ELECTRICAL DESIGN
9
Deliverable modules
3
Design phases
30+
Drawing types
IEC
Standards basis
TOOLS & TECHNOLOGY
Comprehensive electrical engineering solutions for safe and efficient operations
We provide detailed electrical engineering services covering system design, analysis, and documentation. Our solutions are focused on reliability, safety, and compliance with industry standards across industrial and infrastructure projects.
Concept & System Design - Basis of design, power philosophy, voltage levels
- Basis of electrical design document
- Voltage level selection (HV/MV/LV)
- Redundancy and reliability criteria
- Power balance & demand forecast
- Power supply philosophy
- Substation concept & configuration
- Fault level calculations
- Grid interconnection requirements
Single Line Diagram - HV/LV network topology, bus arrangement
- HV switchgear SLD
- Generator & UPS SLD
- Bus configuration (single/double bus)
- Load grouping & feeder schedule
- MV/LV distribution SLD
- Transformer connection diagram
- Tie & incomer arrangement
- Earthing system representation
Protection & Control - Relay schemes, interlock logic, SCADA interface
- Overcurrent & earth fault protection
- Distance protection (HV feeders)
- Interlock & permissive diagrams
- Control panel schematic diagrams
- Differential protection (transformers)
- Motor protection relay logic
- SCADA & DCS interface I/O
- Arc flash & zone protection
Equipment Selection - Data sheets for HV/LV equipment, hazardous area Ex selection
- Basis of electrical design document
- Voltage level selection (HV/MV/LV)
- Redundancy and reliability criteria
- Power balance & demand forecast
- Power supply philosophy
- Substation concept & configuration
- Fault level calculations
- Grid interconnection requirements
Specifications - Technical specs for procurement packages
- HV GIS / AIS switchgear spec
- LV switchboard & MCC spec
- Earthing & bonding material spec
- Lighting & small power spec
- Transformer procurement spec
- Cable supply specification
- Ex equipment procurement spec
- Instrumentation supply spec
Utility & Load List - Load schedule, utility list, cable list
- Electrical load list (connected / demand)
- Cable schedule (from/to, size, route)
- Trench / tray fill calculation
- Motor list with ratings
- Utility consumption list
- Cable drum schedule
- Equipment numbering register
- Panel schedule / feeder list
Layout Drawings - Equipment, cable trays, earthing, lighting layouts
- Electrical equipment layout (substation)
- Plant earthing grid layout
- Lighting layout (indoor/outdoor)
- Hazardous area equipment location
- Cable trench & tray layout
- Equipment earthing layout
- Area classification drawing
- Small power & socket layout
Wiring Diagrams - Interconnection & terminal wiring diagrams
- Interconnection diagrams (cable block)
- Control panel internal wiring
- Instrument loop diagrams
- MCC control wiring diagrams
- Terminal block wiring diagrams
- Junction box schedule
- Earthing continuity diagrams
- Emergency shutdown (ESD) wiring
Lightning Protection - LPS design, surge coordination, zone of protection
- Lightning protection system (LPS) design
- Air termination & down conductor layout
- Surge protection device (SPD) selection
- Lightning protection layout drawing
- Rolling sphere / mesh method analysis
- Earth termination system design
- EMC & bonding coordination
- Risk assessment per IEC 62305