Experimental data shows us that the system has a perfect structure, because it adopts some means such as the dual protection of the over current signal and current cut-off feedback circuit, so the system has a good stability and reliability.

• 实验结果表明，系统结构完善，采用过流信号的双重保护和电流截止负反馈等措施后，使系统运行稳定，可靠性提高。