Apr 16, 2024  
2020-2021 Undergraduate Academic Catalog 
2020-2021 Undergraduate Academic Catalog [ARCHIVED CATALOG]

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EE 5451 - Bulk Electric System Stability and Control

3 lecture hours 0 lab hours 3 credits
Course Description
Recent Bulk Electric System disturbances are reviewed, and relevant stability issues that arose are studied via dynamic power system simulations. A disturbance could be as minor as a frequency deviation resulting from the sudden loss of generation or load, or as severe as a wide area blackout. Topics include frequency and angular stability, voltage stability, protection system impacts on stability, and frequency and voltage regulation techniques. (prereq: EE 3401  or equivalent, or by instructor permission)
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Apply N-1 operating criteria to simulated power systems
  • Simulate the impact of delayed fault clearing on system stability
  • Simulate the impact of UnderFrequency Load Shedding (UFLS) systems on system stability
  • Calculate generator governor frequency response
  • Simulate generator governor response
  • Simulate the impact of generator or load loss on system frequency
  • Calculate area control error (ACE) for a balancing authority area
  • Understand the importance of spinning and supplemental reserves
  • Simulate inductor impacts
  • Simulate capacitor impacts
  • Simulate generator impacts
  • Simulate load impacts
  • Create PV and QV curves
  • Calculate the theoretical maximum power transfer between two buses
  • Simulate loss of synchronism due to exceeding the maximum power transfer between two buses

Prerequisites by Topic
  • Ohm’s law
  • Kirchoff’s current law
  • Kirchoff’s voltage law
  • Passive sign convention
  • Complex numbers
  • Frequency domain concepts: phasors and impedance
  • AC circuit analysis
  • Complex power
  • Three-phase balanced systems
  • Transformers
  • Synchronous machines

Course Topics
  • Frequency control
  • Voltage control
  • N-1 operating criteria
  • Supervisory control and data acquisition (SCADA)
  • State estimators (SE) and real-time contingency analysis (RTCA)
  • Maximum power transfer – angular stability
  • Transmission system protection schemes
  • Situational awareness
  • Capacitor compensation – shunt and series
  • Inductor compensation
  • Static VAR compensation
  • Synchrophasors and FNET
  • Standing phase angles
  • Cyber attacks
  • The list of disturbance reports will change over time

Dr. Luke Weber

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