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Gustav Klein

MI-TS-3871 - Multi-channel DC source/sink

The MI-TS-3871 from Gustav Klein is a multi channel infeed test system designed for the testing and emulation of batteries, fuel cells, and powertrains.

It provides a high performance output of up to 1200V and 1200A, making it suitable for demanding applications. The system delivers a maximum power output of 650kW in single operation, which can be increased to 1.3MW when operated in parallel, offering the flexibility required for larger and more complex testing setups.

Power:

Up to 756kVA+

Voltage:

350Vac L-N/606Vac
L-L or ±500Vdc

Frequency:

Up to 1,200Hz

Features and Equipment

General Characteristics

  • High-dynamic converter
  • Short-circuit proof low < 3 kA or 8 kA (< 8 kA for 1000 A systems)
  • Control accuracy 0.1% fs
  • Residual ripple voltage and current < 0.1% fs
  • Measurement accuracy voltage and current 0.1% fs
  • Connection terminals for sense line for DC voltage measurement
  • Current rise time < 1 ms (up to 800 V), < 1.3 ms (1000 V)
  • Seamless transition source/sink
  • TFT display with touch operation
  • Protection class IP20, Air-cooled, high efficiency 

Safety Equipment

  • Safety controller for performance level d (PLd) according to ISO 13849-1 / EN 60204-1
  • DC output contactor
  • Galvanic isolation for mains supply
  • Main switch (load break switch with fuses in the AC input; lockable in the off position)
  • Stop switch (black mushroom button) in control cabinet door
  • Voltmeter and green indicator light in the cabinet door
  • Connection terminals for external emergency stop
  • Connection terminals for external stop

Interfaces (some optional)

  • Modbus TCP/IP
  • CAN bus
  • VNC over Ethernet
  • SCPI
  • EtherCAT
  • PROFIBUS
  • PROFINET
  • Analog interface
  • LabVIEW driver package
  • Matlab-Simulink (Running Matlab-Simulink projects)
  • Additional interfaces are available as an option.

Options (excerpt)

  • Insulation monitoring
  • Protection diode (no source operation)
  • Parallel run
  • Control cabinet for installing various equipment options (e.g. test bench switching, discharge unit, etc.)
  • Discharge Unit
  • PDU (connection box for test subject)
  • Performance level “e”
  • Emergency stop in cabinet door
  • Adjustment of the protection rating of control cabinets (IP21 – IP54)
  • Water cooling instead of air cooling

Typical Applications

  • Battery tests (charging and discharging tests of batteries)
  • Battery simulation / battery emulation
  • Load for fuel cells
  • Test power supply for component testing (e.g. contactors, cables, circuit breakers…)
  • Testing of DC motors (drive train)
  • EV / EVSE Testing for  charging stations

TYPE I-TS-3870 & MI-TS-3871

Specification Details
Input voltage / input frequency 380 / 400* / 440 / 480 / 500 / 690 V ±10%
3-phase, PE
50 / 60 Hz ±5%
Measurement resolution Voltage: 16-bit ADC
Current: 16-bit ADC
Control accuracy Voltage: 0.1% fs
Current: 0.1% fs
Voltage ripple ≤ 0.1% effective fs
Current ripple ≤ 0.1% effective fs
Dynamic voltage tolerance (0–100% nominal in 3 ms) Battery tester < 3%
Battery simulator < 1%
Short-circuit behavior Systems up to 600A: Icw < 3 kA
Systems > 600A: Icw < 8 kA
Minimum distance from ceiling 300 mm (Standard, IP20)
Permissible environmental conditions Storage: EN 60721-3-1
Transport: EN 60721-3-2
Operation: EN 60721-3-3

1K21 / 1M11, +5 to +40 °C
2K12 / 2M4, -45 to +70 °C
3K22 / 3M11, +5 to +40 °C
Lineup Workplace with restricted access
Installation on non-combustible flooring
Protection class IP20 according to IEC 60529
(others available on request)
Security EN ISO 13849-1
Basic standard EN 62040
EMC EN 61000-2-4 (Mains disturbances)
EN 61000-6-2 (Immunity)
EN 61000-6-4 (Emission)
EN 61800-3 Cat C2 (A1) (Variable speed electric drives)

*Standard 400 V