TWINVEY Electric Consultancy
TWINVEY Electric Consultancy
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Power System Studies

Detailed Design Services including FEED

Detailed Design Services including FEED

Detailed Design Services including FEED

  •  Load Flow, voltage drop and short circuit analysis using computer software [IEC, ANSI]
  • Relay setting calculations and Protection Coordination study [IEC, ESI]
  • Arc Flash Hazard Analysis and Arc-flash labelling
  • Insulation Coordination & Switching surges studies
  • Earthing design calculations [IEEE80]
  • Lightning Protection calculations [IEC62305]
  • Substation Equipment sizing calculations
  • Cable sizing calculations
  • Cable schedules and control cable termination schedules
  • Sag &Tension calculations for distribution system over-head lines
  • Cable ladder/tray sizing and route layout design
  • Lighting design calculations

Specialized Study Services

Detailed Design Services including FEED

Detailed Design Services including FEED

  • Live Line Testing for recording relay responses to High Impedance fault detection
  • Earthing Tests for Power Plants, Utility and Industrial substations (MV to EHV systems)
  • Power Quality measurements and analysis
  • Arc flash energy & boundary calculations, labels and Worker’s PPE recommendations
  • Current Limiter applications in electrical networks
  • Field Analysis e.g. equipment leakage current compliance to relevant Standards, cause
  • of fire / overheating in capacitor bank / de-tuning reactor panels, fan motor starting etc.
  • HAZOP Studies 

Field Services

Detailed Design Services including FEED

Inspection Services

  • Soil resistivity measurement [Wenner Method and IEEE80]
  • Ground Potential Rise (GPR), Step & Touch Potential measurements [IEEE81]
  • Harmonic measurements [IEEE519]
  • Cable route survey
  • Site survey for electrical and mechanical utilities
  • Site supervision for installation of Earthing and Lightning system
  • Site supervision of electrical works for LV and MV systems including for cabling works
  • Site supervision for HVAC and fire-fighting installation works 

Inspection Services

Inspection Services

Inspection Services

  • Onsite protection issues resolving
  • Third-party inspection of MV/LV system installations
  • Independent provider of Root Cause Analysis (RCA) for technical issues (Electrical & Mechanical)
  • Factory inspection visits for attending Factory Acceptance Test (FAT).
  • Electrical Safety Audits 

Solar PV System

Inspection Services

Solar PV System

  • Site assessment study to design the PV solar system.
  • Design of Solar PV system (sizing and selection of PV system)
  • Power System Study (Load flow, Short circuit, Protection settings and Harmonics      etc.) related to Solar PV system.
  • Third Party Supervision, Inspection and Witness for testing of Solar PV system.
  • Liaising with Local Authority for obtaining Solar permit approval on behalf of client.

Liaising Services

Inspection Services

Solar PV System

TWINVEY undertakes the following liaising services: 

 Liaising work with Utilities for the Consumers: Obtaining NOC for additional power (which includes site survey and understanding electrical system) and Obtaining approvals for Distribution system drawings (Single Line Diagram, Layouts, Load Schedule, Cable route drawings etc.)  

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