POWER SOURCE FOR ELECTRON BEAM MELTING
Upto 15kW
POWER SOURCE FOR ELECTRON BEAM MELTING
Upto 15kW
IONICS has designed, developed and supplied regulated power supplies for Electron Beam Melting equipment using the transformer-rectifier topology.
The entire power source consists of the following:
- Acceleration Voltage Supply
- Filament Heating Supply floating on high voltage
- Focusing Supply
- Beam Oscillation supplies (X and Y) 2 sets
- Beam Deflection supplies (X and Y) 2 sets
- OEM Customization available
Download Datasheet
TECHNICAL SPECIFICATIONS
| PARAMETER | SPECIFICATION |
|---|---|
| Input Voltage | 415V ±10% A C, 50Hz, three phase |
| Ambient temperature | 40˚C |
| Method of cooling | Air-cooled |
| Type of Transformer | Epoxy cast dry type rectifier transformer |
| Duty | Continuous operation |
| Installation | Indoor |
| Protections | Input HRC fuses Single phasing preventer Harmonic filter at the mains input Thermal overload relays Linear reactor for limiting short circuit current |
| Digital Monitoring | Acceleration voltage – 0 to -15kV DC average Beam current – 0 to 1A DC mean |
| Controls & Signals on Control Panel | Push buttons for ON/ OFF 10 turn potentiometer for voltage, current control LED indications for ON/ OFF, fault status |
| Construction | The unit is to be divided into three parts viz., The transformer cubicle, control cubicle and control console |
| ACCELERATIO N VO LTAGE SUPPLY | |
| Output Voltage Range | -0.5kV DC to -15kV DC average |
| Output Current Range | 0 to 1A mean |
| Line Regulation | Upto 4% for 10% variation in input voltage |
| Load Regulation | Upto 4% for 0 to 100% load variation |
| Stability | < 10% |
| Ripple at frequencies ≤ 1 kHz | Upto 4% rms of set value – within working range |
| Resolution | 0.5kV for voltage and 10mA for current |
| Protections* | Against over load, over current, over voltage, over watts and short -circuit. During short circuit power supply trips |
| FILAMENT HEATING SUPPLY (EHT INSULATED) | |
| Output Voltage Range | 0 to 7V AC rms |
| Output Current Range | 0 to 40A |
| Insulation Level | This supply will be floating at -15kV DC |
| Protections | The power supply will incorporate trip circuit for over current fault. |
| Topology | Thyristorised primary controller followed by single phase step down transformer, independent close loop control |
| FOCUSING SUPPLY | |
| Output Voltage Range | Upto 70V DC |
| Output Current Range | 0 to 1A |
| Ripple | ≤ 0.1% |
| Resolution | 1mA |
| BEAM OSCILLATIO N SUPPLIES (X & Y) 2 SETS | |
| Output Voltage Range | 0 to 10V A C sinusoidal |
| Output Current Range | 0 to 1A (max) continuously variable by multi-turn potentiometer. |
| Frequency | Variable from 3Hz to 50Hz, sinusoidal and saw tooth with selector switch |
| Phase Shift* | Adjustable phase shift of 0 – 180˚ between the two sets of output |
| Line Regulation | Upto 0.1% for 10% variation in input voltage |
| Load Regulation | Upto 0.1% |
| BEAM DEFLECTIO N SUPPLIES (X & Y) 2 SETS | |
| Voltage | 0 to 5V DC |
| Current | 0 to 0.5A (max) continuously variable by multi turn potentiometer. |
| Polarity | Positive / negative (selectable through switch) |
| Line Regulation | Upto 0.1% for all changes in line voltage of ±10% |
| Load Regulation | Upto 0.1% |
| Ripple | < 1mV rms |