采用晶闸管相控电抗器（ TCR）的无源滤波器可以增大电源系统的容量，降低成本；
To use the passive powered filter with TCR can enlarge the capacity of power source system, and reduce its cost.
无电抗器在所有除了一个非常小的对本机背面变压器。
No chokes at all aside from one very small transformer towards the rear of the unit.
介绍了基于无气隙电抗器的路灯节电器的工作原理、设计参数和现场侧量数据。
The article introduced the working principle, design parameters and the data of locale measurement of the street lamp electric saving that based on the no gas gap reactance setting.
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