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New Developments in RET Technology - Feb/March 2021
Resistor-Equipped Transistors (RETs) – also known as digital transistors or pre-bias transistors – offer many benefits, including saving space, reducing manufacturing costs and increased...
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Power Electronics Europe Issue Archive
 
Issue 7 – October 2009 - INVERTER DESIGN - Shunt Current Measuring up to 800A in the Inverter
October 16, 2009
In 2005, Siemens Drive Technologies introduced the first large inverter using shunts for phase current measuring and brought it into series production. It wasn’t until recently that the power output was extended to 132kW with the new SINAMICS G120 series. Back then, the joint development between Siemens, Semikron and abellenhütte laid the foundations for being able to measure currents of up to 800A today. This article looks back at past events and takes a glimpse into the future: how was this technological change successful and what possibilities do future developments have to offer?
 
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