The Sorensen DHP 30-66 is a high-power programmable DC power supply from AMETEK Programmable Power, delivering up to 30V and 66A (1980W). Part of the modular DHP Series, it features comprehensive digital displays, robust protection mechanisms, and power-off memory for automated and manual test environments.

Specifications

General

ParameterValue
DisplayDigital display showing voltage, current, power, limits, AC input voltage, air inlet temperature, and diagnostics

Physical

ParameterValue
Power Supply190 - 250 VAC, single-phase or three-phase, 47 - 63 Hz (configuration dependent)
Operating Temperature0 to 50 °C (typical)
Dimensions (W×H×D)483 mm × 133 mm × 508 mm
Weight20.4 kg

DC Output Specifications

ParameterValue
Rated Output Voltage0 - 30 VDC
Rated Output Current0 - 66 ADC
Rated Output Power1980 W

Protection and Isolation Features

ParameterValue
Overvoltage Protection (OVP)Yes
Overcurrent Protection (OCP)Yes
Over Temperature Protection (OTP)Yes
Short Circuit ProtectionYes
Brown Out ProtectionYes
Surge Limit ProtectionYes
Soft StartYes
Front Panel LockoutYes (disables front panel controls in remote operation)

System Connectivity and Control

ParameterValue
Power-Off MemoryYes (LAST SET button restores supply settings)
External ShutdownYes (inhibits output via external control)

User Interface and Display

ParameterValue
Front Panel ControlsUp/down arrows for voltage/current/step changes, LAST SET button
Display Parameter - Output PowerYes
Display Parameter - Output VoltageYes
Display Parameter - Output CurrentYes
Display Parameter - Voltage and Current Set PointsYes
Display Parameter - AC Input VoltagePresent and highest AC input voltage
Display Parameter - Air Inlet TemperaturePresent and highest air inlet temperature
Display Parameter - Auto-Step SequenceYes
Display Parameter - Calibration Set-upYes
Display Parameter - Remote Operation Set-upYes
Display Parameter - Diagnostics Fault Status SummaryYes

Environmental Specifications

ParameterValue
Cooling MethodForced air cooling
Storage Temperature Range-40°C to +85°C
Operating HumidityUp to 95% RH (non-condensing)
Maximum Operating Altitude3,000 m (10,000 ft)

Regulation & Performance

ParameterValue
Line Regulation (Voltage)0.1% of rated voltage
Load Regulation (Voltage)0.1% of rated voltage
Line Regulation (Current)0.1% of rated current
Load Regulation (Current)0.1% of rated current

AC Input

ParameterValue
Input Frequency47 - 63 Hz

Performance

ParameterValue
Voltage Programming Accuracy±(0.1% of setting + 0.1% of max)
Current Programming Accuracy±(0.2% of setting + 0.2% of max)
Voltage Readback Accuracy±(0.1% of reading + 0.15% of max)
Current Readback Accuracy±(0.2% of reading + 0.25% of max)
Output Voltage Ripple (RMS)15 mV
Output Voltage Ripple (P-P)75 mV
Remote Sense CompensationUp to 5 V total line drop (2.5 V per lead)
Voltage Temperature Coefficient0.02% of maximum output voltage per °C
Current Temperature Coefficient0.03% of maximum output current per °C

Electrical

ParameterValue
Power Factor0.95 minimum (with active PFC)
AC Input Current15 A (single phase) / 9 A (three phase) @ 190-250 VAC

Inputs & Outputs

ParameterValue
Analog Programming Inputs0-5 V, 0-10 V, or 0-1 mA (user selectable)

Technology

Programmable DC Power Supply

Applications

High-power DC test and measurement, laboratory power, automated test systems (ATE)