I-TS-3870-ol – CalTest

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Gustav Klein

I-TS-3870-ol - DC source/sink with overload function

The I-TS-3870-ol from Gustav Klein is a single channel infeed test system designed for the testing and emulation of batteries, fuel cells, and powertrains, with an additional overload capability for enhanced performance.

It features one high performance output delivering up to 1200V and 1200A, making it suitable for demanding applications. The system offers a maximum power of 650kW in single operation, which can be expanded up to 1.3MW in parallel configurations for larger scale testing.

An integrated overload function provides additional flexibility, allowing operation up to a maximum of 500kW when required, supporting more dynamic and intensive test scenarios.

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
Overload: 50% for 60 seconds (3-minute cooling time at nominal load) for systems from 60 kW to 160 kW
Overload: 25% for 60 seconds (3-minute cooling time at nominal load) for systems up to 250 kW to 500 kW
Short-circuit proof lcw < 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 of charging stations

Technical Data

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 voltage 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

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Contact:

CALTEST INSTRUMENTS PVT LTD

NMR Green Nest, Ground Floor
Hitech Defense and Aerospace Park
Bangalore North, Bandi Kodigehalli
Bangalore 562149
Karnataka

india.mktg@caltest.de
+919845007602

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