【摘要】 利用单极性PWM桥式直流变换电路所具有电流脉动小的优点,结合微处理技术,应用在独立电源供电的直流励磁系统中,便于实现无触点化换向操作,且动作响应快速,更好的满足系统对励磁部分的要求。单极性;PWM;桥式直流变换电路;直流励磁更多还原

【Abstract】 Making use of the advantage of small current pulsation of monopole PWM bridge DC convert circuit,combining the technique of microprocessor,applying to separate power supply in DC excitation system,it’s convenient to implement the manipulation of non-contact-commutation,it has quick response and it can fulfil the requests of the system to excitation.更多还原