The 150 kVA Three Phase Voltage Stabilizer Transformer (AVR) is a high-performance industrial voltage regulation and power stabilization solution designed to provide continuous, accurate, and reliable voltage output for industrial and commercial power systems. By integrating an automatic voltage regulator (AVR) with a robust transformer structure, this system effectively compensates for voltage fluctuations, protects critical electrical equipment, and ensures long-term operational stability.
This three phase voltage stabilizer transformer is engineered for demanding power environments where grid instability, voltage drops, over-voltage, or load variation are common. It is widely deployed in factories, infrastructure projects, utilities, and commercial facilities requiring stable power supply, high efficiency, and minimal downtime.
150 kVA Voltage Stabilizer Transformer (AVR) Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 150 kVA |
| Type | Three Phase Voltage Stabilizer Transformer / Automatic Voltage Regulator (AVR) |
| Input Voltage | Three Phase 380 V / 400 V / 415 V (customizable) |
| Input Voltage Range | ±15% to ±25% (optional wider range) |
| Output Voltage Accuracy | ±1%–3% |
| Frequency | 50 / 60 Hz |
| Regulation Technology | Servo motor automatic voltage regulation |
| Response Time | ≤ 1 second |
| Efficiency | ≥ 98% |
| Cooling Method | Natural air cooling / forced air cooling (optional) |
| Insulation Class | Class F / Class H (optional) |
| Protection | Over-voltage, under-voltage, overload, short circuit |
| Enclosure | IP20 standard, IP21 / IP54 optional |
| Standards | IEC, CE, ISO (UL optional) |
Core Advantages & Performance Highlights
This 150 kVA AVR voltage stabilizer transformer delivers fast voltage correction and high regulation accuracy even under sudden load changes. The integrated transformer design minimizes electrical losses, improves system efficiency, and reduces installation complexity compared to traditional separated stabilizer and transformer solutions.
With industrial-grade components, copper windings, and precision control systems, the unit offers excellent thermal stability, long service life, and consistent performance in harsh operating conditions such as high temperature, dust, humidity, and continuous heavy load environments.
Industrial & Commercial Applications
The three phase voltage stabilizer transformer is widely used across multiple industries, including:
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Manufacturing plants and automated production lines
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Commercial buildings and business centers
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Data centers and communication facilities
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Hospitals and medical equipment systems
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Water treatment plants and pumping stations
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Mining, oil & gas, and energy infrastructure
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HVAC systems and large electromechanical loads
It is especially suitable for regions with unstable grids, long-distance power transmission, or frequent voltage fluctuation issues.
Manufacturing Quality & Testing Process
Each 150 kVA voltage stabilizer transformer (AVR) is manufactured using premium copper conductors, high-grade silicon steel cores, and industrial control components. The production process follows strict quality management standards, including incoming material inspection, assembly control, and multi-stage testing.
Every unit undergoes insulation resistance testing, voltage regulation accuracy testing, load testing, and full functional verification before shipment to ensure compliance with international electrical standards and long-term operational reliability.
Custom Power Solutions & Configuration Options
Customized solutions are available to meet specific project requirements. Available options include customized input/output voltage ranges, wider regulation ranges, enclosure design, protection levels, cooling systems, and control configurations. OEM and private-label branding services are also supported.
Multiple power ratings are available, including 30 kVA, 50 kVA, 60 kVA, 100 kVA, 150 kVA, 200 kVA, 300 kVA, 500 kVA, and higher capacities, enabling flexible integration into diverse industrial and commercial power systems.
Global Manufacturing & Supply Capability
As a China-based leading manufacturer, factory, supplier, and wholesale exporter, this 150 kVA three phase voltage stabilizer transformer is supplied worldwide. Global sales markets include the United States, Canada, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, United Arab Emirates, Saudi Arabia, Russia, Germany, France, South Africa, Mexico, Venezuela, New Zealand, and other international regions.
Strong production capacity, efficient logistics, and professional export experience ensure stable supply and reliable delivery for global distributors, EPC contractors, and end users.
Application Case Examples
Case 1 – Manufacturing Plant (Brazil)
A large manufacturing facility deployed multiple 150 kVA AVR voltage stabilizer transformers to stabilize fluctuating grid voltage, significantly reducing equipment failures and improving production continuity.
Case 2 – Commercial Complex (UAE)
Installed to protect HVAC systems and elevators, ensuring consistent voltage supply and reducing maintenance costs in a high-load commercial environment.
Case 3 – Water Treatment Facility (Southeast Asia)
Used to maintain stable power for pumps and control systems, improving operational efficiency and system reliability.
How to Select the Right Voltage Stabilizer Transformer
When selecting a three phase voltage stabilizer transformer, key factors include load capacity, input voltage range, required regulation accuracy, installation environment, and future expansion needs. Choosing the correct kVA rating and protection level ensures optimal performance and long-term reliability.
Our technical team provides professional selection guidance and system-level power solutions based on real operating conditions.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a voltage stabilizer and an AVR transformer?
A voltage stabilizer transformer integrates automatic voltage regulation with transformer functionality, offering higher efficiency, better protection, and simplified installation.
Q2: Can this 150 kVA AVR work in areas with severe voltage fluctuation?
Yes, customized wide-range input voltage designs are available for unstable grid environments.
Q3: Is customization available for enclosure and protection level?
Yes, IP21, IP54, and outdoor enclosure options are available based on application needs.
Q4: What industries commonly use this product?
Manufacturing, commercial facilities, healthcare, water treatment, mining, energy, and infrastructure projects.
Request a Quote or Power Solution Consultation
If you are looking for a reliable 150 kVA three phase voltage stabilizer transformer (AVR) for industrial or commercial power systems, contact us today. We support customized voltage stabilization solutions across a wide range of capacities, from small kVA units to large industrial power systems.
Our engineering team will help you select, configure, or customize the optimal solution for your application. Send your inquiry now for pricing, technical consultation, wholesale supply, or project-based power solutions.
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