This paper introduces the constant-currentsystem modification for energy conservation in Ningxia Qingtongxia Aluminum Group.
本文介绍了宁夏青铜峡铝业集团公司，不断改造电解直流稳流系统，达到节能增效的目的。
2
The currentsystem requires constant sustainment intervention to maintain operations and does not address the growing population of small and micro satellites in orbit.
目前系统需要不断操作干预以保持运作，并且没有解决日益增长的轨道上小型和微型卫星的数量。
3
The control system adopts current PWM control mode, and high quality energy feedback with constant power could be accomplished.