NOV AC Ideal Rig Driller Control House

Power Type: AC (Alternating Current)

Power Distribution: 600V / 480V AC (common rig voltages)

Drives: Variable Frequency Drives (VFDs) for:

• Drawworks

• Mud Pumps

• Rotary Table / Top Drive

• Centrifugal Pumps

Motor Compatibility: AC induction motors

Drive Technology: PWM (Pulse Width Modulated) IGBT-based drives

Typical Components Inside

• MCC (Motor Control Center)

• VFD cabinets (multiple, typically ABB, Siemens, or proprietary NOV)

• PLC-based control system (often with touchscreen HMI)

• Air conditioning & positive pressure systems

• Power transformers and switchgear

• Communication interfaces (Ethernet, Modbus, etc.)