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90 kVA Oil Cooled Servo Voltage Stabilizer - 295V - 465V

GEESYS 90kVA automatic voltage stabilizer is a three phase servo stabilizer for industrial and commercial applications in Chennai, offering oil cooled performance, stable output, and reliable protection for factory and process equipment.

Product Details
Brand:	GEESYS	Type:	Oil Cooled Servo Voltage Stabilizer
Series:	DSP Oil Cooled Servo Stabilizer	Dispatch:	Between 10-15 Days
Model:	GOCSVS-90-295465	Price:	INR 19000/-*

GEESYS Oil Cooled Servo Voltage Stabilizers are engineered to deliver precise voltage regulation, high efficiency, and long-term reliability for industrial, commercial, and critical applications across India. Designed with advanced Digital Signal Processor (DSP)-based control technology, these stabilizers ensure consistent output voltage even under extreme input fluctuations.

Our oil cooled servo stabilizers are three-phase, servo motor-controlled systems that maintain a stable output voltage by continuously correcting fluctuations through a buck-boost transformer mechanism. Each phase operates independently, making the system highly effective for unbalanced load conditions commonly found in industrial environments.

The stabilizer uses a single motherboard DSP controller for intelligent monitoring, fault protection, high-speed correction, and service-friendly diagnostics.

Key Features & Benefits

DSP-based single motherboard PCB for intelligent control
Stores 100 error logs with Real-Time Clock (RTC)
Output maintained at 400V with +/-1% or +/-2% accuracy
True RMS sensing for accurate voltage correction
Over voltage, under voltage, overload, short circuit, phase failure, and phase reversal protection
3-stage intelligent tripping with adjustable delay for low voltage, high voltage, and overload current
Oil-cooled system with multiple radiators for efficient cooling
Steel fabricated, leak-proof oil tank with natural air ventilation and double side louvers
Busbar-based design with aluminium wound series transformer and copper wound auto transformer
Oil level indicator, drain plug, filling cap, heavy-duty wheels, and lifting hooks
Built-in manual bypass system for uninterrupted power during maintenance or faults

General Technical Specification (GTP)

Product Type	Servo Controlled Voltage Stabilizer
Cooling Type	Oil Cooled
Phase	3 Phase, 4 Wire
Capacity	90 kVA
Input Voltage Range	295V - 465V
Available Input Ranges	295V - 465V / 340V - 480V / 360V - 460V
Output Voltage	400V
Output Accuracy	+/-1% / +/-2%
Frequency	50 Hz
Efficiency	Greater than 95%
Technology	Servo Motor + Buck-Boost Transformer
Controller	DSP-based single motherboard PCB with RTC and 100 error logs
Correction Speed	>= 35 V/sec
Waveform Distortion	Nil
Response Time	Less than 10 ms
Mounting	Floor Mounted
Enclosure	Powder Coated, Ventilated, Oil Tank with Radiators
Ambient Temperature	0 deg C to 50 deg C
Manual Bypass	Built-in manual bypass system
Standards	IS / IEC Compliant

Applications

Manufacturing industries
CNC machines and automation systems
Textile and printing units
Hospitals and medical equipment
Commercial complexes
IT infrastructure and data centers
Solar power systems
Process plants and heavy machinery

90 kVA Oil Cooled Servo Stabilizer

Capacity	90 kVA
Input Voltage Range	295V - 465V
Output Voltage	400V
Accuracy	+/-1% / +/-2%
Application	Industrial
Ordering Code	GOCSVS-90-295465
Oil Quantity Requirement	Approx. 90 litres

Why Choose This Model?

Designed for handling wide voltage fluctuations
Suitable for heavy load industrial equipment
Ensures stable output for sensitive machinery
Manual bypass supports uninterrupted power during maintenance or fault conditions

Oil Requirement: Approx. 90 litres. Oil cost extra as applicable.

Downloads

Contact GEESYS for product datasheet, GA drawing, installation and wiring manual, and test certificate for 90 kVA Oil Cooled Automatic Servo Voltage Stabilizer.

Catalogue	Format	Size	Date
Servo Controlled Voltage Stabilizer(3KVA-1000KVA)	PDF	2.1MB	21Jun2019
Catalogue	Format	Size	Date
RESIDENTIAL SYSTEM Model	PDF	2.1MB	21Jun2019
Test Report
ETDC - Servo Stabilizer Report	PDF	168KB	10JAN2025
User Guide
Warranty Terms & Conditions	PDF	326.2kB	21Jun2019

FAQs

1. What is a servo voltage stabilizer?

A servo voltage stabilizer is an automatic voltage correction system that maintains a steady output voltage for connected equipment when the incoming supply fluctuates.

2. How does a servo voltage stabilizer work?

It senses input voltage changes and corrects the output through a control circuit, motor-driven variac, and buck-boost transformer arrangement.

3. Why is a servo stabilizer used?

It protects motors, electronics, compressors, lifts, and industrial equipment from under-voltage, over-voltage, and unstable mains conditions.

4. Where are servo stabilizers commonly used?

They are commonly used in factories, hospitals, commercial buildings, CNC applications, lifts, printing units, data-sensitive installations, and selected residential loads.

5. What is the difference between servo and static stabilizers?

Servo stabilizers use electromechanical correction for high-capacity and rugged applications, while static stabilizers use solid-state electronics for faster correction in specific use cases.

6. How do I select the right servo stabilizer rating?

Selection depends on load kVA, single-phase or three-phase requirement, input voltage range, output accuracy needed, load type, and installation environment.

7. What input voltage range can a servo stabilizer handle?

The supported input range depends on the model and configuration. GEESYS offers different correction ranges based on site voltage conditions and load requirements.

8. Does a servo stabilizer require maintenance?

Yes. Periodic checks for mechanical movement, electrical connections, carbon brush condition, and overall enclosure cleanliness help maintain reliable long-term performance.

9. Can a servo stabilizer help protect against voltage spikes and surges?

It helps control abnormal voltage conditions, and surge protection can also be integrated or recommended depending on the installation risk profile.

10. Can GEESYS recommend the right servo stabilizer for my load?

Yes. Share your load details, phase type, input voltage condition, application, and site environment, and GEESYS can suggest a suitable servo stabilizer configuration.

90 kVA Oil Cooled Automatic Servo Voltage Stabilizer by GEESYS

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90 kVA Oil Cooled Automatic Servo Voltage Stabilizer

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