如图2 - 9所示，由于保护缓冲放大器具有典型值为104到106的开环增益，所以能够大大减少CSHUNT的充电时间。

As shown in Figure 2-9, the guard buffer significantly reduces the charging time of CSHUNT because of the open-loop gain (AGUARD), which is typically 104 to 106.

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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。

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

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超过堵转电流保护值所持续的时间。

The duration when over the protection value of the blocking current.

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