| SummaryTo reduce distorted of circuit vlitage wave form inserting as serial to Condenser-group or LV, HV, special HV phase advance capacitor, install serial reactor to prevent inrushing current when inserting condenser, refer to following item.1, Generation source of high frequency of electric power system 1) Rotating machine 2) Transformer3) Rectifier & Many kinds of converter load 4) Arc furnace & Many kinds of electric furnace load 5) Fluorescent lamp & TV appliance | 
