1278516991595a1267106724867-brochure-o-wartsila-solutions-2015

ELECTRICAL & AUTOMATIONCapacitorsBus barControl panelLaminated busbarBrakechopperWater coolingIGBT stacksMotor breakerDiode stacksCommutating reactorsSolid, blast-proof constructionWärtsilä Medium Voltage Power DriveThe new Medium Voltage Power Drive is specifi cally designed forthe marine market, accommodating higher power requirements forpropulsion, pumps, and compressors. The drive is designed toaccurately control speed, torque, and power for induction, permanentmagnet and synchronous machines.The drive is optimized for safe and reliable operation. It is extremelycompact and, compared to other solutions on the market today, hasnotable space and weight advantages.Together with Wärtsilä’s patented medium voltage Low LossConcept (LLC), the introduction of next generation medium voltagepower drives brings increased efficiency and redundancy to the largermarine electric propulsion market, with the added benefit of reducedweight and space requirements.Supply voltage6 600 VACMotor voltage6 000 VACMotor power 11 000 kW (pf > 0.88 and motor efficiency > 0.97)Apparent output power normal duty 13 000 kWMax. output frequency200 Hz (with derating)ControlVector control/PWM outputSwitchboard connectionDirect with LLC or propulsion transformerCooling methodWaterExternal cooling water10–38°C fresh waterProtectionIP32, IP44 on requestDimensions converter (mm) 5 100 x 1 200 x 2 370 (width x depth x height)Dimensions cooling unit (mm) 1 000 x 1 200 x 2 370 (width x depth x height)32