Power Control Rooms for Drilling Rigs
Power Control Rooms come in two main types. VFD controls for AC driven equipment and SCR controls for DC driven equipment. We recommend VFD based systems for lower maintenance and precise low speed control at full torque.
Why choose VFD based PCRs
VFD systems let you operate mud pumps and the top drive at very low or near zero RPM while keeping full torque and pressure. This improves drilling control, reduces wear, and lowers non productive time.
VFD vs SCR comparison
| Topic | VFD controls AC | SCR controls DC |
|---|---|---|
| Maintenance | Low | Moderate to high |
| Low speed control | Excellent at full torque | Good but less precise at very low RPM |
| Energy efficiency | High with potential regeneration | Moderate |
| Torque response | Fast and precise | Good but less dynamic |
| Heat and footprint | Typically smaller and cooler | Larger rectifiers and higher heat load |
| Best use cases | Top drive and mud pumps needing smooth low RPM | Legacy DC fleets and retrofit scenarios |
| Operator experience | Smooth starts and fine set points | Familiar on older rigs |
Sourcing and build options
We offer power control rooms from Italy, Germany, USA and China with engineering support for sizing, cooling, protection, and integration.
