过电流保护装置在电力系统是必不可少的，限制了威胁人类生命和财产损失。
Overcurrent protection devices are essential in electrical systems to limit threats to human life and property damage.
为了限制逆变器桥臂直通短路时故障电流的上升率，可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
电气设备和载流导体的选择、继电保护、自动装置的整定、限制短路电流措施的确定都需进行短路电流的计算。
The short circuit current calculation is required for choosing equipment and current carrying conductor, setting of the rely and automation, confirmation of the short circuit current limiting method.
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