采用风力发电机驱动多台潜水螺杆电泵的系统，由于每台电泵是逐步接入系统的，因此该系统被称为分级接入式风电泵水系统。
We used a wind turbine drive some electric pump. For every pump is staged connected with the wind turbine, so the system be called the staged-connected wind-electric water pumping.
本发明有关一种PACA用户优先接入方法，包括：对用户进行分级；
A method for implementing priority access of PACA users includes: makes classification for users;
应用推荐