Power System Protection Control & Analysis

At Wells Engineering, we take pride in having the ability to provide high-level problem-solving skills that render solution-based results.

Wells Engineering has provided power system protection engineering for power system generation, transmission, distribution, and utilization levels.  The core principles of our organization are driven by the highest standards and industry best practices.  These principles are well represented through the sound judgement of our Professional Engineering staff and delivered to our clients through our engineering and consulting services.

Our engineers have years of experience with protection control analysis, both electromechanical and digital, for several OEM’s including the following: ABB Westinghouse, Eaton Westinghouse, GE Alstom, GE Multilin, Cooper, Basler, Schweitzer and Square D.

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Protection Control PDF

TRANSMISSION LINE PROTECTION

  • Line Differential
  • Phase Comparison
  • Coordinated Directional Ground OC
  • Distance Protection

TRANSFORMER PROTECTION

  • Current Differential
  • Overcurrent Overload
  • Secondary Breakers
  • Switches & Reclosers
  • Sudden Pressure
  • Over Temperature

BUS & MOTOR PROTECTION

  • High and Low Impedance Differential
  • Zone Interlocked Schemes
  • Induction
  • Synchronous

DISTRIBUTION SYSTEM PROTECTION

  • Overcurrent Relays
  • Reclosers
  • Fuses
  • System Communication

GENERATOR PROTECTION

  • Current Differential
  • Current and Voltage Unbalance
  • Field and Rotor Protection Schemes
  • Thermal Protection
  • Vibration Sensing
  • Black Start Schemes

LV PROTECTION

  • Overcurrent Settings
  • Bus Protection & Zone Interlock
  • Arc Flash Protection Relays
  • Auto Transfer Schemes