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THREE PHASE OIL COOLED (BELOW 1000 KVA)

Three Phase Oil Cooled Servo Voltage Stabilizer

Three Phase Oil Cooled Servo Voltage Stabilizer Below 1000 KVA for Industrial & Commercial Voltage Regulation

Three Phase Oil Cooled Servo Voltage Stabilizer below 1000 KVA is designed for automatic correction of fluctuating three-phase mains voltage in demanding industrial and commercial environments. The system combines servo-controlled voltage correction, oil-cooled construction, coordinated three-phase sensing, wide input-voltage capability and genset-compatible electronic control.

Below 1000 KVA range Oil-cooled construction Three-phase servo correction
SERVO STABILIZER OIL COOLED
R Y B 3-PHASE CONTROL
SERVO
CONTROL
OIL
COOLED
FAST
RESPONSE
THREE-PHASE POWER VOLTAGE STABILIZER
Conceptual illustration — three-phase oil-cooled servo voltage stabilizer
<1000 KVA Oil-cooled stabilizer range
3 Phase Sensing & correction
<1000 KVA Product-family capacity
100 KVA Built-in bypass up to
1 PCB Three-phase control
Three Phase Oil Cooled Servo Voltage Stabilizer Overview

Servo-Controlled Voltage Regulation Below 1000 KVA

Three Phase Oil Cooled Servo Voltage Stabilizer below 1000 KVA continuously monitors incoming three-phase voltage and automatically corrects fluctuations before regulated power reaches the connected load.

The product uses servo-controlled technology with a variable-speed high-torque DC motor. Motor movement is proportional to the detected voltage deviation, allowing correction to follow changing mains conditions.

Oil-cooled construction provides a robust thermal architecture for this higher-capacity voltage stabilizer category and distinguishes the range from the corresponding air-cooled designs.

A single PCB coordinates three-phase sensing and voltage correction, helping simplify the control architecture and maintain coordinated regulation of the incoming supply.

Proportional control is designed to minimise overshoot, undershoot, oscillations and repeated hunting when input voltage varies.

The motor-drive system incorporates optoisolator circuitry for electrical separation between control and drive functions, together with a separate isolated PCB for triac motor switching.

Special electronic circuitry supports operation with compatible genset supplies, allowing the stabilizer to regulate voltage when the installation changes between normal utility power and generator operation.

Audible alarm indication is provided for applicable trip conditions. Built-in bypass is specified for models up to 100 KVA, while higher ratings below 1000 KVA should be checked for the applicable bypass arrangement.

Three Phase Oil Cooled Servo Voltage Stabilizer Features

High-Capacity Voltage Regulation with Fast Servo Correction

The stabilizer combines an oil-cooled power section with electronic three-phase sensing and proportional servo correction.

High Efficiency & Fast Response

The servo control system responds quickly to voltage fluctuations while maintaining efficient electrical operation.

Oil-Cooled Construction

Oil-cooled architecture provides the thermal management format used for this below-1000 KVA three-phase stabilizer range.

Three-Phase Sensing & Correction

A single control PCB coordinates three-phase voltage sensing and correction functions.

Anti-Hunting Servo Control

Proportional correction helps minimise oscillation, hunting, overshoot and undershoot during repeated voltage variation.

Genset-Compatible Circuitry

Special electronic circuitry enables voltage regulation with compatible generator-powered electrical systems.

Isolated Motor Drive

Optoisolator-based motor control and isolated triac switching separate sensitive control functions from the motor-drive stage.

3Φ INPUT R • Y • B
SENSING PCB Voltage Error
SERVO DRIVE Correction
OUTPUT Regulated 3Φ
TRANSFORMER / POWER SECTION OIL COOLING
FAST RESPONSE ANTI-HUNTING GENSET READY
Oil-Cooled Three-Phase Servo Correction Electronic three-phase sensing detects voltage deviation, the servo drive applies proportional correction and the oil-cooled power section supports the stabilizer’s thermal architecture. Conceptual illustration — three-phase sensing, servo correction and oil-cooled power path
Oil-Cooled Servo Stabilizer Technology

Proportional Servo Control for High-Capacity Three-Phase Loads

The Three Phase Oil Cooled Servo Voltage Stabilizer combines electronic voltage sensing, a servo-driven correction mechanism and an oil-cooled power section for the below-1000 KVA product category.

  • Three-phase electronic sensing
  • Single PCB for three-phase correction
  • Variable-speed high-torque DC servo motor
  • Proportional voltage correction
  • Fast response to fluctuations
  • Anti-hunting control logic
  • Oil-cooled power section
  • Optoisolator motor-drive control
  • Separate isolated triac-switching PCB
  • Genset-compatible electronic circuitry
Three Phase Oil Cooled Servo Voltage Stabilizer Applications

Industrial and Commercial Three-Phase Voltage Regulation

Manufacturing Plants Voltage regulation for compatible machinery, production lines and industrial electrical equipment.
Process Industries Stable three-phase supply for compatible process, instrumentation and control loads.
Industrial Automation Regulated power for compatible PLC systems, automation panels, drives and control equipment.
Hospitals & Healthcare Voltage regulation for compatible facility and technical electrical systems.
Data Centres Three-phase voltage regulation for compatible critical-power and supporting facility loads.
Commercial Buildings Stabilised three-phase supply for compatible building electrical infrastructure.
Educational Institutions Voltage control for compatible laboratories, technical equipment and facility loads.
Infrastructure Projects Voltage regulation for selected infrastructure, engineering and utility applications.
Capacity, Cooling and Control Technology

Three Phase Oil Cooled Servo Voltage Stabilizer Technology

Exact voltage and kVA selections vary by configuration, while the product family is defined by three-phase servo regulation and oil-cooled construction.

Three Phase Oil Cooled Servo Voltage Stabilizer Below 1000 KVA Three Phase Oil Cooled Servo Controlled Automatic Voltage Regulation Fast Response Wide Input Range Three-Phase Sensing Single Control PCB Variable-Speed Servo Motor High-Torque DC Motor Proportional Correction Anti Hunting Audible Trip Alarm Bypass up to 100 KVA Genset Compatible Optoisolator Control Isolated Triac PCB Industrial Stabilizer Power Voltage Stabilizer
Oil-Cooled Servo Stabilizer Technical Information

Three Phase Oil Cooled Servo Voltage Stabilizer Specifications

Exact kVA capacity, input-voltage limits, output regulation, correction speed and dimensions depend on the selected configuration.

Product type
Automatic servo voltage stabilizer
Phase
Three phase
Cooling method
Oil cooled
Capacity category
Below 1000 KVA
Voltage-control principle
Electronic sensing with servo-controlled automatic voltage correction
Input-voltage range
Wide input-voltage range; exact values depend on selected configuration
Output
Regulated three-phase AC output; nominal voltage and tolerance are configuration dependent
Three-phase sensing
Single PCB for three-phase sensing and correction
Servo motor
Variable-speed high-torque DC servo motor
Correction method
Proportional correction according to magnitude and rate of voltage fluctuation
Control behaviour
Designed to minimise overshoot, undershoot, oscillation and hunting
Response
Fast voltage correction; exact response speed is configuration dependent
Trip indication
Audible alarm for applicable trip conditions
Built-in bypass
Specified for models up to 100 KVA; confirm bypass arrangement for higher ratings below 1000 KVA
Generator compatibility
Special electronic circuitry for operation with compatible genset supplies
Motor-drive control
Optoisolator-based drive-control circuitry
Triac switching
Separate isolated PCB for motor triac switching
Power-factor variation
Voltage correction is designed to operate across supported load power-factor conditions; unit sizing must still suit the connected load
Frequency variation
Designed for operation across permitted frequency variation within the selected model specification
Control-circuit literature
Product literature describes the control circuit as “99.99% failure proof”; this is a product-literature statement and not an independent reliability guarantee
Electronic architecture
Reduced active-component control design
Typical applications
Manufacturing plants, hospitals, commercial buildings, data centres, educational institutions, process industries, infrastructure projects, engineering facilities, warehouses and industrial automation
Selection basis
Connected kVA load, starting current, input-voltage range, output tolerance, load characteristics, generator operation and protection requirements
Three Phase Oil Cooled Servo Voltage Stabilizer FAQs

Frequently Asked Questions About Three Phase Oil Cooled Servo Voltage Stabilizer

Key information about capacity, oil cooling, bypass provision and generator compatibility.

What is a Three Phase Oil Cooled Servo Voltage Stabilizer?

Three Phase Oil Cooled Servo Voltage Stabilizer automatically senses three-phase voltage variation and uses a servo-driven correction mechanism to provide regulated AC output.

What capacity does this oil-cooled stabilizer range cover?

This product family is categorised for three-phase oil-cooled servo stabilizer applications below 1000 KVA. The exact kVA rating should be selected according to the connected load.

Is a built-in bypass available below 1000 KVA?

The supplied product information specifically lists built-in bypass for models up to 100 KVA. The bypass arrangement for higher capacities should be confirmed for the selected model.

Can this oil-cooled servo stabilizer operate with a genset?

Yes. The product specification includes special electronic circuitry for operation with compatible generator supplies, subject to the selected stabilizer’s permitted input conditions.

Oil-Cooled Servo Stabilizer Architecture

Oil-Cooled Power Section, Control PCB and Servo Drive

Explore the stabilizer enclosure, three-phase control architecture and servo-driven voltage-correction system.

Three Phase Oil Cooled

Request Three Phase Oil Cooled Servo Voltage Stabilizer Product Information

Contact Intermax for Three Phase Oil Cooled Servo Voltage Stabilizer pricing, availability and product information.

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