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power system protection

Power System Protection

Power System Protection

• Protection concepts
• main and backup protection
• security and dependability
• selectivity
• Protection types
• fuses
• overcurrent protection
• differential protection
• distance protection
• Protection technologies
• Protection philosophies
• Protection setting plans


Introduction to power systems
• Network topologies
• Smart Grids
• Renewable energy sources
• System grounding
• Behavior of power systems under fault conditions (introduction)
• Power system calculations


Power system and power system protection calculations
• Modelling of power systems
• Type of power system calculations
• Symmetrical component method
• Short circuit calculations
• Protection coordination studies
• Arc flash studies (introduction)

Use of software programs for fault calculations (demonstration)
• Demonstration of PowerFactory
• Demonstration of ETAP

Protection Technologies
• Electromechanical
• Static
• Digital
• Operation of digital relays
• Protection algorithms

Instrument transformers
• Current transformers
• Voltage transformers
• Non conventional instrument transformers

Circuit breakers
• Types
• Specifications

Protection of power transformers
• Guidelines for protection of power transformers
• Protection concepts for power transformers
• Protection equipment typically used for power transformers
• Setting guidelines
    • fuses
    • overcurrent protection
    • transformer differential protection
    • restricted earth fault protection

Protection of power cables and lines
• Guidelines for protection of power cables and lines
• Protection concepts for power cables and lines
• Protection equipment typically used for power cables and lines
• Overcurrent protection
    • setting guidelines
• Distance protection
• Differential protection

Distance protection
• Operating principles
• Trip characteristic types
• Power Swing Blocking

Protection of substations
• Guidelines for protection of substations
• Protection concepts for substations
• Protection equipment typically used for substations
• Setting guidelines
• Busbar protection
    • low impedance differential protection
    • high impedance differential protection
    • arc detection

Protection of motors
• Guidelines for protection of motors
• Protection concepts for motors
• Protection equipment typically used for motors
• Setting guidelines
    • thermal overload
    • starting protection
    • load jam protection
    • locked rotor protection

Special protection functions
• Switch onto fault protection
• Supervision of instrument transformers
• Trip circuit supervision
• Auto-reclose

Protection of generators
• Operating diagram
• Protection devices

Arc flash studies
• Safety
• Standards
• Execution of an arc flash study

Frequency and voltage protection
• From components to system protection
• System disturbance
• Frequency protection
• Voltage protection

Wide area protection

Protection of HVDC networks
• Protection concepts for HVDC networks
• Protection of point-to-point HVDC connections
• Protection of meshed HVDC networks
• DC breakers
    • need for DC breakers
    • latest development

Relay setting management
• Demonstration of setting software
• Relay logic

Testing of power system protections
• Standards
• Test plan development
• Test equipment
• Closed loop versus open loop testing
• Examples of test plans
• Commissioning test sheets

Failure investigations
• Approach
• Tools


IEC 61850
• The digital substation
• Introduction to the IEC 61850 Standard
• Engineering of protection system using IEC 61850
• Testing of power system protection systems based on IEC 61850
• Points of attention when applying IEC 61850 Standard
• Conformance

Trends in power system protection
• Unconventional instrument transformers
• Adaptive protections
• Wide area protection
• IEC 61850
• The digital substation
• Distribution automation

Protection of power systems with high degree of renewable energy resources
• Impact of renewable energy sources on classical protection concepts
• Protection of wind turbines
• Protection of solar power plants
• Separate standard for PV fuses

Contact:          George Ralston - Principal Consultant
Email:              george@georgeralston.com
Telephone:    +39 331 802 9277
Copyright © 2016 - All Rights Reserved 

​EPCI Solutions LLC is a Texas registered Company
Operations in USA, Canada and Western Europe.
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  • Home
  • CONSULTANCY & MANAGEMENT
    • Front End Loading
    • Business Plan Development
    • Project Management
    • Contract Management
    • Independent Project Reviews (IPRs)
    • Dispute Resolution
    • Contracts
  • EPC SERVICES
    • Engineering and Design Services
    • Procurement Support
    • Field Engineering
    • Commissioning
    • Document Management
  • INNOVATION
  • OFFSHORE WIND
  • MARINE / OFFSHORE
  • ONSHORE
  • Journal
    • Consultancy Journal Archive
    • EPC Journal Archive
    • Drafts
  • About & Contact
    • Charge Rate Structure