POWER SYSTEM TRANSIENTS

Report
EE 2027 - POWER SYSTEM
TRANSIENTS
SEM: VIII
YEAR: IV
DEPT: EEE
R.HARIHARAN
LECT/ EEE
1
EE2027 POWER SYSTEM TRANSIENTS
UNIT - 1
UNIT - 2
UNIT - 3
SWITCHING TRANSIENTS
• Effect of transients on power systems
• Importance of study of transients in
planning
• Resistance switching
• Observations in RLC circuit and basic
transforms of the RLC circuit
UNIT - 4
UNIT - 5
R.HARIHARAN, LECT / EEE
2
EE2027 POWER SYSTEM TRANSIENTS
LOAD SWITCHING
• Normal and abnormal switching
UNIT - 2
transients
• Current chopping
• Capacitance switching
UNIT - 3
• Effect of voltage regulation
UNIT - 1
UNIT - 4
UNIT - 5
R.HARIHARAN, LECT / EEE
3
EE2027 POWER SYSTEM TRANSIENTS
UNIT - 1
•
•
UNIT - 2
•
•
UNIT - 3 •
UNIT - 4
•
LIGHTNING TRANSIENTS
Causes of over voltage
Lightning phenomenon
Mechanisms of lighting strokes
Protection afforded by ground wires
Interaction between lightning and power
system
Mathematical model for lightning
UNIT - 5
R.HARIHARAN, LECT / EEE
4
EE2027 POWER SYSTEM TRANSIENTS
UNIT - 1
UNIT - 2
UNIT - 3
TRAVELLING WAVES ON TRANSMISSION
LINE AND TRANSIENTS
• Computation of transients
• Travelling wave concept
• Bewely’s lattice Diagram
• Reflection and refraction of travelling
waves
UNIT - 4
UNIT - 5
R.HARIHARAN, LECT / EEE
5
EE2027 POWER SYSTEM TRANSIENTS
UNIT - 1
UNIT - 2
UNIT - 3
UNIT - 4
UNIT - 5
TRANSIENTS IN INTEGRATED POWER
SYSTEM
• Distribution of voltage in a power
system
• Voltage transients on closing and
reclosing lines
• Switching surges on integrated
system
R.HARIHARAN, LECT / EEE
6
EE2027 POWER SYSTEM TRANSIENTS
TEXT BOOK
REFERENCE BOOK
R.HARIHARAN, LECT / EEE
7
EE2027 POWER SYSTEM TRANSIENTS
ASSIGNMENT TOPICS
• Capacitance switching
• Mathematical model for
lightning
• Bewley’s lattice
• EMTP for transient
computation
• Past university exam 2
marks
R.HARIHARAN, LECT / EEE
8
EE2027 POWER SYSTEM TRANSIENTS
SEMINAR TOPICS
•
•
•
•
•
Importance of transients
Ferro resonance
Protection against lightning transients
Classifications of transmission lines
Over voltage due to ground faults.
R.HARIHARAN, LECT / EEE
9

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