ELECTRICAL SUBSTATION AND POWER PROJECT EXPERIENCE

ELECTRICAL DESIGN

  • Key One Line Development
  • Schematic Diagram Development
  • Material Cost Estimates (Cable, Grounding, Lighting, and Electrical Raceway)
  • Grounding Design
  • PDC Arrangement Drawings
  • Schematic Diagram Development
  • PDC Arrangement Drawings
  • Lighting Design
  • Grounding Layout and Design
  • Existing Switchgear Modification Packages
  • Wiring Diagram and Schematic Preparation
  • Point-to-Point Wiring
  • Connection Diagrams
  • Lighting Design

TECHNICAL EQUIPMENT SPECIFICATIONS

  • Medium Voltage Switchgear
  • Medium Voltage Motor Controllers
  • Low Voltage Motor Control Centers
  • Power Distribution Centers – (Electrical Equipment Shelters)
  • Station Service Transformers
  • 15kV Generator Switchgear
  • Arc-Resistant Low Voltage Switchgear with close coupled Motor Control Centers.
  • 15kV Air Disconnect Switches
  • 15kV Generator Cables
  • Redundant Generator Protection Relays.
  • Arc-Resistant Low Voltage Switchgear with close coupled Motor Control Centers.
  • Power Distribution Centers – (Electrical Equipment Shelters)
  • Unit Auxiliary Transformers
  • Low Voltage Unit Substations
  • Low Voltage Motor Control Centers
  • 125VDC Battery System with Battery Chargers and DC Distribution Equipment
  • Uninterruptible Power Supply System

Completed technical bid evaluations and review for the purchase of the following equipment

  • Complete 125VDC and 120V Vital AC System
  • Low Voltage Unit Substations
  • Complete 125VDC and 120V Vital AC System
  • Low Voltage Unit Substations
  • Generator Circuit Breakers
  • Low Voltage Motor Control Centers
  • Electric Heat Tracing
  • 125VDC Battery System
  • Uninterruptible Power Supply System
  • Low Voltage Motor Centers
  • Electric Heat Tracing Systems
  • Unit Auxiliary Transformers
  • Power Distribution Centers

CALCULATIONS AND STUDIES

  • Load Flow and Short Circuit Studies
  • Electrical Load Studies
  • Cable Ampacity Calculations
  • Grounding Grid Study and Evaluation
  • Lightning protection Study
  • Load Flow and Short Circuit Studies
  • Relay Coordination Calculation and Study
  • Arc Flash Hazard Analysis
  • Battery Sizing Calculations
  • UPS Sizing Calculations
  • Capacitive Line Charging Calculations
  • Power System Modeling with ETAP software
  • Generator Main Lead Sizing
  • Underground Cable Ampacity Calculations for Underground Ductbank Design
  • Battery Sizing Calculations
  • UPS Sizing Calculations
  • Arc Flash Hazard Calculations
  • Power System Modeling with ETAP Software
  • Load Flow and Short Circuit Studies
  • Cable Ampacity Calculations
  • Emergency AC Load Calculations (UPS Sizing)
  • Relay Settings for 5kV Switchgear and Controllers (SEL 351S, 351A relays, and GE 469 relays)
  • Relay Settings for Low Voltage Switchgear and Motor Control Centers (Eaton Digitrip Relays)
  • Arc Flash Hazard Analysis
  • Battery Sizing Calculations – DC Load Calculations
  • Relay Coordination Study
  • Relay Settings for Station Service Transformers (SEL 387E, and SEL 487 relays)
  • Relay Settings for 15kV Switchgear (SEL 351S, 351A relays, and GE 469 relays)