| Fixed Capacitor | Automatic Power Factor Capacitor(APFC) | Thyristor Switched Capacitor(TCS)/RTPFC | Smart Hybrid Active Filter (SHAF) | Active Harmonic Filter ASTRA | |
|---|---|---|---|---|---|
| Technology | 100% Passive | 100% Passive | 100% Passive | Active & Passive | 100% Active |
| Types Of Technology | Capacitor With Series Reactor Fixed | Capacitor Switched Detuned Capacitor Banks | Thyristor Switched Detund Capacitor Banks | Combination Of Detuned Capacitor Bank along with smart ASTRA Active Filter | |
| Step Compensation/Smooth Stepless Compensation | Step Compensation | Step Compensation | Step Compensation | Smooth Stepless Compensation | Smooth Stepless Compensation |
| Harmonics Filtering Capability | Mostly Not Available | Mostly Not Available | Mostly Not Available | By Active Filter | By Active Filter |
| Unbalance Load Compensation | Mostly Not Available | Mostly Not Available | Mostly Not Available | By Active Filter | By Active Filter |
| Realtime Power Parameters Monitering mobile computers | Mostly Not Available | Mostly Not Available | Mostly Not Available | Available | Available |
| Realtime Panel Status monitering-Mobile/computers | Mostly Not Available | Mostly Not Available | Mostly Not Available | Available | Available |
| Parellel Resonance Link | High | High | High | No | No |
| Individual Harmonics Selection | Not Possible | Not Possible | Not Possible | Available | Available |
| Harmonics Compensation Capacity | Not Possible | Not Possible | Not Possible | 2nd to 61st order of harmonics | 3rd to 61st order of harmonics |
| Temperature Operating Capacity | Not Possible | Not Possible | Not Possible | Available | Available |
| Reaction time capacity | Slow | Slow | Faster than APFC | In mSec | Less than 1mSec |
| Acheiving Fine Correction of Power Factor | Not Possible | Not Possible | Not Possible | Yess because Stepless | Yess because Stepless |
| Capacitive Power Plant(CPP) application | No | No | No | Yes | Yes |
| Economical aspects | Very less | Less | Moderate | Moderate | High |
| Pre-mature failures indication | No | No | No | Yes | Yes |
| Life time because of frequent switching | High | Very less | Moderate | High | Very High |