In the paper, the reduced single phase short-circuit current equation expressing as positive sequence impi dance only is showed.

文中还提出了低压系统中只用正序阻抗表达的单相短路电流的简化计算公式。

youdao

Currently in its soft launch phase, the wooden-decked dance area on the sand is cordoned off from the regular beach, while the zebra print low slung sofas and armchairs in the bar are comfortable and elegant.

BBC: Ibiza nights in the Middle East