The picture on the side shows a customer specific solution of TT&MS BV where a 10 kW DC power supply from Magna-Power, adjustable between 0-800 Vdc, is used as a battery emulator. The special EV connectors are equipped with a safety interlock which in turn is connected to the interlock circuit of the DC power supply.

One of the main reasons is that a “real” battery is not always available. Moreover, in this case it is not necessary to take into account the relatively long charge/discharge times, possibly by adjusting the battery configuration (series/parallel). This offers a great advantage in terms of test time and flexibility.

Battery / battery voltage, electrical power, SOC (state of charge) are important characteristics of an energy storage device such as a battery or accu. For this, a battery emulator in the form of an adjustable, programmable, DC power supply can offer a huge solution. In addition to a variable output voltage, there are also battery emulators where, in addition to the Ri, the full, bidirectional battery can also be programmed.

We can build these cabinets with voltages up to 1500V and for any desired power.

Please contact one of our consultants for more information.


Arnold Memelink

Arnold Memelink


"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

Sasan Rafii-Tabrizi

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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