Description
Applications
- CNC, VMC Machines
- Industrial applications
- IT applications
- Automobiles equipments
- Air-conditioners
- Elevators
- Construction devices
- Household appliances
- Lightning purposes
- Metal-processing equipment
- Medical equipment
- Television sets
- Textile industry
Benefits of Three-Phase Air-Cooled Servo Controlled Voltage Stabilizers:
- Economical
- Available in assorted sizes
- Enable higher capacities
- Highly efficient
- Assure stable output under severe unbalanced conditions
Best Protection
These units are the best assurance for many protections including –
- Single Phasing Prevention
- Output Electronic Overload Protections
- Phase Reversal Protection
- Input Short Circuit Protection with MCB
- Input Overload Protection with MCB
- Output Low Voltage Protection
- Output High Voltage Protection
- Audio Alarm for Protections
- Surge Suppressor Protection
- Bypass/Change over switch Protection
Indications
Our units are disposed of with certain indications to enable a better outlook for the users. These include-
- Mains Input on 3 LED Indications
- 3-Phase Output on Indication
- Phase Reversal Indication
- Overload Indication
Indications in LCD Display
Our units are enhanced with indications in LCD Display for visual appeal. These include –
- Input High and Input Low
- Output on Indication
- Output High Cut-off and Output Low Cut-off
Programmable Parameters
- Output Voltage Set (210-245V)
- Output Low Voltage Cut-off
- Output High Voltage Cut-off
- Input Low on LCD Display
- Input High on LCD Display
- Sensitivity/Regulation
- Overload Cut-off
- CT Full Scale
Programmable Control Timming
- Overload Cut-off Time
- Auto Restart Time
- On and Off Delay Time
Programmable Controls
- Display Scrolling – Auto / Manual
- Start / Stop Buttons
- Menu / Start / Stop / Reset / Log Button
- Data Log: Last 100 fault events log with Date and Time stamp and works on FIFO basis.
- Very important for CSD
- Analysis Problems
Input Voltage Range | 300-460V / 340-480V / 360-460V AC 3Ph |
Output Voltage (3-Phase) | 415V AC |
Connections | Star |
Operating Frequency | 47 to 53 Hz |
Output Voltage Adjustable | 380V to 415V AC in 3-Phase |
Output Voltage Regulation | +1% (No Load) |
Output Voltage Regulation | +1% (Full Load) |
Overload Capacity | 120% |
Correction Rate | 60 / 30 / 25V per sec – 3 phase |
Waveform Distortion | Nil |
Output Waveform | True Reproduction of Input |
Insulation | Class F |
Short Circuit Period and Percentage | 300% for 250 milli sec |
Normal Operation Temperature | 0°C to 45°C |
Climate Conditions | 90% Rh Max. Non-Condensing at 35°C |
Type of Cooling | Natural Air-Cooled up to 600kVA |
Mode of System | Fully Automatic |
System Construction | As per IS: 9815 – 1994 |
Salient Features
Here are the specific salient features of our Three-phase Air-cooled Servo Controlled Voltage Stabilizer.
- Quick response time of 10 milli sec (half a cycle)
- Very high efficiency above 99%
- Excellent regulation as high as +/- 0.5%
- “Micro-controller” controlled system
- Wide input range of operations and high speed of correction
Metering on LCD Display
- 3 ph Input voltage ph to ph and ph to Neutral
- 3 ph Output voltage ph to ph and ph to Neutral
- System Frequency
- Output Current on each ph