为了超高压输电线路防雷计算的需要，建立了新的杆塔模型，即多波阻抗模型。
In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.
高压电缆的金属护套交叉互联导致行波在多个波阻抗不连续点产生了复杂的折反射行为，这对高压电缆线路的行波故障测距产生很大的影响。
The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.
高压电缆的金属护套交叉互联导致行波在多个波阻抗不连续点产生了复杂的折反射行为，这对高压电缆线路的行波故障测距产生很大的影响。
The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.
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