This converter system is built up with four identical six pulse thyristor modules of 36 MVA, arranged in two by two as 12-pulse units. Each unit, with 2 modules, can be operated in different connection modes: single, parallel, series or anti-parallel.
Two units can be connected in parallel or anti-parallel resulting in a total of eight configurations with currents up to 90 kA and voltages up to 3 kV. All of the DC isolator and configuration switches can be controlled from remote. Embedded software (EPLD’s) is applied for the electronic control and protection system. The regulation electronics can be controlled by limits and settings from remote. The input configuration is 2x12 pulse. Transformers are grouped two by two in one tank, outdoor, ONAN-cooled. The thyristors are arranged in stacks and cooled with water.
|Peak Power (Input)||145 MVA|
|Outputs system||90 kA, 1.5 kV (2 Quadrant)|
|22.5 kA, 3. kV (4 Quadrant)|
|Outputs unit||45 kA, 1.5 kV (2 Quadrant|
|22.5 kA, 1.5 kV (4 Quadrant)|
|Location||Garching München, Germany|
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