通过计算短路点的短路电流，说明原电流互感器额定热稳定电流太小。
The short circuit current calculation shows the rated thermal stability current of former current mutual inductor is too small.
大负荷中心短路电流超标严重影响电网的安全稳定。
The short circuit current of large load center that excesses the regulation standard seriously endangers security and stability of power grid.
选用站用电系统设备时应满足短路时的动、热稳定，开断电流，开关上、下级的选择性等要求。
It should satisfy dynamic stability, thermal stability, switched-current and switch up-down selectivity in a short circuit while selecting the pumping station using electricity system equipments.
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