Home » The PMLA series DC loads from Höcherl & Hackl
The PMLA series DC loads from Höcherl & Hackl is a configurable multi-channel electronic load that can combine up to twelve channels in one 19″ – 2 HU mainframe. There are three slots each with four places for load modules. By combining Master-Slave units, up to 72 synchronized channels can be achieved per system.
There are 28 different load modules available in four power ranges and four different input voltages. The maximum voltage of these modules runs from 40 V via 60 V, 120 V up to 240 V. The currents run from 1 A up to and including 120 A. Depending on the power range, one module occupies one (150 W), two (300 W), three (450 W) or four places (600 W).
Different loads can be configured, e.g. 1 x 600 W + 1 x 450 W + 2 x 300 W + 5 x 150 W. The maximum total power is 1800 W per rack unit. This allows the loads to be easily configured for DUTs with multiple outputs.
The units can operate in constant current, constant voltage, constant power and constant resistance mode. Limit values for voltage and current are adjustable. It is also possible to load dynamically with a list of up to 100 setpoints. An automatic data acquisition function makes it possible to store 100 setpoints (time, voltage and current) of all channels internally.
There is a range of interface options. Ethernet, USB, RS-232 are standard. Optional are: analog I/O, CAN and GPIB. Via SCPI the load can be controlled and read out remotely. LabVIEW drivers are available for the devices.
Applications include calibration of output voltages on driver outputs, simulation of consumers on the on-board grid and usage testing of batteries and accumulators. The H&H PMLA can also be used for testing cables and wiring harnesses, dc/dc converters, fuses and switch-disconnectors, dampers, circuit boards, motor management systems and sensors.
Because the inputs are galvanically isolated, they can easily be configured for multi-channel Burn-In setups.
Open the datasheet for detailed specifications of this product.
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"The ABB Power Grids Jumet organisation is an innovative development and production facility of ABB that manufactures active filters and battery energy storage systems to support a stable grid. To test these systems we have acquired two Cinergia GE/EL +120kVA eplus units capable of doing grid emulation (AC + DC), operating as an electronic load (AC +DC) and being a battery emulator. We have experienced very good support from TTMS in obtaining these two Cinergia units. This included organising an on-site demonstration and supplying loan systems prior to the delivery of our final systems. This way we could start testing as early as possible. TTMS also organised training for the operators from the original manufacturer. This support allowed us to introduce the first battery energy storage systems even prior to the full delivery of the Cinergia systems."
University of Luxembourg
“At the Energy and Environment department of the Faculty of Science, Technology and Medicine (FSTM) of the University of Luxembourg we do have different research projects related to green energy contributing to the development of eco-cities. As a long-standing partner of our research unit, TT&MS has proven that they are able to answer even the most complex questions in a professional manner. They have shown that they are always up to date with the latest technology and do not spare any effort to look at the application and even the situation on site. The exchange of ideas was always very pleasant and took place quickly. We look forward to further years of fruitful cooperation.”
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