Power System II - Full Scanned Lecture Notes for GATE Exams

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Power System II


Hand Written Materials from Reputed Institutions and Faculties
Power System I Full Scanned hand written Lecture Notes for GATE Exams for the Department of Electrical Engineering.

Content :
  • Per unit method
  • Single line diagram and its significance
  • Reactance diagram
  • Fault analysis
    1. Symmetrical fault analysis
    2. Unsymmetrical fault analysis
  • Element deletion
  • Short circuit
  • Frequency occurring faults (earth faults)
  • Symmetrical components
    1. Positive sequence components
    2. Negative sequence components3. Zero sequence components
  • Sequence network
  • Formulae for sequence voltage
  • Line to line faults
  • Line to ground fault
  • Fault analysis using z-bus
  • Economic dispatch (ED)
  • Method of lagrangian
  • Considering losses (penalty factor method)
  • Loss equation
  • Power system stability
  • Forms of stability
    1. Small signal analysis
    2. Large signal analysis\transient state stability analysis
  • Small signal analysis
  • 1. Steady state stability analysis
  • 2. Dynamic state stability analysis
  • Stability limit
  • Voltage stability (Q-V curve)
  • Swing equation
  • Multi machine
  • Equal area criterian (EAN)
  • Application of EAC
  • Methods to improve transient stability
  • Switchgear & protection
    1. Circuit breaker 2. Relays 3. Lighting arrestors 4. Fuse
  • Arc interruption
  • Time multiplier setting (TMS)
  • Over current protection of radial feeders
    1. Time graded method
    2. Current graded method
  • Differential protection of xr
  • Distance protection
  • 3-zone of protection
  • Types of distance relays
    1. Impedence relay 2. Reactance relay 3. Admittance (or) mho relay
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