SERVO CONTROLED AUTOMATIC VOLTAGE STABILISERS
STAMBH manufacture state of art Servo Voltage Stabiliser with or
without inbuilt Isolation Transformer. These AVR is used in wide range of application
for the protection of Medical Electronics equipments, Telecommunication equipments,
critical electronic equipments, CNC machines etc. These AVR provide complete protection
for these equipments by automatic correction of voltage and also can provided with
Current, Voltage Trip and Surge protection.
| S.No | Feature | Single Phase | Three Phase |
| 1 | Rating | 2 KVA to 100 KVA | 3 KVA to 300 KVA |
| 2 | Input Voltage range | 160-260V | 280-450V |
| 140-280V | 260-485V | ||
| 90-300V | 160-500V | ||
| or User Defined | or User Defined | ||
| 3 | Output Voltage | 230/240V±1% | 400/415V±1% |
| 4 | Line Frequency Variation | 47-53 Hz | 47-53 Hz |
| 5 | Power Factor Effect | None | None |
| 6 | Wave Form Distortion | None | None |
| 7 | Control | Digital | Digital |
| 8 | Response Time | 10µSec | 10µSec |
| 9 | Voltage Correction Rate | 20-30V/Sec | 20-30V/Sec |
| 10 | Cooling | Air Natural/Oil Cooled | Air Natural/Oil Cooled |
| 11 | Efficiency | >97% | >97% |
| 12 | Optional Features | Under/Over Voltage Trip | Under/Over Voltage Trip |
| Electronic Over Load & Short Circuit Trip | Electronic Over Load & Short Circuit Trip | ||
| Single Phase Protection | Single Phase Protection | ||
| Phase Reversal Protection | Phase Reversal Protection | ||
| Surge Protection | Surge Protection | ||
| Ultra Isolation. | Ultra Isolation. |