Salient Features
The highly fluctuating A.C. Mains supply is a very common phenomenon in India and can damage electronic components like power supplies, drives, PLCs, controllers, etc. Their effects are widely felt in CNC, printing and textile machines as well as laboratory, data processing, medical & telecommunication equipment. Frequent breakdowns of such machines are costly to repair. This apart, the downtime and frequent interruptions in operation brings substantial loss of revenue.
What is a Servo Stabilizer?
The Servo Controlled Voltage Stabilizers (SCVS) use an advanced electronic servo-motor concept to control a motorized variable transformer. Because of the motorization, there is a small delay in voltage correction. However, output voltage accuracy is usually ± 1% with input voltage changes up to ± 50%. These machines are not affected unduly by power factor or frequency variations. This type of technology is extremely effective when considering large three phase applications, as it is able to maintain its accuracy of all three phases, both line to line and line to neutral, irrespective of input voltage balance and load balance at any power factor. They are also able to withstand large inrush currents, normally experienced with inductive loads.
- Air-Cooled or Oil-Cooled
- Single Phase Input & Single Phase Output
- Three Phase Input & Three Phase Output (Balanced Load)
- Three Phase Input & Three Phase Output (Unbalanced Load)
- Output voltage accuracy is usually ± 1% with input voltage changes up to ± 50%.
Technical Specifications
AIR COOLED & OIL COOLED TYPE OF SCVS:
KOLUMN Servo Controlled Voltage Stabilizers can be classified into Air Cooled Stabilizers and Oil Cooled Stabilizers.
While an air cooled stabilizer is generally used for areas with power capacities less than 50KVA, oil cooled stabilizer can be used for applications where more than 50KVA power is used.
Air cooled stabilizers are available in single phase and three phase models
Single phase air cooled stabilizers are available in different capacities as 1, 2, 3 4, 5, 6, 7.5, 10, 15, 20 and 25 KVA’s. Voltage range/working range for Single phase air cooled stabilizers are as given below:
7.5, 10, 15, 20 and 25 KVA’s. Voltage range/working range for Single phase air cooled stabilizers are as given below:
- 170 to 270 V
- 140 to 270 V
- 90 to 270 V
- 170 to 300 V
Input range
- 230 ± 1% V
- 230 ± 1% V
- 230 ± 1% V
- 230 ± 1% V
Output range
In special cases, we can also custom-build stabilizers as per your site requirement.
3-phase air cooled stabilizers are available in the following KVA capacities: 3, 6, 10,15, 20, 25, 30, 40, 45, 50, 60, 75, 100, 125 and 150. Voltage range/working range for 3-phase air cooled stabilizers given below:
- 360 to 460 V
- 340 to 465 V
- 295 to 465 V
- 240 to 465 V
- 155 to 465 V
- 295 to 520 V
Input range
- 400 ± 1% V
- 400 ± 1% V
- 400 ± 1% V
- 400 ± 1% V
- 400 ± 1% V
- 400 ± 1% V
Output range
* We can also manufacture custom-built stabilizers as per your site requirement.
Single-Phase Input & Single-Phase Output
This kind of servo stabilizer consists of an AC synchronous motor coupled with an Auto Transformer. Depending upon the input fluctuation, the servo motor adjusts the output of the Auto-transformer to provide a stabilized output. It’s suitable to be used where input supply & load output are single phase operated.
Three-Phase Input & Three-Phase Output [Balanced Load]
This kind of servo stabilizer consists of an AC synchronous motor coupled with three Auto Transformer using a shaft & compatible gears. Depending upon the input fluctuations, the servo motor adjusts the output of the Auto-transformer to provide a stabilized output. It’s suitable to be used where the input supply is three phase & output required at load is balanced in all three phases.
Three-Phase Input & Three-Phase Output [Unbalanced Load]
This kind of servo stabilizer consists of three independent AC synchronous motors coupled with three Auto Transformer using a shaft & compatible gears. Now depending upon the input fluctuation, the servo motors adjusts the output of the Auto-transformer to provide a stabilized output. It’s suitable to be used where the input supply is three phase & load is unbalanced in all the phases.
APPLICATIONS OF KOLUMN SCVS:-
- Medical Equipments
- Industrial Loads
- Lighting Load Applications
- Air Conditioning Plants
- Three Phase Motor Applications
- NC & CNC Machines
- Offset Printing Press
- Escalators & Elevators
- Signaling Radars
- Telecommunication Equipments and Exchanges
- Laboratory Instruments
- Lathe Machines
- Lighting Loads
- Hotels & Restaurants
- Petrol Pumps
Servo controlled voltage stabilizers(SCVS)
- Air-Cooled or Oil-Cooled
- Single Phase Input & Single Phase Output
- Three Phase Input & Three Phase Output (Balanced Load)
- Three Phase Input & Three Phase Output (Unbalanced Load)
Isolation Transformer(IT)
- Power range: 2VA – 50KVA
- Increased dielectric strength
- Built-in thermal protection
- Static shield between primary and secondary
Transient Voltage Surge Suppressor (TVSS)
A surge suppressor (sometimes called a "surge protector") is a device inserted in the alternating current utility line and/or telephone line to prevent damage to electronic equipment from voltage "spikes" called transients.
Battery Rack
- For all UPS System Manufacturers;
- Battery Cabinets ready to be used for UPS Systems.
- MS Battery Racks or Battery Cabinets
- High Quality Components
- These save space and leads to time & cost savings for UPS System manufacturers.