Description
Applications
- CNC & VMC Machines
- Industrial applications
- IT applications
- Automobile equipment
- Elevators
- Electrical Equipment
- Metal Processing Equipment
- Medical Equipment
- Motor Lab Equipment
Benefits of Three-Phase Oil-Cooled Servo-Controlled Voltage Stabilizers
Servomax Limited’s three-phase oil-cooled servo voltage stabilizers are beneficial because they are–
- Highly durable
- Affordable
- Able to withstand high capacities
- Capable of higher voltage stabilization
Protections
These units are specialized to offer the following protections.
- Single Phasing Prevention
- Output Electronic Overload Protection
- 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 Protections
- Bypass/Change over switch Protections
Indications
Servomax Limited introduces certain elegant indications like –
- Mains Input on 3 LED Indications
- 3-Phase Output on Indication
- Phase Reversal Indication
- Overload Indication
Indications in LCD Display
An LCD display is provided to the three-phase oil-cooled servo stabilizer units to indicate –
- 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
- 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 Timmings
- 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 OC 3Ph |
| Output Voltage (3-Phase) | 415V OC |
| System | Star |
| Operating Frequency | 47 to 53 Hz |
| Output Voltage Adjustable | 380V to 415V OC 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 | Oil-Cooled up to 5000kVA |
| Mode of System | Fully Automatic |
| System Construction | As per IS: 9815 – 1994 |
Our Servomax Limited’s three-phase oil-cooled servo-controlled stabilizers have specific features like –
- Instant response time 10 milli sec (half a cycle)
- Greater efficiency above 99%
- Best regulation as high as +/- 0.5%
- “Micro-controller” enabled controlled system
- Wider input range of operations and greater 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
