①, GB/T14549-93 [power quality - utility grid harmonics] standard.
②. GB/T15576-93 [General technical conditions of low-voltage reactive power static compensation device] standard.
③. GB/0229-1998 [Reactor] standard.
④. GB50227-1995 [Shunt capacitor device design specification] standard.
⑤. 0.4KV voltage side voltage distortion rate THDu5, harmonic current value is lower than the national standard GB/T14549-93 current in 0.38KV allowable current value.
6. Power factor 0.950.99 at its best,