In theory, the decrease of the vacuum magnetic insulation transmissionlineinductance can heighten the energy transmission efficiency, can increase the load current.
理论计算表明，改造真空磁绝缘传输线，减小其自身电感，会提高能量传输效率，能够增大负载电流。
2
Theoretically, the resistance, inductance and capacitance in per unit length, and the effective length of transmissionline cannot be obtained accurately.
理论上讲，输电线路单位长度的电阻、电感、电容以及输电线路的实际长度等参数都是无法精确获得的。
3
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.