Power Systems Protection
- Introduction:
•Necessity of power system protection
•Principles of protective relays
•. Analysis of important protection parameters including speed , reliability
•Functioning of circuit breaker
•Main and backup protections
•Overlapping zone of protection
- Fault Analysis in Power System (review):
•Symmetrical faults
•Symmetrical components and unsymmetrical faults
- Protection Voltage and Current Transformers:
•Characteristics of current transformers
•model of current transformers
•Performance of current transformers
•Voltage (potential) transformers
- Overcurrent and Earth Protections:
•Types of overcurrent relays
•Operating principles of inverse overcurrent relays
•Earth fault and other overcurrent relays
•Coordination of inverse overcurrent relays
- Fuses:
•Definition and characteristics of fuses
•Functional classification of fuses
•Types of fuse
•Coordination principles
- Distance Protection:
•Operating principles of distance relays
•Construction of distance relay
•Types of distance relay
•Inputs of distance relay
•Coordination of distance relay
- Differential Protection:
•Current differential protection
•Differential protection principles
- Protection Voltage and Current Transformers:
•Characteristics of current transformers
•model of current transformers
•Performance of current transformers
•Voltage (potential) transformers