The Air Cooled Servo Stabilizer by Shakti Power Solutions Pvt Limited is expertly engineered to provide reliable voltage regulation for electrical and electronic equipment in environments with frequent voltage fluctuations. With a wide capacity range of 3-3500 KVA and multiple input voltage ranges (295V-465V, 340V-480V, and 360V-460V), this digitally-controlled microcontroller-based stabilizer ensures optimal performance by maintaining consistent voltage output within specified limits. Featuring both manual and automatic reset options with programmable time delay, and operating efficiently within 0-45°C ambient temperature, it suits various industrial and commercial applications such as CNC machines, textile mills, cold storage units, medical imaging devices, and more. The stabilizer boasts true RMS sensing technology, eliminates the need for a control transformer, and is fully compatible with generators. It offers precise control via a front-panel keypad enabling parameter adjustments including voltage bands and cut-off settings. Robust and tested over 30 years, this oil-cooled unit maintains equipment safety against voltage surges, with motor-driven opto-isolated control for durability and accuracy. Available in both indoor and outdoor models, it supports manual and auto-start, overload protection, and multiple delay time settings empowering users to tailor its function to specific operational demands.
Key Features
| Features | Description |
|---|---|
| Capacity Range | 3-3500 KVA |
| Input Voltage Range | 295 V-465 V, 340 V-480 V, 360 V-460 V (Three selectable ranges) |
| Input Frequency | 47-53 Hz |
| Control Type | Digital Microcontroller based |
| Reset Type | Manual / Auto Reset with programmable time delay |
| Operating Temperature | 0-45°C |
| Voltage Adjustment | Front panel keypad for input/output voltage band and sensitivity adjustment |
| Protection Features | Output over/under voltage cut-off, input over/under voltage cut-off, overload cut-off |
| Start/Stop Facility | Manual and auto start, output start and stop features |
| Sensing Technology | True RMS sensing without control transformer |
| Generator Compatibility | Supports generator input |
| Isolation | Opto-isolated motor driven control |
| Model Availability | Indoor and Outdoor options |
| Attributes | Description |
|---|---|
| Capacity | 3-3500 KVA |
| Input Voltage Range AA | 295 V - 465 V |
| Input Voltage Range BB | 340 V - 480 V |
| Input Voltage Range CC | 360 V - 460 V |
| Input Frequency | 47-53 Hz |
| Control System | Digital microcontroller based |
| Reset Mode | Manual and Auto with programmable delay |
| Operating Temperature Range | 0-45 °C |
| Voltage Adjustment | Front keypad adjustable input/output voltage bands and sensitivity |
| Cut-off Features | Output over/under voltage, input over/under voltage, overload protection |
| Start/Stop | Manual and auto start with output control |
| Sensing | True RMS sensing without control transformer |
| Motor Control | Opto-isolated motor driven |
| Model Type | Indoor and outdoor |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
It supports three input voltage ranges: 295 V - 465 V, 340 V - 480 V, and 360 V - 460 V, selectable based on application requirements.
Yes, it is fully compatible with generator inputs, making it versatile for various power supply setups.
Voltage parameters including input/output bands and sensitivities are digitally controlled and adjusted via a front panel keypad using a microcontroller system.
The stabilizer includes output over/under voltage cut-off, input over/under voltage cut-off, and overload cut-off protections.
Yes, both indoor and outdoor models are available to suit different installation environments.
Brand: shakti power solutions
Country Of Origin: India
Air Cooled Servo Stabilizer is an industrial-grade voltage regulation unit that utilizes forced-air cooling to maintain the operating temperatures of the servo mechanism and transformer. Utilizing high-flow axial fans and filtered intake pathways, the unit provides stable ±1% voltage correction for single or three-phase loads without the requirement for oil handling or containment. The unit architecture includes front-access service panels and modular control electronics, ensuring accessibility for routine maintenance in commercial equipment rooms and technical spaces. Units are prepared for consolidated shipments on skids with protective covers and include factory inspection records and test certificates. Supply-readiness is managed through rigorous functional testing, addressing the procurement requirements of institutional facility managers seeking reliable voltage regulation for IT racks and light industrial processes where oil-immersed units are impractical.
The technical framework of the Air Cooled Servo Stabilizer utilize a precision-wound autotransformer and a high-speed servo motor housed in a ventilated steel enclosure. The structural reasoning for forced-air cooling is to provide high thermal dissipation for the copper windings without the environmental and maintenance overhead of mineral oil. The internal layout segregates the power transformer from the control electronics into dedicated compartments, reducing electromagnetic interference (EMI) and localized heat coupling. This isolation is critical; a failure to shield the control PCB from transformer heat results in "gain drift," where the regulation accuracy degrades as the unit reaches operating temperature. The unit utilizes axial fans mounted on vibration-isolated brackets to limit the transmission of mechanical noise to the envelope. Quality consistency is managed through serialized test reports that record the unit's regulation latency and winding temperature rise under full load. Failure to maintain adequate airflow through the chassis—due to clogged filters or fan failure—leads to thermal derating, where the unit must reduce output to prevent insulation breakdown in the transformer core.
Operational efficiency is achieved through the use of a microprocessor-based regulator that implements a PID algorithm to control the carbon brush movement. This ensures a smooth correctional response without the "overshoot" that can occur in legacy analog regulators. In real operational scenarios, an overshooting regulator can momentarily subject sensitive IT equipment to overvoltage transients, potentially triggering power supply unit (PSU) failures. The air-cooled design is specifically suited for commercial facilities and equipment rooms where oil management is restricted due to fire codes or environmental policies. If the fans fail, the integrated thermal sensors trigger an over-temperature relay to disconnect the load, preventing the "smoldering" of windings—a failure mode that causes expensive downtime. The unit supports automatic phase sensing and correction, ensuring a balanced three-phase supply even when the input neutral is unstable. By maintaining a stable output voltage, the stabilizer improves the efficiency of connected motors and electronic loads, reducing reactive power losses and preventing localized heating in branch circuit conductors.
Suitable for commercial complexes, laboratory suites, and industrial control rooms, the Air Cooled Servo Stabilizer is configured for the logistical requirements of project-scale procurement. Units are crated on pallets with protective panel covers and internal bracing to protect the sensitive mechanical linkages during multimodal transit. Failure to implement mechanical stabilization in shipping results in "brush bounce" and potential damage to the transformer commutator surface. For international procurement, supply-readiness is supported through serialized factory test certificates and inspection reports that facilitate customs clearance and site acceptance testing. Export-ready documentation include wiring diagrams, commissioning checklists, and material declarations provided with each consignment. Packaging utilize humidity-control liners to prevent moisture migration into the control cabinet during sea freight. OEM finishing options are available for integrators requiring private-label branding and custom connector layouts. This high-authority approach ensures the procurement team receives verified, deployment-ready hardware that meets the environmental and safety performance standards required for international infrastructure projects.
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Amritsar , India
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