• About CONTRELEC
• AC & DC Module Repair
• Hill Graham Spare Parts
• Module Health Check
• SCR Systems
• SCRLogic Training Simulator
• Troubleshooting
• Engineering Design
• PLC Programming
• Versapanel
• Manuals & Procedures
• Calculators
• Contact Us

• AF Module CPU Replacement
• AF Module LCD Meters
• Jack-Up Upgrade
• SCR Replacement
• Land Rig PCR
• SCR Training House
• Surge Suppression
• Air Starter Panels
• Automatic Door Testing Unit

• FutureNet DASH

• SCRLogic Training Simulator
• Versapanel
• How to Commission a Generator Section
• Power Factor Correction for Drilling Rigs
• SCR Systems
• Calculations
• Troubleshooting Mud Pump Field Supplies
• Troubleshooting Power Limit Problems

Watts from Horsepower

Curiously, there are three different conversion factors for horsepower: electrical, mechanical and metric.