此时电压互感器的励磁阻抗和系统的对地电容形成非线性谐振电路。
At this moment, the excitation voltage transformer impedance and the system-to-ground capacitance come into being non-linear resonant circuit.
本文研究电力系统中电阻的非线性特征对谐振过电压的影响。
This paper studies the influence of nonlinear character resistance on resonant overvoltage in power systems.
同时，通过改变消弧线圈铁芯结构，解决了在零励磁情况下电感的非线性问题，减少了铁磁谐振对电网造成的危害；
The core structure of the arc suppression coil is improved to solve the nonlinearity of voltage with zero-excitation. The harm of ferro-resonance is thus reduced.
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