)
合肥市关键共性技术研发项目(2021GJ039)。
关键词
铁磁谐振
消谐装置
结构参数
ferromagnetic resonance
harmonic elimination device
structural parameters
作者简介
何龙(1988-),男,工程师,研究方向为电气设备故障诊断与在线监测。
