Electronic & Electrical

STATCOM Introduction?STATCOM, also called SVG(Static Var Generator), is a power factor controller, used to improve power factor through compensating reactive power dynamically and accurately, to replace traditional capacitor bank or work together with capacitors. Phenomena caused by power quality problems Power factor is too low Because the motor etc. inductive load have inductive reactive power, resulting in low power factor, may be fined by government.The neutral current is too large Due to the third harmonic current and multiple of third harmonic current all conduct through the neutral line, so the neutral line current exceeds cable specification, resulting in cable overheat and safety potential danger.Reactive power compensation capacitor failure Because of harmonic is easy to have resonance with reactive power compensation capacitor, resulting in excessive current on capacitor, causing capacitance value decrease, liquid leakage etc. phenomenon, therefore, reactive power compensation capacitor could not work properly, seriously cause equipment damage because of too large resonant current.The transformer& acute;s capacity waste Reactive power and harmonic increase total power of the user, resulting in the capacity of the transformer is occupiedThe trigger device protection The peak of voltage and current harmonics is very high, which may exceed the protection value of equipment, which leads to the relay protection.The screen light flashes, affect the normal work Inverters and other uncontrolled rectification equipments will generate high harmonics, resulting in electric lights, computer screen flicker, affecting normal work.The Precision instrument can& acute;t work normally Some precision instruments are very sensitive to voltage and current fluctuations, and the requirement to power quality is very high, poor power quality will make these precision instruments can not work properly. Customer benefit of improving power quality using STATCOM Reactive power compensation Redu