Description
This power supply is a pulse power supply, designed for situations such as micro-arc oxidation that require pulse voltage and current. The power supply adopts a high-frequency isolation design and advanced DSP control, ensuring stable output voltage that does not change due to fluctuations in input voltage. The output frequency and duty cycle are adjustable, and the waveform is good.
Product Features:
- Input voltage range: 342VAC~418VAC
- DSP control, output current, high voltage accuracy
- Modular structure, compact size, small footprint
- Maximum operating efficiency: >93%
- Cooling method: Built-in fan, front air intake and rear air exhaust, easy fan replacement
- Supports CAN bus/RS485 communication function
- Supports constant voltage and constant current modes, freely switchable
- Supports input overvoltage/undervoltage protection, phase loss protection, and input three-phase imbalance protection
- Supports output overvoltage protection, overcurrent protection, short-circuit protection, and over-temperature protection
- Independent air duct design, component isolation design, with triple protection (anti-paint, alkali-resistant, acid-resistant)
- Long service life, high reliability
Product Specification Parameters:
| Item | Category | Details |
|---|---|---|
| Product Name | High-frequency digital micro-arc oxidation power supply | |
| Model | IPMA-750/30 | |
| Input | Voltage | AC 380V ±10% 50/60Hz |
| Input method | Three-phase four-wire, no neutral wire | |
| Control method | PWM modulation | |
| Power | 0~22.5KW | |
| Start-up | Soft start | |
| Voltage | Positive pulse DC 0~+750V (0~+750V is the conventional value for micro-arc oxidation; due to different oxidation methods and workpiece sizes, the production range must be selected based on experimental results) | |
| Voltage/current stability | ≤1%F.S.Rms | |
| Output | Current | DC 0~30A (0~30A is the conventional value for micro-arc oxidation; due to different oxidation methods and workpiece sizes, the production range must be selected based on experimental results) |
| Load fluctuation rate | ≤0.5% | |
| Efficiency | ≥93% full load | |
| Frequency | 50~3000Hz continuously adjustable | |
| Duty cycle | 5~90% continuously adjustable | |
| Display | Output positive voltage, positive current value, frequency, duty cycle, fault display | |
| Working limit | Capable of long-time work under full load | |
| Control | External control port | Communication interface RS485/MODBUS |
| Working mode | Constant voltage/constant current mode | |
| Voltage/current | Constant voltage mode, constant current mode, dual-mode automatic switching | |
| Monitoring | Output voltage | Touch screen display |
| Output current | Touch screen display | |
| Protection | Functions | Equipped with protection and alarm functions for phase loss, overheating, current limiting, overvoltage, overcurrent, short circuit, overload, etc. |
| Cooling | Cooling method | Air cooling |
| Air inlet and outlet spacing | 80cm | |
| Ambient temperature | -10~45°C | |
| Humidity | 0~90% non-condensing | |
| Protection level | IP20 | |
| Cooling method details | Forced air cooling |
