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High Frequency Switching Power Supply 500A-4000A from China Suppliers | Reliable Factory Quality
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. High-quality power devices provide strong guarantee for the high reliability of the whole power supply.
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Soft turn-off technology to reduce the loss of switching IGBT and extend the service life.
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Digitally controlled PWM, which can be counted and controlled one by one, has the function of magnetic balance correction for each pulse.
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Excellent corrosion resistance. The mechanical structure with isolation function is adopted, and the control circuit adopts the "three prevention" treatment measures to prevent salt, fog and acidification.
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Perfect protection. It has soft start, overcurrent, overheat, sound and light alarm functions, etc.
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The function of stabilizing current or voltage can be selected according to the process requirements. When the grid voltage fluctuates by 10% and the load remains unchanged, the output deviation is ≤ 1%.
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Power components work efficiently without noise. Local and remote control can be realized through PLC or field bus and computer interface and easy to operate. The timing, ampere-hour and temperature control can be setted.
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Small size, light weight, high efficiency and high control precision, saving electric energy and using space.
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The equipment can run continuously with full load for a long time in harsh environment, and adopts full water cooling or air cooling. Working temperature rise of transformer less than 60k; The working temperature rise of 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 brands of components are used in this high-frequency power supply?
The system features high-quality core components from top manufacturers, including the three-phase rectifier bridge module from Japan's SanRex, IGBT devices from Germany's Infineon, and premium imported high-frequency rectifiers to ensure maximum reliability.
What are the input voltage and output specifications of this system?
The system supports an AC output range of single phase 220V or 3 phase 380V. The output current ranges from 500A to 4000A, and the output voltage is adjustable from 0V to 30V.
How does the system maintain stability during voltage fluctuations?
It features high control precision. When the grid voltage fluctuates by up to 10% and the load remains constant, the output deviation remains within ≤ 1% for both stabilized voltage and current.
What cooling methods and thermal protection are implemented?
The equipment supports full water cooling or air cooling to run continuously at full load. The working temperature rise of both the transformer and the IGBT/diode components is strictly kept under 60K.
Does this power supply support remote monitoring and automation?
Yes, local and remote controls can be easily integrated through a PLC, field bus, or computer interface. Operators can configure precise settings for timing, ampere-hour, and temperature control.
What built-in safety protection functions does the device have?
The power supply is equipped with a complete protection system, including soft-start functionality, overcurrent protection, overheat protection, and integrated sound and light alarms.