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Land Drilling Rig: Packages, SCR Drives, Retrofitting

2015-07-26 10:37      Click£ºtimes

Land rig123.net' target='_blank'>Drilling rig123.net' target='_blank'>Rig: Packages, SCR Drives, Retrofitting

LAND DRILLING RIG – SUPPLY SCR DRIVES – Provided ABB DCS800 SCR drives to operate at the North Slope

  • Engineering challenges included environmental, space constraints, input voltage constraints, harmonic levels
  • Packaged drives to operate on 480 VAC input but able to produce 750 VDC and 1100 Hp on GE 752 Hi Torque Motor

 


LAND DRILLING RIG – COMPLETE RIG PACKAGE – VFD AND CONTROL HOUSE – Engineered, designed and manufactured a VFD control house for a 2000HP land rig

  • Modern generator controls using Woodward GCP controls; Basler DECS200  voltage regulators
  • interfacing to Caterpillar C32engines; a split DC bus arrangement with 4000 ADC rectifiers; SevenSiemens 1000 HP inverters; Square D MCC; Siemens PLC and HMI system; a Drillers Console; Dynamic Braking; Integrated control system with Kinetic Energy Management “Crown and Floor Saver”
  • Features of the control system included AutoDrill for all drilling operations

 

LAND DRILLING RIG – RETROFIT SCR HOUSE – Engineered and designed a SCR control house for retrofitting on an existing dessert land rig

  • The new SCR system consisted of:
  • A Ross Hill Model 1400 system (3X4)
  • An Allen Bradley Control Logix PLC control system
  • Allen Bradley Panel View for diagnostics and operational control
  • A GE MCC (Motor Control Center)
  • Designed for extreme temperature duty of 55 degree C ambient

 


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