The Sorensen DHP300-100 is a high-power DC programmable power supply engineered for industrial and laboratory environments demanding precise, stable output across wide voltage and current ranges. This 30 kW unit delivers 0–300V and 0–100A in constant voltage, constant current, or constant power modes, with line and load regulation of 0.1% and 0.5% respectively. Auto-sequencing capability supports up to 9 steps per sequence with durations from 1 second to 99,999 seconds, enabling complex test profiles and burn-in cycles without manual intervention.
Technical Specifications
Output Ratings
• Voltage: 0–300V
• Current: 0–100A
• Power: Up to 30 kW
• Regulation (Line/Load): 0.1% voltage, 0.5% current
• Ripple: 25 mV
• Stability: ±0.05% of set point after 8-hour warm-up at fixed line, load, and temperature
• Temperature Coefficient: 0.02%/°C voltage, 0.03%/°C current
• Transient Response: Recovers within 2% within 10 ms for 30% load step
• Efficiency: 80% minimum at full load
Input Requirements
• Standard: 190–253 VAC, 47–63 Hz, three-phase
• Optional: 360–440 VAC or 432–528 VAC, 47–63 Hz, three-phase
• Configuration: 3-wire plus ground; Delta or Wye
• Input Current (480V): 50 A
Programming & Control
• Auto-Sequence Steps: Up to 9 per sequence
• Step Duration: 1 second to 99,999 seconds (max 27.7 hours)
• Resolution: 0.3% of full scale (voltage/current)
• Accuracy: ±0.10% + 0.3% voltage; ±0.3% + 0.3% current
• Readback: 0.3% voltage and current
Protection & Interfaces
• Overvoltage Protection (resettable without power cycle)
• Over-Temperature Protection
• Brown-Out Protection
• Optional: IEEE-488.2 (GPIB), RS-232, Isolated Analog Input
• Remote Sensing: Terminals provided; max line drop 3% rated voltage or 2V per line
Physical
• Form Factor: Rackmount (2U High)
• Dimensions: 3.50″ H × 19.00″ W × 18.00″ D
– Key Features
• Multi-mode operation: CV, CC, and CP
• Programmable sequencing for automated test and aging applications
• Tight load and line regulation for sensitive device testing
• Remote voltage sensing compensates for distribution losses
• Three-phase input flexibility (190–528 VAC options)
– Typical Applications
Battery charging and formation, power amplifier testing, component burn-in, automotive and aerospace qualification, materials processing, and high-current load simulation.
– Compatibility & Integration
Standard analog control with optional GPIB, RS-232, and isolated analog input interfaces support integration into automated test systems and control frameworks.
