TORLAN ENGINEERING

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TORLAN ENGINEERING

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Engineering Service Lines

Protective Relaying and Studies

Protection & Control (P&C) Design

Protection & Control (P&C) Design

  • Load Flow Studies
  • Short-Circuit and Equipment Evaluation Studies
  • Relay Coordination Studies
  • Motor Starting Studies
  • Arc-Flash Hazard Studies
  • Protective Relay Settings: Microprocessor-based relaying (SEL, GE, Beckwith, etc.); Electromechanical relaying; Digital Secondary solutions (IEC 61850, SEL TiDL)
  • Protection Scheme Design: Generator Auto-Synchronism Schemes; Multi-Stage Capacitor Bank Switching Schemes; Automatic Transfer Schemes; Sectionalizing Schemes
  • Relay Database Management
  • NERC Compliance Studies: PRC-001, PRC-002, PRC-004, PRC-005, PRC-006, PRC-008, PRC-011, PRC-012, PRC-016, PRC-017, PRC-019, PRC-023, PRC-024, PRC-025, PRC-026, PRC-027.
  • Mis-Operation Event Analysis: 
  • Perform root cause analysis for mis-operations: Investigate events through event analysis and relay-playback using Comtrade event files; Develop and validate solution through relay-playback of original event report data in lab and on site; Develop and commission revised protective relay settings.

Protection & Control (P&C) Design

Protection & Control (P&C) Design

Protection & Control (P&C) Design

  • Development of relaying one line diagrams, panel layouts, three line diagrams, AC/DC schematics, wiring diagrams, cable schedules.
  • P&C design for new and existing/retrofit protection systems

Automation and SCADA Engineering

Protection & Control (P&C) Design

Equipment Evaluation & Planning Studies

  • Automation solutions for polling power system data and designing SCADA controls for SCADA Emergency Management System: Network Architecture Design; SCADA/HMI Design
  • Automated event report collection for PRC-002 and PRC-005 compliance.

Equipment Evaluation & Planning Studies

Equipment Evaluation & Planning Studies

Equipment Evaluation & Planning Studies

  • Breaker Short-Circuit Interrupting Rating Studies
  • Contingency-Based Load Flow Studies for Determining Continuous Ampacity Ratings
  • Feasibility Studies
  • Interconnection Studies
  • Front-End Engineering Design (FEED) Studies
  • Fuse Sizing Studies
  • Distribution Planning Studies
  • Rate Studies
  • Power Quality Studies

Testing & Commissioning

Equipment Evaluation & Planning Studies

Testing & Commissioning

  • Factory/Site Acceptance Testing (FAT/SAT) for validation of protection systems and scheme design.
  • NERC PRC-005 Maintenance Testing
  • Commissioning test plan development for validation of CT/PT connections, DC control circuitry, protective relays, protection schemes, and SCADA controls/polling
  • Mis-Operation Event Analysis through on-site investigation

Substation Design

Equipment Evaluation & Planning Studies

Testing & Commissioning

  • Development of below-grade and above-grade design packages.
  • Battery system sizing studies
  • Equipment Specifications
  • Ground Grid Design Studies
  • Lightning Protection and Grounding Studies

Training Sessions

Training Sessions

Training Sessions

  • Available to present customized training for professionals
  • Please contact us for details on available courses


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