过 压 保护 和电流截止负反馈等电路来提高运行可靠性。
The system adopted some over-current, over-voltage protection and current cut-off feedback circuits to improve systems reliability.
当电机负载过载或堵转时，采用电流截止负反馈环节可保护电机和驱动器；
Motor and inverter can be protected by the current cut-off negative feedback when motor is overload or locked-rotor.
采用数字信号处理器（DSP）控制器，设计了具有电压前馈和电流截止负反馈的转速闭环弱磁调速系统。
The speed adjusting system with field weakening with voltage feedforward, current closed negative feedback and speed closed loop was designed by adopting digital signal processor (DSP).
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