Sorensen SGI60-83 DC Power Supply, 60V, 83A, 5kW

The Sorensen SGI60-83 is an advanced general-purpose power supply meticulously engineered for laboratory tests and systems applications that demand highly reliable variable DC sources. Notable for its exceptional ripple and regulation characteristics, this unit stands out as a cornerstone for professionals seeking quality and efficiency.

Key Features of the Sorensen SGI60-83 Power Supply:

• Constant Current / Constant Voltage operation to suit various testing needs.
• Automatic crossover functionality for seamless transitions between operation modes.
• Diverse user interface options, including:
• Manual front-panel control for straightforward adjustments.
• Standard non-isolated remote analog control for flexible operation.
• Optional GPIB (General Purpose Interface Bus) for enhanced connectivity.
• Isolated remote analog control to minimize interference.

Specifications:

• Input Power:
• Voltage (Standard): 208/220 VAC ±10% (tested to 187-242 VAC)
• Voltage (Options):
• 380/400 VAC ±10% (tested to 342-440 VAC)
• 440/480 VAC ±10% (tested to 396-528 VAC)
• Frequency: 47 to 63 Hz
• Phases:
• 3-phase, 3-wire plus ground
• Not phase rotation sensitive
• Neutral not utilized
• Front Panel Meter Accuracy:
• Voltage: ±0.1% of full-scale
• Current: ±0.4% of full-scale
• Load Regulation: (Specified from no load to full load, nominal AC input):
• Voltage: 0.02% of maximum output voltage
• Current: 0.1% of maximum output current
• Line Regulation: (Specified ±10% nominal AC input, constant load):
• Voltage: 0.01% of maximum output voltage
• Current: 0.05% of maximum output current
• Transient Response: A 50% step load recovers to within 0.75% of original value within 1 ms.
• Down Programming: Output programs from 100% to 10% in less than 1.5 seconds with no load.
• Stability: ±0.05% of set point over 8 hours at fixed line, load, and temperature using remote sense, following a 30-minute warm-up.
• Remote Control/Monitor:
• On/Off control via contact closure
• Operable with 6-120 VDC or 12-240 VAC
• Compatible with TTL or CMOS switch
• Output voltage and current monitoring
• OVP limit setting
• Summary fault status indication
• Power Factor:
• Typically >0.9 for 208/220VAC input
• Typically >0.78 for 380/400VAC input
• Typically >0.7 for 440/480VAC input
• Efficiency: 87% typical at full load and nominal line.
• Analog Remote Programming:
• Accuracy:
• Constant Voltage: ±0.25% of full scale output for 0-5V range (±0.5% for 0-10V range)
• Constant Current: ±0.8% of full scale output
• Overvoltage Protection (OVP): ±1% of full scale output
• Resistive:
• Constant Voltage (0-100%): 0-5 kΩ
• Constant Current (0-100%): 0-5 kΩ
• Voltage:
• Constant Voltage (0-100%): 0-5 VDC or 0-10 VDC
• Constant Current (0-100%): 0-5 VDC or 0-10 VDC
• Overvoltage Protection (OVP) (5-110%): 0.25-5.5 VDC
• Remote Sensing:
• Terminals for regulating output voltage at the point of load.
• Maximum line drop: 5% of rated output voltage per line for 40-100V models.
• Maximum line drop: 2% of rated output voltage per line for >100V models.

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