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 Power System Protection and Reliability (E6082) QR Code

Power System Protection and Reliability

Overview:

Introduction:

This course provides a comprehensive understanding of the principles of Digital Power System Relaying and Protection Applications. This training course will help the participants in testing, operating, and adjusting protective relay. Participants will understand the reliability and availability of power systems networks, proactive module to protect the power system network to work safely and efficiently

Course Objectives:

At the end of this course the participants will be able to:

  • Understand power protection devices
  • Understand faults system and types
  • Control system reliability and PD analysis
  • Load types and network availability
  • Learn Fundamental Principles of Power System Protection

Targeted Audience:

  • Electrical Power System Engineers
  • Electrical Technician
  • All engineers and tech work in substations, power systems, and electrical companies (generation, transmission, dist.)
  • For managers to understand the effect of power factor correction with cost
  • Anyone who requires an understanding of the principles of protective relaying such as recent graduates or those who are new to the industry. Also beneficial as an update on the latest relaying technology

Course Outlines:

Unit 1: Voltage Sags and Interruptions:

  • Power quality definition and basics
  • Quantifying power quality
  • ITI curve
  • Causes of voltage sags
  • Causes of interruptions
  • Mitigation methods

Unit 2: Transient Voltage Excursions:

  • Motor starting
  • Switching and traveling waves
  • Capacitor switching
  • Lightning
  • Lightning shielding and grounding
  • Ferroresonance

Unit 3: Reliability Indices, Effects of Fault Clearing on Power Quality:

  • IEEE-defined reliability indices
  • Interpreting reliability indices
  • Fault clearing
  • Reclosing strategies
  • Fuse saving philosophy
  • Fuse blowing philosophy

Unit 4: Insulation Coordination, Arresters, and Steady-State Voltage Regulation:

  • Basic impulse level
  • Insulation systems
  • Insulation testing
  • Arrester selection and application
  • Load tap changers and voltage regulators
  • Effects of steady-state voltage on system operation

Unit 5: Harmonics:

  • Fundamentals of harmonics
  • Causes and effects of harmonics
  • AC power and power factor
  • Mitigating harmonic effects
  • K-factor transformers
  • Harmonic filters

Unit 6: Symmetrical Components and Sequence Networks:

  • Protection introduction
  • Phasor math
  • Per-unit calculations
  • Symmetrical components
  • Sequence networks
  • Fault modeling

Unit 7: Electromechanical and Digital Relays, Relay Schemes for Radial Systems, Time-Coordinated Overcurrent Protection:

  • Electromechanical relay operating principles
  • Microprocessor-based relay implementation
  • Instantaneous and time overcurrent relays
  • Reclosers and sectionalizes
  • Time-current curves
  • Device coordination

Unit 8: Relay Schemes for Networked Systems and Device Protection:

  • Distance relays
  • Distance relays with pilot protection
  • Differential relays
  • Differential relays for bus protection
  • Differential relays for generator protection
  • Differential relays for transformer protection

Unit 9: Effect of Protection on Reliability:

  • Reliability indices
  • Fault clearing time and reclosing
  • Effects of nearby faults
  • Fuse saving strategy
  • Fuse blowing strategy
  • Intelligent protective devices

Unit 10: Arc Flash Hazard and a Look to the Future:

  • Shock hazard versus burn/blast hazard
  • IEEE 1584 and NFPA 70E
  • Personal protective equipment
  • Hazard labeling
  • A look to the future: communication-based overcurrent protection
  • A look to the future: intelligent sectionalizing

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