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High Frequency Switching Power Supply (500A~4000A) - Premium Quality from China Suppliers & Factory
Product Feature
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.
Soft turn-off technology to reduce the loss of switching IGBT and extend the service life.
Digitally controlled PWM, which can be counted and controlled one by one, has the function of magnetic balance correction for each pulse.
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.
Perfect protection. It has soft start, overcurrent, overheat, sound and light alarm functions, etc.
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%.
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.
Small size, light weight, high efficiency and high control precision, saving electric energy and using space.
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
What brands of core components are used in this power supply?
The equipment utilizes high-quality components from world-renowned manufacturers, including Japan's SanRex three-phase rectifier bridge modules and Germany's Infineon IGBTs.
How does the system protect against corrosive environments?
The unit features a mechanical structure with isolation functions and a control circuit treated with "three prevention" measures specifically designed to resist salt fog and acidification.
What is the output precision when the grid voltage fluctuates?
Even if the grid voltage fluctuates by up to 10%, the output deviation remains ≤ 1% when the load is constant, ensuring high stability for precision processes.
Can the equipment be controlled remotely?
Yes, local and remote control can be easily achieved through PLC, field bus, or computer interfaces, allowing for adjustments to timing, ampere-hours, and temperature.
What cooling options are available for long-term continuous operation?
The equipment is designed for continuous full-load operation in harsh environments and supports both full water cooling and air cooling systems.
What are the efficiency and power factor ratings?
Both the energy efficiency and the power factor of the system are rated at 92%, helping to save electrical energy and reduce operating costs.