NOV SCR House 4×4

NOV SCR House 4×4 – Specifications & Purpose

Manufacturer:
National Oilwell Varco (NOV)

Equipment Type:
SCR (Silicon Controlled Rectifier) Drive Control House
Configuration: 4×4

What “4×4” Means

In SCR house naming, “4×4” typically refers to:

• Four SCR modules per phase

• Four incoming feeder sections This translates to a robust SCR power conversion setup capable of handling large drives and variable speed control for:

• Electric mud pumps

• Drawworks drives

• Top drive motors

• Other large AC loads

Primary Function

An SCR House conditions incoming AC power and supplies controlled DC/variable frequency output to:

• AC motors via SCR-based variable speed drives

• Soft start and torque control systems

• Load sharing across motors

• Reduced electrical stress on generators