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High-Power Electronic DC Load for Dynamic DC Testing

ITECH IT8100A/E: Realistic Testing of Load Transients and High DC Power

The ITECH IT8100A/E Series is designed for test applications in which high currents and fast load changes occur simultaneously. Typical DUTs include AI server power supplies, power modules, batteries, fuel cells, and power electronics. The instruments operate as electronic DC loads and absorb power delivered by the DUT; they do not replace a DC source.

Load transients, current profiles, and changing operating points can be simulated directly in the instrument. This allows, for example, the transient response of power supplies, OCP and OPP protection points, short-circuit behavior, or battery discharge to be tested reproducibly. User-defined current waveforms support tests with real or recorded load profiles.

For high-power test systems, multiple instruments can be connected via optical master-slave operation. This enables tests in the MW range with centralized load control. The high current dynamics also support testing of systems that must respond to rapid load changes.

IT8100A or IT8100E?

The IT8100E is suitable when dynamic high-power load testing, protection testing, and scalable DC load power are the primary requirements. The IT8100A adds EIS with Bode and Nyquist plots, CC Pulse, CC Sine, Table Mode, and DVM. This also makes it suitable for battery and fuel cell impedance analysis as well as high-current pulse testing.

The IT8100A/E Series instruments are electronic DC loads. If a DUT must both be supplied with power and loaded, bidirectional DC power supplies are the more suitable instrument class.

Alternative Products

If you require very high DC currents for conventional high-power load testing, the ITECH IT8400 high-power electronic DC load is a suitable alternative. For another conventional high-power DC load with a broad range of voltage and power ratings, the ITECH IT8900A/E high-power electronic DC load is also a suitable option.

Related Product Categories

Electronic Loads

Which IT8100A/E Model Fits Your Load Profile?

We match load dynamics, power, parallel operation, and EIS requirements to your DUT and help you select the right IT8100A or IT8100E configuration.

Variants

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Specifications

Voltage and current range
  • voltage ranges 60 V, 150 V, 600 V, and 1200 V
  • current up to 7200 A
Power and scalability
  • power range 2 kW to 86.4 kW
  • parallel operation up to 1.8 MW at 150 V
  • parallel operation up to 1.5 MW at 600 V and 1200 V
Load dynamics
  • current slew rate up to 150 A/µs per unit
  • dynamic load operation up to 50 kHz
Minimum operating voltage 0.24 V at 2400 A for low-voltage high-current testing
Short-term overload 1.5 times rated power for up to 60 s at an ambient temperature of up to 25 °C
Load operating modes
  • CC, CV, CR, CP, and CE
  • combined load operating modes
Dynamic test profiles
  • Dynamic, LIST, Sequence, and Sweep
  • user-defined waveforms
Protection and battery tests
  • OCP and OPP
  • short-circuit test
  • battery discharge
Measurement and recording
  • three-range V/I design
  • Meter, Scope, and Datalog display
Interfaces
  • USB / LAN / CAN
  • optional GPIB
  • optional RS232 and analog control
IT8100A EIS electrochemical impedance spectroscopy from 0.01 Hz to 20 kHz with Bode and Nyquist plots
IT8100A additional functions
  • CC Sine, CC Pulse, and Table Mode
  • 5½-digit DVM
  • 4-times transient overload for up to 1 ms at an ambient temperature of up to 25 °C

Options & Accessories

IT-E31220-OO 120 A test cables, 2 m, round terminals, one pair
IT-E33620-OO 360 A test cables, 2 m, round terminals, one pair
IT-E32420-OO 240 A test cables, 2 m, round terminals, one pair
IT-E32410-OO 240 A test cables, 1 m, round terminals, one pair
IT-E31005LIC-OO low-inductance 100 A test cables, 0.5 m, ring terminals
IT-E31010LIC-OO low-inductance 100 A test cables, 1 m, ring terminals
IT-E31020LIC-OO low-inductance 100 A test cables, 2 m, ring terminals
IT-E176 optional GPIB interface
IT-E177 optional RS232 and analog interface
IT-E168/169 optional fiber-optic kit for parallel operation
IT-E9003 warranty option up to 3 years
IT-E9005 warranty option up to 5 years

Scope of Delivery

IT8100A/E Series unit(s)
USB communication cable
AC power cord
Operating manual

Applications

EV charging stations and BOBC
I-V characteristics of solar arrays
Power semiconductors
Power modules
Fuel cells and EV batteries
Power protection devices
AI server power supplies
Automated manufacturing systems
eVTOL and UAV systems

Videos

Links & Downloads

Supplier

LXinstruments has been supplying ITECH equipment since 2020. When an individual instrument needs to become part of a complete test system, we support you with product selection, system sizing and integration into the automation environment. The key is to ensure that the DUT, power requirements, interfaces and test sequence work together.

We also use ITECH equipment in customized test systems. Depending on the test application, we combine power supplies, electronic loads, grid simulation and measurement technology so that the functions match both the DUT and the test sequence.

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