Autotransformers with all windings in Y-connection result in a Peculiar Zero-Sequenceimpedance.
全星形自耦变压器结构特殊。造成零序阻抗的特殊性。
2
In the meanwhile it is pointed out that the quantity change of the parallel line and zero-sequenceimpedance must be retested.
同时还指出平行线路条数变化，零序阻抗均需重新测试。
3
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequenceimpedance is directly related to the earth conductivity.