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Automatic Voltage Controller
Automatic Voltage Controller
- Less power consumption and superior performance
- In-built protection for over load and short circuit
- Available in both single & three phase models up to 300 Kva
Technical Specification
| Rating | 1 KVA to 100 KVA Single Phase & 3 KVA to 2000 KVA Three Phase |
| Input Voltage Range | 1 Phase 170V - 270V / 140V - 280V and 110V - 280V |
| 3 Phase 300V - 460V, 240V - 480V and 190V - 460V | |
| Output Voltage Range | 1 Phase 220 / 230 / 240 +/- 1% 3 Phase 380 / 400 / 415 +/- 1% |
| Output Waveform | True to Input |
| Input Frequency | 47 - 53 Hz |
| Response Time | 10 m. sec. |
| Correction Speed | As per IS 9815 |
| Correction Methods | Step less Correction Using Variac & Buck Boost Transformer |
| Cooling Natural | Air / Oil |
| Efficiency | Better Than 95 % |
| Control Circuit | Fully Automatic IC Based Solid State for easy on Line Serviceability |
| Duty Cycle | 100% |
| Operation | Auto / Manual |
| No Load Loss | Less than 1% |
| Compatibility to DG Set | Specially Designed for faithful operation on Mains as well as DG Set |
| Suitability | Suitable for 3 phase Unbalanced/Balanced Supply & Loads |
Optional Features
- High & Low Voltage Cut-off System
- Over Load And Short Circuit Protection
- Single Phase Prevention System
- Phase Sequence change protection
- Change over switch to By-Pass the system
- Earth Fault Protection
- Surge & RS Suppression System
- 110 Volts Output for Special Equipment
key Advantages
- Less power consumption
- 98% efficiency
- Available in both Single & Three Phase models up to 300 Kva
- Excellent performance
- Digital output facility
- Low maintenance cost
- Provides protection against voltage fluctuation
Area Of Application
- CNC Machines
- Air conditioning package units & plants
- Textile Machines
- Printing Machines
- Photo Copiers
- Medical Equipment
- Lifts & Elevators
- Electronic Instruments
- Domestic Load
- Machines with Sensitive Microprocessor
High Voltage:
| Voltage Variation | % Reduction possible in breakdown of Electrical Equipments with AVC | % Power saving possible with AVC | ||
| Motor Below 10 HP | Lighting Load | Motor Below 10 HP | Lighting Load | |
| 380-400 V | No Reduction and No AVC required | No Power saving and No AVC required | ||
| 400-420 V | 5.00% | 10.00% | 3.00% | 5.00% |
| 420-440 V | 10.00% | 20.00% | 5.00% | 10.00% |
| 440-460 V | 20.00% | 40.00% | 7.00% | 20.00% |
| 460-480 V | 40.00% | 80.00% | 10.00% | 30.00% |
Comparison of Automatic Voltage Controller
| Linear Regulator with rolling Contact carbon roller assembly | Dimmer Regulator sliding contact carbon Brush assembly |
| Power Consumption is below 0.5 to 1.5% Depending upon the input voltage range. Suitable for 100% duty cycle Life at full load is more than 15 years Five years guarantee | Power Consumption is above 2 to 7% Depending upon the input voltage range. Suitable for less than 50% duty cycle Life at full load is less than 3 years One Year Guarantee |
