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  • GT-AC Series Bidirectional AC Power Supply

GT-AC Series Bidirectional AC Power Supply

🔺Power Range: 10–1200 kVA
🔺System Type: Integrated programmable AC source and regenerative load system
🔺Operation Mode: AC source mode or regenerative load mode selectable
🔺Control System: Full digital DSP control
🔺Intelligent system self-diagnosis with abundant fault logging and large-capacity historical data storage.

Grid Type: Three-phase 380/400/415 VAC (L-L), 220/230/240 VAC (L-N)

Adjustable Output Voltage: 304–478 VAC (L-L)

Output Power Factor: 1.0

Current THDi: <3% (100% linear load)

System Efficiency: ≥96%

Maximum System Capacity: Up to 1.2 MW

Display Interface: LED indicators + 7/10 inch touch LCD

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  • GT-AC Series Bidirectional AC Power Supply

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  • Introduction

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The GT-AC Series Bidirectional AC Power Supply integrates a programmable AC power source and a regenerative electronic load into a single system. It is designed for automated testing, reliability verification, and aging tests of AC-powered equipment.

Unlike conventional test setups that require separate AC sources and load banks, the GT-AC Series combines both functions in one platform, enabling efficient bidirectional energy flow. During testing, electrical energy generated by the load can be fed back to the grid, significantly reducing energy consumption and heat generation.

System Architecture

A bidirectional AC power supply system typically integrates both power source and load functions into one platform. The typical architecture includes:

AC Power Source + Regenerative Load + Control System + Power Conversion Modules + Monitoring System = Integrated AC Source & Load Testing Platform

This integrated design reduces equipment footprint, simplifies system deployment, and improves testing efficiency for high-power electrical equipment.

Typical Applications

The GT-AC Series is widely used in testing and aging applications for various AC-powered equipment, including:

  • UPS systems
  • Power inverters
  • AC/DC converters
  • Switching power supplies
  • Circuit breakers
  • Electrical switches
  • Fuses and other power electronic components

It is particularly suitable for high-power laboratory testing platforms, certification testing environments, and automated production testing systems.

Our Factory and Cases

We welcome you to visit our factory to experience the quality and performance of our products firsthand.

Model Bidirectional AC Power Supply
Power Range 10kVA-1200kVA
Main
input
Input Wiring 3P5W(3P+N+PE)
Input Voltage 380/400/415VAC(L-L); 220/230/240VAC(L-N)
Input Frequency 50/60Hz
Power Factor >0.99
Current Distortion(THDi) THDi<3%(100% Linear load)
Voltage Range 304~478VAC(L-L)full load; 304~228VAC(L-L) power derate from 100% to 50%
Frequency Range 40-70Hz
AC
Source
Mode
Output
Adjustable Output Voltage Range 130~480VAC(L-L),75~277VAC(L-N)
Adjustable Output Frequency Range 38~72Hz
Output Power Factor 1.0
Output Voltage Accuracy ±1.0%
Output Frequency Accuracy ±0.1%
Regenerative
Load
Mode
Regenerative Voltage/Frequency Range 228~478VAC(L-L)/40~70Hz
Regenerative Power Setting Range 20%~100% Rated Power
Output Power Factor 1
Tracking Range Settable, ±0.5Hz-±5Hz, default ±3Hz
Tracking Rate Settable, 0.5Hz/S-3Hz/S, default 0.5Hz/S
System System Efficiency 96%
Display LED+7/10 inch touch LCD
Satety EC62040-1,IEC60950-1
EMC EC62040-2; IEC61000-4-2(ESD); IEC61000-4-3(RS); IEC61000-4-4 (EFT); IEC61000-4-5 (Surge)
Protection Grade IP20
Standard USB, RS232, RS485, Dry Contact Card
Optional SNMP Card, Extended Dry Contact Card, Parallel Kit, Surge Protection Kit, APP/WiFi/Bluetooth
Operating Environment 0~40°C(operating temperature); -25°C ~70°C(storage temperature); 0~95%(non-condensing)

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