Electrical Signatures Analysis (ESA)

Technology

Voltage and current measurements enables us to…

  1. …fully analyze the power quality condition of the grid/VFD
  2. … thoroughly analyze the electric condition of the machine
  3. … analyze the electromechanical condition of the machine
  4. … roughly analyze the mechanical condition of the machine and drive-train
 

PRACTICAL APPROACH

  • Visual inspection
  • Technical information (part lists, drawings…)
  • Operator/maintenance briefing
  • Measurements with data validation
 
  • Waveform analysis
  • Power quality analysis (CF, FF, RMS, P, THD, PF…)
  • Spectral analysis (ES, SS, MS, CS with kinematic model)
  • Trending characteristics
 
  • Analysis, diagnosis and prognosis
  • Reporting (linking data with FMECA)
  • Communication with client
  • Confirmation and evaluation
 

REPORTING

Full range motion analysis of structural deflection in order to …

    • … find the resonances and other characteristic properties (stiffness/damping).
    • … map the detailed mode shapes of the scoped structure.
  •  
    • … know the exact relation between structural excitation and response.
 

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