The Sorensen DHP 300-6.6 is a high-performance, programmable DC power supply belonging to the Sorensen DHP (Digital High Power) Series. Delivering up to 300V and 6.6A (1980W), it features a modular design, dual digital displays, comprehensive protection mechanisms, and remote digital and analog control.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232, Isolated Analog |
| Display | Vacuum Fluorescent Display (VFD) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 190 - 250 VAC, single-phase or three-phase, 47 - 63 Hz |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 483 x 133 x 559 mm |
| Weight | 16 kg |
Output Specifications
| Parameter | Value |
|---|---|
| Maximum Output Voltage | 300 VDC |
| Maximum Output Current | 6.6 ADC |
| Maximum Output Power | 1980 W |
| Line Regulation (Voltage) | 0.1% of max. voltage |
| Line Regulation (Current) | 0.1% of max. current |
| Load Regulation (Voltage) | 0.1% of max. voltage |
| Load Regulation (Current) | 0.1% of max. current |
| Ripple & Noise (Vrms, 20MHz) | 150 mV |
Programming & Readback Resolution and Accuracy
| Parameter | Value |
|---|---|
| Voltage Programming Accuracy | 0.1% of max. voltage |
| Current Programming Accuracy | 0.2% of max. current |
| Voltage Readback Accuracy | 0.1% of max. voltage + 1 count |
| Current Readback Accuracy | 0.2% of max. current + 1 count |
Protection Features
| Parameter | Value |
|---|---|
| Over-Voltage Protection (OVP) Range | 0 to 110% of max. voltage |
| Over-Current Protection (OCP) | Included |
| Over-Temperature Protection (OTP) | Included |
| Surge Limit Protection | Included |
| Soft Start Protection | Included |
| Brown Out Protection | Included |
| Short Circuit Protection | Included |
| Front Panel Lockout | Included |
Input Specifications
| Parameter | Value |
|---|---|
| AC Input Voltage Range | 190 - 250 VAC |
| AC Input Frequency Range | 47 - 63 Hz |
| Number of Phases | Single-phase or three-phase |
User Interface & Control
| Parameter | Value |
|---|---|
| Digital Display Capability | Displays output power, voltage, current, set points, limits, AC input voltage, air inlet temperature, auto-step sequence settings, calibration, diagnostics |
| Manual Controls | Up/Down arrows, Last Set button, front panel encoder |
| External Shutdown | External shutdown input to inhibit the output |
| Power-Off Memory | LAST SET button restores supply settings upon power up |
Connectivity & Communication
| Parameter | Value |
|---|---|
| RS-232 Interface | Standard |
| GPIB Interface | Standard (IEEE-488.2) |
| External Analog Control | Isolated analog control standard |
Physical & Mechanical
| Parameter | Value |
|---|---|
| Form Factor | Rackmount |
| Rack Height (U) | 3U |
| Cooling System | Forced air fan cooling |
Environmental & Safety Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to 85 °C |
Performance
| Parameter | Value |
|---|---|
| Transient Response Time | < 1 ms to recover within 1% of rated voltage for a 50% to 100% load step |
| Remote Sense Compensation | Up to 5 V total line drop (2.5 V per line) |
| Voltage Temperature Coefficient | 0.02% of rated output voltage per °C |
| Current Temperature Coefficient | 0.03% of rated output current per °C |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 2000 m (6500 ft) |
| Operating Humidity | Up to 90% RH, non-condensing |
| Storage Humidity | Up to 95% RH, non-condensing |
Safety & Compliance
| Parameter | Value |
|---|---|
| Regulatory Compliance | CE, CSA |
AC Input
| Parameter | Value |
|---|---|
| Input Current (208 VAC, 3-phase) | 9 A (typical at full load) |
| Input Current (220 VAC, 1-phase) | 15 A (typical at full load, optional configuration) |
| Input Current (380 VAC, 3-phase) | 5 A (typical at full load, optional configuration) |
| Input Current (480 VAC, 3-phase) | 4 A (typical at full load, optional configuration) |
| Efficiency | ≥ 80% (typical at full load) |
| Power Factor | 0.90 typical (3-phase) / 0.98 typical (1-phase) |
Programming & Readback
| Parameter | Value |
|---|---|
| Voltage Programming Resolution | 12-bit (0.024% of full scale) |
| Current Programming Resolution | 12-bit (0.024% of full scale) |
| Voltage Readback Resolution | 12-bit (0.024% of full scale) |
| Current Readback Resolution | 12-bit (0.024% of full scale) |
Analog Interface
| Parameter | Value |
|---|---|
| Analog Programming Ranges | 0-5 V, 0-10 V, or 0-5 kΩ, 0-10 kΩ (user-selectable) |
| Analog Monitoring Ranges | 0-5 V or 0-10 V (user-selectable) |
Electrical Specifications
| Parameter | Value |
|---|---|
| Maximum Output Isolation | ±1000 VDC (output to chassis) |
Dynamic Response
| Parameter | Value |
|---|---|
| Output Voltage Rise Time | 100 ms (typical, 10% to 90% at full load) |
| Output Voltage Fall Time (Full Load) | 100 ms (typical, 90% to 10% at full load) |
| Output Voltage Fall Time (No Load) | 5 s (typical, 90% to 10% under no-load conditions) |
Configuration Options
| Parameter | Value |
|---|---|
| Parallel Operation | Up to 5 units in master/slave configuration with active current sharing |
| Series Operation | Up to 2 units (subject to output isolation limits) |
Technology
Switch-mode programmable power supply
Applications
Industrial ATE, aerospace testing, component burn-in, research and development, and OEM systems applications