Sorensen SGI250-120 DC Power Supply, 250V, 120A, 30kW

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The Sorensen SGI250-120 is a state-of-the-art Programmable Precision High Power DC Power Supply, meticulously designed to provide unmatched performance and reliability. With its exceptional load transient response, low noise levels, and remarkable power density, the SGI250-120 is engineered for the most demanding applications. Its innovative front air intake system allows for efficient stacking of multiple units without any spacing requirements, optimizing your workspace.

Key Features of the Sorensen SGI250-120 include:

    • High Power Density: Delivers an impressive 30 kW within a compact 6U chassis.
    • Wide Voltage Range: Operates from 0-250 V and provides a current of 0-120 Amps.
    • Fast Load Transient Response: Offers protection against undesired voltage excursions, ensuring stability during operation.
    • Low RMS and P-P Noise: Specifically designed for sensitive applications where noise levels must be minimized.
    • Parallelable up to 150 kW: Easily expandable to meet growing power requirements.
    • Modular Design: Allows for upgrades, ensuring long-term investment protection.
    • Sequencing: Supports custom waveforms tailored to specific testing protocols.
    • Multi-Language Fluorescent Display: Features an easy-to-read display accommodating eight languages including English, French, German, Italian, Spanish, Chinese, Japanese, and Korean.
    • 16-bit Resolution: Optional IEEE-488.2 + RS-232C + Ethernet interfaces for precision and advanced control.
    • Ethernet Control: Provides LXI Class C compliant communications through an integrated web server.
    • Direct Relay Control: Enables control of output and sense isolation relays along with polarity relays (Ethernet Option Only).
    • Hardware Trigger: Available with the Ethernet option for enhanced functionalities.

Specifications of the Sorensen SGI250-120 include:

Common:

    • Remote Sense: Compensates for load-line losses effectively.
    • Parallel Operation: Capable of paralleling up to 5 units, with support for additional units on contact.
    • Series Operation: Up to 2 units can be connected in series.

Input:

    • Nominal Voltage: 3 phase, 3 wire + ground; various operational ranges available.
    • Frequency: 47 – 63 Hz (optional 400Hz at 208 VAC).
    • Power Factor: >0.9 at standard inputs, ensuring energy efficiency.
    • Protection: Includes critical ride-through features for enhanced safety.

Environmental:

    • Operating Temperature: 0 to 50°C, suitable for diverse environments.
    • Storage Temperature: -25°C to 65°C, allowing for wide-ranging applications.
    • Humidity Range: Supports up to 95% non-condensing humidity.
    • Altitude: Full power up to 5,000 ft with derating for higher elevations.
    • Cooling: Features front and side air inlets with rear exhaust, utilizing variable speed fans.
    • Regulatory Compliance: Meets UL/CSA61010 and IEC/EN61010-1 standards, ensuring safety and performance.

Physical:

    • Dimensions: 19.00” W x 25.0” D x 5-15 kW units: 3U – 5.25” H (13.34 cm).
    • Weight: Approximately 80 lbs. (36 kg) for 3U models.

Output:

    • Ripple & Noise: Specific parameters outlined for voltage and current modes.
    • DC Voltage Slew Rate: 45 A/ms for resistive loads.
    • Regulation: Tight line and load regulation ensuring accuracy.
    • Efficiency: Typically around 87% at nominal line and maximum load.
    • Stability & Temperature Coefficient: Excellent stability over time and temperature.
    • Output Float Voltage: Designed to facilitate safe operations with proper equipment.

Programming Specifications of the Sorensen SGI250-120 include:

    • Front Panel Display: High accuracy and resolution for monitoring and adjustments.
    • Remote Analog and Digital Interfaces: Enhances control and accuracy for advanced setups.

Read-Back / Monitoring Specifications of the Sorensen SGI250-120 include:

    • Accuracy: Maintains high accuracy across all read-back interfaces.

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