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High Pressure Formation Aluminum Foil DC Power Supply from China Suppliers and Factory for Efficient Production Solutions
Product Feature
The leakage inductance noise is reduced by 10% compared with the traditional process by using multi-stage low noise filter reactor.
DCL aluminum shell DC support capacitor is adopted to improve safety and design life by more than 20%.
The original low-noise fan of South Korea Fanzic is adopted, and the actual service life is generally over 20 years.
Tin-plated copper bus is used as the conductive bus bar in the cabinet to improve the conductivity and corrosion resistance.
Using the insert radiator, its thermal resistance is reduced by 30% compared with the traditional profile radiator, and the heat dissipation area is increased by more than 28%.
High-performance "fluxgate" Hall sensor is adopted, the highest current sampling accuracy can reach 0.02%, and the temperature drift can be effectively suppressed.
The high-power thyristor is used as the rectifier device, the whole equipment has good stability.
The power supply of the main circuit is from the secondary side of the rectifier transformer, and the power supply of the control circuit is from three-phase AC 380 V ±10%, 50 Hz.
The output voltage error of power supply is ≤0.3V by using the technology of Japan's SanRex and achieve high precision control.
Multi-stage low noise filter reactor is adopted to greatly reduce the leakage inductance noise of the reactor.
DCL aluminum shell type DC capacitor is used to replace the traditional oil-immersed electrolytic capacitor, avoiding explosion and fire risks.
The plug-in radiator has incomparable advantages over traditional heat dissipation equipment.
High precision isolation transmitter, 102L series of high precision potentiometer from Bourns, USA.
High-strength FR-4 insulation board is used in the pressure-resistant insulation treatment for physical isolation.
TMPower supply manufacturing technology is at the leading level in China; our company is the only one in China that undertakes Seven-Level power supply.
Electrical Parameter
| Working temperature | -30℃ ~ +50℃ |
| Elevation | ≤ 2000m |
| Relative humidity | ≤ 90% |
| Installation location | Indoor |
| There is no conductive dust, inflammable and explosive materials. | |
| Output voltage | 300 ~ 1200V |
| Output current | 700 ~ 1400A |
| Efficiency | 97% ~ 99% |
| Current precision | ±1% |
| Voltage precision | ±1% |
| Noise (Standard 1) | ＜65dB |
| Ripple | ≤ 2% |
| Dimension | 1000 * 800 * 2300 (mm) |
| Cooling mode | Air cooling |
| Noise (Standard 2) | ≤ 55dB |
| Protection grade | IP20 |
Frequently Asked Questions (FAQ)
Q: What is the efficiency and precision performance of this power supply?
A: The power supply delivers high efficiency ranging from 97% to 99%. It maintains a current and voltage precision of ±1%, with an output voltage error of ≤0.3V achieved through Japan's SanRex control technology.
Q: What environment is this equipment suitable for?
A: It is designed for indoor installation at elevations ≤ 2000m, operating within a temperature range of -30℃ to +50℃ and relative humidity ≤90%. The location must be free of conductive dust, inflammable, and explosive materials.
Q: How does the design ensure safety and longevity for the DC support capacitor?
A: Instead of traditional oil-immersed electrolytic capacitors, this system adopts DCL aluminum shell DC support capacitors. This eliminates the risk of explosions and fire while increasing both safety and overall service life by more than 20%.
Q: What cooling and noise reduction mechanisms are used?
A: The equipment features air cooling using original South Korean Fanzic low-noise fans (with a service life over 20 years) and an insert radiator that reduces thermal resistance by 30% and increases the heat dissipation area by over 28%. This keeps operational noise low, rated at ≤ 55dB /
Q: How accurate is the current sampling?
A: Thanks to the integration of a high-performance "fluxgate" Hall sensor, the system achieves a current sampling accuracy of up to 0.02% while effectively suppressing temperature drift.
Q: What insulation materials are used in this power supply?
A: The equipment utilizes high-strength FR-4 insulation boards for physical isolation during pressure-resistant insulation treatment, significantly improving the system's insulation protection capabilities.