convergence transformator

例句：

1. 1. The convergence transformer is used to reduce the amount of energy that needs to be transmitted.
   收敛变换器用于减少需要传输的能量量。
2. 2. The convergence transformer was designed to improve the efficiency of the transmission system.
   收敛变换器被设计用来提高传输系统的效率。
3. 3. The convergence transformer was used in the power grid to balance the voltages at different points.
   收敛变换器被用于电网中以平衡不同点上的电压。