SCR & VFD system repair

SCR/VFD System Services include:

Engineering & design

  • Electrical Switch gear, SCR fractional to 3200HP, VFD fractional to 4000 HP, Control interface, Generator controls.
  • Control Consoles, networking, instrumentation, consoles and panels and motor control centers.
  • Rig Monitoring Instrumentation for mud monitoring, drilling data acquisition, trending, and rig operation verification.


  • PLC/HMI hardware and software design, modification and troubleshooting. (Siemens,Rosshill, Wago, Allen-Bradley, NI, Omron, Automation Direct, Infilink, and GE).
  • VFD interface and programming(ConverTeam, ABB, Unico, Siemens, and Emerson).
  • Controls and software to upgrade existing systems regardless of the existing VFD or Equipment.
  • A wide variety of control options are available from a fully encompassing cyber control chair to the basic drillers control console.
  • Variety of applications available from cranes, drilling rigs, and Dredging.

System upgrades

  • SCR control houses
  • VFD control houses
  • Field modifications on existing equipment
  • Refurbishing existing equipment

Install, rig up & commissioning

  • Troubleshooting & repair
  • Equipment field installations
  • Land & marine rigs

Training courses for control system, AC/DC drives and PLC/HMI.

  • Basic to advanced electrical controls and theory, Basic to Advanced generator control theory, Basic to advanced SCR theory, Basic to advanced VFD theory, Basic to advanced PLC theory and programming.


SCR/VFD System includes brands:

  • Rosshill SCR/VFD System & Mcc Panels
  • Hillgram SCR/VFD System & Mcc Panels Used In Offshore.
  • HHCT SCR/VFD System & Mcc Panels
  • SLITION SCR/VFD System & Mcc Panels
  • BOMAY  SCR/VFD System & Mcc Panels
  • Bhel Ac & Dc Pcr,air Conditioning System
  • Righill SCR System , AC & DC PCR.
  • Automatic control Ross hill SCR + IDM SCR
  • National Oilwell Varco (NOV) Ross Hill RHC-1400
  • SIMENSE,GE,ABB inverter + Yaskawa G5 inverters