calculation method of short-circuit current

例句：

1. 1.The circuit was short-circuiteddue to a loose connection.
   由于连接松动，电路发生了短路。
2. 2. Short-circuits can lead to dangerous situations if nothandled properly.
   如果不妥善处理，短路可能会导致危险的情况。
3. 3. Inelectrical engineering, understanding the principlesof short-circuit current iscrucial for troubleshooting and maintenance.
   在电气工程中，理解短路电流的原理对于故障排查和维修至关重要。