When an one-point or multi-point earth fault occurs, the monitor can quickly detect the serial number and polarity of the branch circuit earthed, and meantime give alarm to the operator on site.
The potential energy of a unit charge at any point in an electric circuit measured with respect to a specified reference point in the circuit or to ground; voltage.
电势，电位相对于电路中某一特定参照点或地面的属于电路中任何一点的单位电荷势能；电压。
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The main research area is the structure optimization of floating-point adder, which is intent to minimize the delay of floating-point addition and optimize the circuit structure.