then discuss the power drive circuit and the logic control circuit in detail.
并详细介绍了功率驱动电路及逻辑控制电路。
to control stepping motors, the balance bridge power drive circuit is made up by tda1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.
双回转机构的步进电机控制电路由tda1521音频集成功率放大器组成平衡桥式功率驱动电路,由计算机并行口经过锁存器构成脉沖分配器。
the realization of shift-phase pwm control with zero-voltage and high speed, large power drive circuit is emphatically solved.
重点解决了零电压开关的移相pwm控制策略的实现、高速大功率驱动电路的实现等几个难点问题。
the invention adopts high power drive circuit and high power high voltage transformer. the advantages of the invention are improving contact area and stabilizing measurement electric potential signal.
采用大功率驱动电 路与大功率高压变压器,本发明的优点是增加与钢水的接触面积,能稳定测量电势信号。