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SINGLE PHASE Β· 230 V OUTPUT
5β25 kVA air-cooled models
Capacities 5 Β· 7.5 Β· 10 Β· 15 Β· 20 Β· 25 kVA
INPUT170β270 V
Single input range covering the standard supply variation for these capacities.
Single Phase & Three Phase
An air-cooled servo voltage stabilizer is an electrical device designed to regulate and stabilize the voltage supplied to various electrical and electronic equipment. It is particularly useful in environments where voltage fluctuations are common, such as in industrial settings, commercial establishments, and even residential spaces. This type of voltage stabilizer employs a servo motor and a buck-boost transformer to maintain a steady output voltage, protecting connected equipment from potential damage due to voltage variations.
Overall, the air-cooled servo voltage stabilizer plays a critical role in maintaining a consistent and safe power supply for various sensitive electronic and electrical equipment, preventing potential damage and ensuring optimal performance.
Select a phase and watch the SERVOLINK cabinet transform. Capacities, input ranges and output update with it.
Enter your appliances or total load and get an instant stabilizer capacity recommendation with a safe design margin.
A wider range is not automatically a better selection. The correct stabilizer must cover the measured minimum and maximum supply while remaining properly matched to the connected load.
Capacities 5 Β· 7.5 Β· 10 Β· 15 Β· 20 Β· 25 kVA
Single input range covering the standard supply variation for these capacities.
Capacities 10 Β· 15 Β· 20 Β· 30 Β· 40 Β· 50 kVA
Standard three-phase input range for this capacity range.
Cooling type on these models is AN (Air Natural). Final current rating and protection are confirmed against the selected capacity and connected load.
Follow the actual power pathβfrom the utility supply and electricity meter to automatic correction inside the SERVOLINK stabilizer, then onward as regulated power.
The meter records consumption; it does not regulate fluctuating voltage.
Controller β Servo motor β Variable autotransformer β Buck-boost transformer
The stabilizer continuously monitors the incoming voltage from the main power supply using a voltage sensing circuit.
The sensed input voltage is compared to a preset reference voltage. If it deviates from the reference, the control circuitry takes action.
The servo motor receives control signals from the control circuit. When input voltage varies, it adjusts the position of the buck-boost transformer.
The buck-boost transformer has multiple taps to increase or decrease output voltage β lowering it if input is high, raising it if input is low.
As the output voltage approaches the desired level, the feedback mechanism detects this and instructs the servo motor to stop adjusting.
Air-cooled stabilizers incorporate fans or other cooling mechanisms to dissipate heat, ensuring efficient performance over extended periods.
Purpose-built correction with the controls and protections required for everyday operation.
Microprocessor-controlled correction maintains stable output across the selected input range.
High/low voltage cut-off, overload, short-circuit and phase protection options.
Clear LED/LCD indication of input voltage, output voltage and operating status.
Designed for dependable indoor operation with capacity-appropriate air cooling.
Dry-type construction avoids transformer oil and simplifies routine upkeep.
Select phase, kVA, input range, protections and bypass for your application.
*Final performance, protection and construction specifications are confirmed in the approved technical offer for the selected rating and voltage range.
A reliable selection separates the load that runs continuously from the current demanded during starting or switching. This is especially important for motors, compressors, pumps, lifts, CNC machines and other equipment with changing load conditions.
Use the kVA sizing calculatorRecord minimum and maximum voltage under normal operating conditions, preferably at different times and while major loads are running.
For a known load, running kVA is based on kW divided by power factor. Mixed loads should be assessed by equipment type and operating sequence.
Running kVA = Connected kW Γ· Power FactorMotor starting current and simultaneous switching can temporarily demand far more than normal running current. This must be considered before selecting the next standard rating.
Apply a suitable design margin, then confirm input range, operating hours, ambient conditions, protection and future expansion with the approved technical offer.
Air-cooled servo voltage stabilizers find applications in various sectors due to their ability to provide a stable power supply.
Check Your ApplicationThe right method depends on capacity, input range, operating hours, ambient temperature and load type. SERVOLINK evaluates these conditions before recommendation.
Get an engineer's recommendationCompare stabilizers, transformers and power-conditioning products for domestic, commercial and industrial applications.
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Explore rangeClear answers before you select your stabilizer.
It is an automatic voltage-regulation system using a controller, servo motor, variable autotransformer and buck-boost transformer to correct fluctuating supply voltage without transformer oil cooling.
Choose the configuration matching your incoming supply and equipment. Single-phase models are available from 3 to 30 kVA; three-phase models from 6 to 50 kVA.
Use actual minimum and maximum site-voltage readings. Our team recommends the correct range from recorded voltage and load details.
Selection depends on connected load, power factor, motor starting current, duty cycle and future expansion. High-inrush loads should be checked by our technical team.
No. The correct range is the one that covers the voltage actually recorded at site. Unnecessarily selecting the widest range can increase equipment size and cost without improving the connected load.
Yes, when the selected rating, voltage range, load profile, ventilation and ambient conditions match the approved design. Installation clearance around ventilation openings must be maintained.
Yes, but motor starting current, operating sequence and load variation must be considered during sizing. Running kVA alone may not be sufficient for high-inrush equipment.
No. The correction assembly uses air for cooling, avoiding an oil-filled cooling system and simplifying routine maintenance for suitable indoor applications.
Oil-cooled construction is generally preferred for higher capacities, heavy continuous loads, very wide correction ranges or demanding thermal conditions.
Yes. The final configuration can be selected around site voltage, supply phase, connected equipment, protection requirement and bypass preference, subject to engineering approval.
Share your supply phase, connected load and recorded voltage. Our team will recommend kVA, input range and protection.
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