Schlumberger

Medium-Voltage Variable Speed Drives

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Pump control for ESPs and other surface pumping systems

The SpeedStar MVD medium-voltage variable speed drive (VSD) is designed for the control of ESPs and other surface electric motor-driven applications. Suitable for indoor or outdoor use, both versions come standard with a visible fused disconnect switch, precharge circuitry, and sine wave output filter tailored for controlling and protecting high-horsepower ESPs.

SpeedStar MVD VSD

The indoor VSD has an integral 24-pulse input isolation transformer.

The outdoor VSD package—the first in the industry—has an integral 36-pulse input isolation transformer and unlike all indoor MVDs, does not require installation in a climate-controlled environment.

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