Test results show that time duration and current operating value precision are less than 2%, and the functions of the protection device are reliable.

实验结果表明，动作时间及电流动作值精度在2%以内，保护装置运行稳定可靠。

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Test results show that time duration and current operating value precision are less than 2%, and the functions of the protection device are reliable.

实验结果表明，动作时间及电流动作值精度在2%以内，保护装置运行稳定可靠。

youdao