Studies

Depending on the type of network, certain networks require a high degree of analysis. This can be a challenging process even for experienced engineers. At SG Power Distribution, we have the expertise to deliver the specialist studies required. 

Protection

  • Transformer and switchgear protection
  • ETAP, DigSILENT
  • Differential, earth fault, over current, inter-trip, distant, back-up, NVD etc.
  • Protection grading and settings

Earthing

  • Earth mesh grid selection
  • Earthing analysis and report
  • HOT and COLD sites – Surface voltage contour plans
  • Secondary and Primary substations

Load Flow & Fault

  • Load flow studies
  • IEC60909 fault studies
  • Network modelling

Power quality analysis

  • G5-5, harmonics
  • P28 voltage fluctuations
  • P29 voltage unbalanced

LV Analysis

  • Load analysis
  • Protection coordination
  • Voltage, earth loop impedance, Prospective short circuit current
  • LV tails

Generation

  • Voltage rise
  • Fault contribution
  • Protection operation
  • G99, G100