The SGAVR-150KVA is a 3-phase automatic voltage stabilizer and transformer integrated machine designed to convert 380V input to stable 220V output while regulating voltage fluctuations within ±1%–2% accuracy. With a ±15% input voltage compensation range, ≥98% efficiency and comprehensive protection functions, it provides reliable power conditioning for CNC machines, medical equipment, data centers and other sensitive industrial loads.
The 150kVA 3 phase automatic voltage regulator serves as an integrated solution aimed at industrial sectors requiring consistent voltage supply. Designed specifically for environments with 380V three-phase power inputs, this 380V to 220V voltage stabilizer delivers a stable 220V output essential for sensitive equipment such as CNC machines, medical devices, and automation systems. Ideal for procurement managers and system engineers, it minimizes voltage fluctuations, reducing downtime and equipment damage. Clients seeking to source robust voltage regulation solutions benefit from the expertise of a reliable 150kVA AVR transformer supplier committed to strict compliance and quality standards.
This 150kVA 3 phase automatic voltage regulator incorporates a dual CD-type silicon steel core ferromagnetic resonance circuit that compensates for input voltage variations within ±15%, with optional expansion to ±60%, maintaining voltage regulation accuracy between ±1% and ±2%. Controlled by a microcomputer system, it provides real-time voltage and load monitoring alongside comprehensive protection: overload, short circuit, phase loss, and voltage anomaly safeguards. The product achieves an efficiency of ≥98% under full load while delivering a pure sine wave output. Rated for continuous operation, it operates within an ambient temperature range of −20°C to +45°C and meets international standards JB/T 7620-1994, EN 61558-2-4, and JEC-204, cementing its status as a technically advanced 380V to 220V voltage stabilizer trusted by top 150kVA AVR transformer supplier companies.
Widely utilized across manufacturing, medical, telecommunications, and scientific research sectors, the 150kVA 3 phase automatic voltage regulator addresses vulnerabilities caused by unstable grid voltage and improper mains power. Its consistent 220V output safeguards equipment precision and process continuity, critical in semiconductor fabrication and data center operations. Integration with existing electrical infrastructures is seamless, owing to its 3-phase 4-wire configuration and modular control system offering both automatic and manual modes. System integrators and plant operators value this 380V to 220V voltage stabilizer for enhancing overall operational efficiency and reducing maintenance interventions when procured from a dependable 150kVA AVR transformer supplier.
The 150kVA 3 phase automatic voltage regulator features a modular design architecture that simplifies installation and maintenance, allowing swift integration into industrial environments. Its dual CD-type silicon steel core optimizes magnetic performance, reducing core losses and improving reliability over time. The device supports a 3-phase 4-wire voltage input of 380V while providing stabilized 220V output through a combined transformer-stabilizer unit, streamlining system footprint and complexity. Incorporating microcomputer intelligent controls enhances system adaptability, allowing precise calibration and fault diagnostics. Such design elements underline the leadership of a 150kVA AVR transformer supplier dedicated to engineering excellence and customer-specific solutions.
The device delivers consistent voltage regulation within ±1% to ±2%, optimal for sensitive industrial loads, minimizing equipment malfunctions related to voltage fluctuations. With an efficiency rating of ≥98%, it ensures minimal energy losses, contributing to cost savings and environmental sustainability. User interfaces facilitate both automatic and manual control modes, enhancing operational flexibility. Built-in protections guard against overload, short circuit, and phase abnormalities, providing robust operational safety. The prolonged design life of 20 years ensures reliability and cost-effectiveness, appealing to users seeking durable solutions from a 150kVA AVR transformer supplier proven in demanding industrial settings.
The SGAVR-150KVA combines automatic voltage stabilization and step-down voltage transformation in one integrated unit. It accepts a 3-phase 4-wire 380V AC input and provides a stable 3-phase 4-wire 220V AC output, making it suitable for equipment that requires both voltage conversion and precise voltage regulation.
The stabilizer uses a dual CD-type silicon-steel core ferromagnetic resonance circuit to compensate for input voltage fluctuations. Within the standard ±15% input voltage range, the system maintains an output voltage regulation accuracy of ±1%–2%.
| Parameter | Specification |
|---|---|
| Product Model | SGAVR-150KVA |
| Rated Capacity | 150 kVA* |
| Phase | 3 Phase |
| Input Voltage | AC 380V, 3 Phase 4 Wire |
| Output Voltage | AC 220V, 3 Phase 4 Wire |
| Frequency | 50Hz / 60Hz |
| Input Voltage Range | ±15% |
| Optional Input Range | Up to ±60% |
| Voltage Regulation Accuracy | ±1%–2% |
| Input Power Factor | ≥0.95 |
| Waveform | Pure Sine Wave |
| Response Time | <1 second |
| Efficiency | ≥98% at full load |
| Overload Capacity | 150% for 10 seconds; 3× rated load current momentarily |
| Insulation Class | Class F |
| Protection Degree | IP20 |
| Noise Level | ≤60 dB @ 1m |
| Operating Temperature | –20°C to +45°C |
| Operating Humidity | 0–95%, non-condensing |
| Maximum Altitude | ≤1000m |
| Control System | Microcomputer + Modular Design |
| Control Mode | Automatic / Manual |
| Design Life | 20 Years |
| Standards | JB/T 7620-1994 / EN 61558-2-4 / JEC-204 |
The SGAVR integrated stabilizer and transformer is designed for industrial and commercial applications where both voltage stabilization and voltage conversion are required.
The product is particularly suitable for applications where unstable input voltage or an incorrect voltage level could affect equipment performance, measurement accuracy or operational reliability.
The SGAVR combines three technologies:
1. Ferromagnetic Resonance Voltage Stabilization
The stabilizer uses a dual-core magnetic circuit to continuously compensate for input voltage fluctuations.
2. Electromagnetic Voltage Transformation
The transformer section uses electromagnetic induction and the winding turns ratio to step down the stabilized voltage from 380V to 220V.
3. Microcomputer Intelligent Control
The control system monitors voltage and load conditions in real time and automatically manages the voltage regulation process and protection functions.
Compared with installing a separate voltage stabilizer and transformer, the integrated SGAVR solution provides:
Feixiangda applies quality control throughout the production process.
Different countries and industrial applications may require different input and output voltage configurations.
Feixiangda can provide customized solutions according to application requirements, including:
For applications requiring an input voltage compensation range beyond the standard ±15%, a wider range up to ±60% can be customized according to the specification sheet.
1. What is the input and output voltage of the SGAVR-150KVA?
The standard configuration is 3-phase 4-wire 380V input and 3-phase 4-wire 220V output.
2. What is the voltage regulation accuracy?
The voltage regulation accuracy is ±1%–2% under the specified operating conditions.
3. What input voltage fluctuation range can the stabilizer handle?
The standard input voltage compensation range is ±15%. A wider input range of up to ±60% can be customized according to application requirements.
4. Can the stabilizer and transformer be used separately?
The SGAVR is designed as an integrated stabilizer and transformer, combining voltage regulation and voltage transformation in one system.
5. What equipment can use this 380V to 220V voltage stabilizer?
Typical applications include CNC machines, medical equipment, telecommunications equipment, data centers, semiconductor equipment, laboratories and other sensitive industrial equipment.
6. Does the unit provide overload and short-circuit protection?
Yes. The system provides overload, short-circuit, overvoltage, undervoltage and phase-loss protection/alarm functions.
7. Is the output waveform suitable for sensitive equipment?
Yes. The specification states that the unit provides a pure sine wave output without waveform distortion.
8. Can the voltage stabilizer be customized?
Yes. Voltage range and other electrical specifications can be customized according to the customer's application requirements.
9.What customization options do you offer for the 150kVA 3 phase automatic voltage regulator?
We provide flexible customization for the 150kVA 3 phase automatic voltage regulator, including adjustable input voltage compensation up to ±60% and tailored output voltage or frequency settings to meet your specific industrial requirements.
10.Can you assist with installation and maintenance of the 380V to 220V voltage stabilizer?
Yes, we offer technical guidance for the setup and routine maintenance of the 380V to 220V voltage stabilizer. Our microcomputer-controlled system simplifies monitoring, and we provide clear instructions to ensure optimal performance and longevity.
11.What protections are built into the 150kVA AVR transformer supplier’s product?
Our 150kVA AVR transformer supplier includes comprehensive protections such as overload, short circuit, overvoltage, undervoltage, and phase loss detection. These features safeguard your critical equipment against common electrical faults in industrial environments.
12.How does your 150kVA 3 phase automatic voltage regulator handle input voltage fluctuations?
The 150kVA 3 phase automatic voltage regulator compensates for input voltage variations within ±15%, with options to expand this range to ±60%. This ensures stable output voltage even in unstable grid conditions, protecting sensitive industrial machinery effectively.
