Differences between reactive power compensation SVG, SVC, MCR, TCR, and TSC

Differences Among SVG, SVC, MCR, TCR and TSC for Reactive Power Compensation
 
TSC: Thyristor‑Switched Capacitor. It uses passive components (capacitors) for reactive power compensation with stepped regulation and cannot achieve continuous adjustment.
 
TCR: Thyristor‑Controlled Reactor.
 
MCR: Magnetically‑Controlled Reactor. Similar to TCR, it needs to work with capacitor banks to realize dynamic reactive power compensation and enables continuous adjustment.
 
SVC: Static Var Compensator. It is a general term for reactive power compensation technologies adopting passive components, including TSC, TCR, etc. The word "static" is used in contrast to synchronous condensers. Generally, compensation devices controlled by thyristors are defined as "SVC".
 
SVG: Static Var Generator. It achieves reactive power compensation through power conversion technology. Its core distinction from other devices is that it can actively output reactive current to offset load‑side reactive current. In comparison, all the above‑mentioned devices adopt passive compensation, relying on the inherent characteristics of passive components to perform reactive power regulation.