MSM-PS315 7KW 315A DC Power Supply for Arc Melting Systems with Digital Micro-Control and HF Arc Ignition
The MSM-PS315 power supply is engineered to provide stable and controllable DC power for arc melting applications, specifically designed to integrate with MTI’s SP-MSM200 arc melting system. It addresses the need for precise current and voltage control during the melting of metals and alloys, ensuring consistent arc stability and material processing quality.
This unit employs a digital micro-controlled inverter system utilizing IGBT modules, which enhances efficiency and responsiveness. It supports a wide pulse frequency range and offers high-frequency arc ignition to facilitate reliable arc starting, critical for initiating the melting process without interruption.
Key Features
- Maximum output power of 7.3KW with DC voltage adjustable from 0 to 22.6V.
- Output current range from 20A up to 315A, supporting both high and continuous duty cycles.
- Pulse frequency adjustable between 0.1 and 100Hz for flexible melting control.
- High-frequency (HF) arc starting technology for reliable and consistent arc ignition.
- Digital micro-controlled inverter with IGBT modules for efficient power conversion and control.
- Power factor ≥ 0.92 and efficiency ≥ 85% at rated values for energy-efficient operation.
- Compatible with single-phase 220VAC input power supply at 50/60Hz frequency.
Technical Specifications
| Parameter | Specification |
|---|---|
| IGBT Type | Module IGBT |
| Inverter Type | Digital / Micro-controlled |
| Input Voltage / Phase | 220VAC, Single Phase, 50/60Hz |
| Input Current | 35A |
| Maximum Power | 7.3KW |
| Output Voltage Range | 0 – 22.6V DC |
| Output Current Range | 20 – 315A DC |
| Pulse Frequency Range | 0.1 – 100Hz |
| Duty Cycle | 315A / 22.6V @ 60% duty cycle; 244A / 20V @ 100% duty cycle |
| Efficiency (η) | ≥ 0.85 (rated value) |
| Power Factor (λ) | ≥ 0.92 |
| Arc Ignition Method | High-Frequency (HF) Arc Starting |
Typical Applications
The MSM-PS315 power supply is primarily used to provide controlled DC power for arc melting systems in research and development laboratories. It supports the melting and alloying of metals and refractory materials where precise current and voltage control are essential for consistent sample quality.
It is suitable for use in materials science, metallurgy, and advanced manufacturing environments requiring reliable arc ignition and stable power delivery during melting processes.
Configuration & Operating Notes
This power supply is designed to be used with MTI’s SP-MSM200 arc melting system and may require proper integration and setup by qualified personnel. The high-frequency arc ignition feature facilitates reliable arc initiation but requires adherence to safety protocols to prevent electrical hazards.
Optional accessories or additional control modules may be available separately to enhance functionality or compatibility with other arc melting configurations.
