IT8900G/L High Speed High Power DC Electronic Load

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IT8900G/L High Speed High Power DC Electronic Load

  • Maximum power of single unit: 2-54kW
  • Current range: 4U module up to 600A, master/slave parallel control, power expansion up to 600kW
  • Multiple operating modes: CC, CV, CR, CP, CC+CV, CV+CR, CR+CC, CP+CC
  • Low and high current loading, internal resistance about 0.7mΩ
  • 500kHz high speed voltage and current sampling rate
  • Time measurement, battery discharge test
  • Short circuit simulation, automatic test function
  • Support OVP, OCP,OPP, OTP, current oscillation protection, current limit, power limit, fan blocking protection, reverse alarm, etc
IT8900G/L series high speed and high power DC electronic load features as fast current rise and fall and low voltage loading capability. It has three voltage ranges: 150V, 600V, 1200V, and the maximum power ranges from 2kW to 54kW for a single unit. it has wide-range design, independent master unit control.
It supports master-slave parallel connection, and the maximum power can be extended to 600kW. It has high power density, only 4U height unit can input 6kW. IT8900G/L has up to 8/4 operating modes with dynamic mode, OCP, OPP test, auto test and battery test. It has built-in CAN, LAN, GPIB, USB, RS232 and analog interfaces, etc., and has full protection. The IT8900G/L can be applied to the testing of EV batteries, A/D power supplies, server power supplies, DC charging piles, on-board chargers (OBCs), industrial motors, fuel cells, power electronics, and other power electronics products.

Performance:

  1. Power Range:
    • Single Unit: 2kW to 54kW.
    • Parallel Connection: Up to 600kW.
  2. Voltage Range:
    • 150V, 600V, 1200V.
  3. Current Range:
    • Up to 600A for a 4U module.
  4. Dynamic Mode:
    • Frequency up to 30kHz (150V models).
  5. Resolution and Accuracy:
    • Voltage: ±(0.025% + 0.025% FS) resolution down to 1mV.
    • Current: ±(0.05% + 0.1% FS) resolution down to 1mA.

Features:

  1. Operating Modes:
    • CC (Constant Current), CV (Constant Voltage), CR (Constant Resistance), CP (Constant Power), and combinations like CV+CC, CV+CR, etc.
  2. Advanced Testing:
    • Battery discharge tests with configurable cut-off conditions.
    • OCP/OPP tests for over-current and over-power protections.
    • Time measurements for power module start-up/shutdown and fuse-blowing.
  3. Programming:
    • List and dynamic modes for generating complex waveforms.
    • Adjustable rise/fall times and slopes for precise control.
  4. Safety and Reliability:
    • Full protection suite: OVP, OCP, OPP, OTP, reverse alarm, etc.
    • Soft power on/off to prevent voltage fluctuations.

Connectivity:

  1. Built-In Interfaces:
    • LAN, USB, RS232, GPIB, CAN, and external analog control.
  2. Parallel Operation:
    • Master-slave parallel connection for power expansion.

Design:

  1. Compact High-Density Units:
    • 4U height for up to 6kW.
    • Supports modular, scalable configurations.
  2. Low Voltage Loading:
    • Internal resistance of about 0.7mΩ, suitable for low-voltage, high-current applications like fuel cells and solar cells.

Applications:

  • Testing EV batteries, server power supplies, DC-DC converters, charging piles, fuel cells, and industrial motors.
  • Aging tests and safety tests for power electronics and manufacturing systems.

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