Power supply systems for semiconductor tests in the laboratory.
On an energy campus in Franconia a group of researchers were equipping laboratories for semiconductor tests. Here among other things IGBTs, electrical drives and all kinds of inverters were to be tested – especially for the automotive industry. Reliable power supply systems were needed for a wide range of tests.
Voltage ranges:
Schulz-Electronic has both the experience and the know-how to meet researchers’ requirements for special power supply solutions. Based on the compact, modular and versatile devices offered by Schulz-Electronic, an optimal solution was found and we won the public call for tender.
The laboratories are now using a bidirectional DC system and an AC-capable network simulation system. For the DC source-sink and the programmable AC system with a feedback option, each rack was equipped with 3 bidirectional DC power supplies type TC.GSS with 32 kW and 600 V, and two four-quadrant- capable AC systems type TC.ACS, each with a 50 kVA output, mounted in a rack (completely connection ready, including piping for water cooling and signal lights).
In order to be able to change all the parameters, the DUT is supplied by the network simulator. The DC output voltage is fed again into another network simulator with the help of the DC test system. This enables the network side to be simulated.
Another benefit for the scientists: all units are configured to enable them to operate in parallel.
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