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High Frequency Switching Power Supply (500A~4000A) - China Manufacturers & Suppliers | GGDF/S Series Factory
Product Feature
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High reliability: The main power devices are high-quality devices from well-known manufacturers at home and abroad. Three-phase rectifier bridge module of Japan's SanRex, IGBT of Germany's Infineon and imported high-frequency rectifier devices provide strong guarantee for the high reliability of the whole power supply.
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Soft turn-off technology: Applied to reduce the loss of switching IGBT and extend the service life.
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Digitally controlled PWM: Can be counted and controlled one by one, featuring magnetic balance correction for each pulse.
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Excellent corrosion resistance: Mechanical structure with isolation function is adopted, and the control circuit adopts "three prevention" treatment measures to prevent salt, fog, and acidification.
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Perfect protection: Equipped with soft start, overcurrent, overheat, sound and light alarm functions, etc.
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Stabilizing functions: The function of stabilizing current or voltage can be selected according to process requirements. When grid voltage fluctuates by 10% and load remains unchanged, the output deviation is ≤ 1%.
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Efficient & Quiet: Power components work efficiently without noise. Local and remote control can be realized through PLC, field bus, and computer interface. Timing, ampere-hour, and temperature control can be set.
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Compact design: Small size, light weight, high efficiency, and high control precision, saving electric energy and space.
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Continuous operation: Can run continuously with full load for a long time in harsh environments. Adopts full water cooling or air cooling. Working temperature rise of transformer, IGBT, and diode is less than 60K.
Electrical parameter
| Control mode | IGBT High frequency inverter system |
| AC output | single phase 220V / 3 phase 380V |
| Output current | 500~4000A |
| Output voltage | 0~30V |
| Ripple | ＜5% |
| Efficiency | 92% |
| Power factor | 92% |
| Stabilized voltage precision | ＜1% |
| Stabilized current precision | ＜1% |
Frequently Asked Questions (FAQ)
What core components ensure the high reliability of the power supply?
The system utilizes premium components from leading global manufacturers, including Japan's SanRex three-phase rectifier bridge modules, Germany's Infineon IGBTs, and high-quality imported high-frequency rectifier devices.
How does the equipment protect against corrosion in harsh environments?
It features a specialized mechanical structure with an isolation function. Additionally, the control circuit is treated with "three prevention" measures to resist salt, fog, and acidification.
What is the output precision when the grid voltage fluctuates?
When the grid voltage fluctuates by up to 10% and the load remains constant, the output deviation remains ≤ 1% due to the system's stabilized voltage and current control.
What cooling methods are used, and what is the operating temperature rise?
The equipment supports full water cooling or air cooling. Under continuous full load operation in harsh environments, the working temperature rise of the transformer, IGBT, and diode is kept below 60K.
Can the system be controlled remotely?
Yes, both local and remote control can be realized through a PLC, field bus, or computer interface. Users can easily set parameters for timing, ampere-hour, and temperature control.