... shocking, to protect PT Brief introduction : LXQ(LXQ3,LXQ4) type harmonic elimination is used for neutral point ungrounded system, damping caused ... ensure the security of electricity supply system. LXQ(LXQ3,LXQ4) Harmonic Elimination, as the core of the nonlinear resistance with the ... 48Hz~62Hz3.The earthquake intensity does not exceed 8 degrees harmonic elimination damper LXQ3-6(10)