LV and HV Electrical Design

  • Electrical design from low voltage up to 33kV
  • Minor modification to full power system and network design
  • Substation communication and system engineering
  • Site surveys and audit inspections (both onshore and offshore)
  • Design verification
  • Grid connections
  • Integration of permanent and temporary power generation :
    • Diesel and gas generation (reciprocating and turbines) // CHP systems // Solar arrays // Wind turbines // Battery systems
  • Conceptual, front end and detailed design :
    • LV and HV Single line diagrams // Protection control and metering diagrams // Schematics and control diagrams // Design philosophies // Equipment and earthing layouts // Lighting design, calculation and layouts // Small power design and layouts // Load schedules // Cable calculations // Cable schedules // Cable routings // Detail drawings // Material schedules
  • Equipment specification :
    • Switchgear (Switchboards and MCC’s) // Power generation // Transformers // UPS and battery charger systems // Motors (induction and synchronous) // Electrical heating systems // Packaged substation and equipment rooms

Earthing Design

  • Substation earthing design
  • Earthing layout drawings
  • Audits and site inspections of new and existing installations
  • Ground resistance testing
  • Earth potential rise, touch and step voltage calculation
  • Design and specification of earthing systems for low voltage up to 33kV systems in accordance with :
    • BS 7430 // BS EN 50522 // ENA TS 41-24 // ENA EREC S34 // ENA EREC S36

Power System Analysis

  • Power system modelling using ETAP, SKM-PTW, Electrical.OM software
  • Load flow analysis
  • Short circuit analysis
  • Protection coordination and discrimination
  • Arc flash analysis
  • Motor starting
  • Transient analysis
  • Harmonic analysis

Energy Efficiency

  • Site measurement, trending and analysis
  • Power factor correction
  • Integration of variable frequency convertor drives
  • Equipment optimization

Instrumentation and Control Engineering

  • Fire and gas systems
  • Plant control systems
  • Control and automation systems
  • Field instrumentation
  • Conceptual, front end and detailed design :
    • I/O schedules // Cause and effect schedules // Trip and alarm schedules // Loop diagrams // Hook up diagrams // Control architecture diagrams // Schematics and control diagrams // Control and system philosophies // Instrument sizing calculations // Instrument index schedules // Equipment layouts // Cable calculations // Cable schedules // Cable routings // Detail drawings // Material schedules
  • Equipment specification :
    • Plant control systems (PCS) // Distributed control systems (DCS) // Safety instrumented systems (SIS) // Fire and gas systems (F&G) // Field instrumentation // Control and ESD valves

Hazardous Area Design

  • Onshore and offshore design
  • Site surveys and audit inspections (both onshore and offshore)
  • Equipment schedules
  • Inspection schedules

Installation, Testing and Commissioning

  • Site acceptance equipment testing
  • Factory acceptance equipment testing
  • Earthing system testing and verification
  • Through our carefully selected Subcontractors we can offer the following :
    • Electrical equipment / cabling (from LV up to 33kV) installation, testing and inspection
    • Electrical protection system testing and verification
    • Control and instrument equipment installation, testing and inspection

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