Podcast
Questions and Answers
What are the main components in power systems that require protection?
What are the main components in power systems that require protection?
- Generators, Capacitors, Switches, Cables, Induction Machines
- Generators, Transformers, Buses, Lines, Motors or Static Loads (correct)
- Rectifiers, Surge Arresters, Capacitors, Insulators, Circuit Breakers
- Reactors, Inverters, Relays, Conductors, Synchronous Machines
What may result in degradation in performance of insulators which may lead to breakdown and short circuits?
What may result in degradation in performance of insulators which may lead to breakdown and short circuits?
- High voltage fluctuations
- Mechanical wear and tear
- Aging and pollution (correct)
- Chemical reactions
What could cause overcurrent or overvoltages in power systems?
What could cause overcurrent or overvoltages in power systems?
- Routine maintenance, line switching, load shedding, capacitor bank switching
- Abnormalities such as aging, pollution, tree falling on overhead line, lightning strikes (correct)
- Generator synchronization, transformer tap changing, line re-conductoring, motor starting
- Frequency regulation, voltage control, power factor correction, harmonics filtering
What is the concept of short-circuit in power systems?
What is the concept of short-circuit in power systems?
What may cause a fault in a power system?
What may cause a fault in a power system?
What is the main purpose of power system protection?
What is the main purpose of power system protection?
What could cause insulation failure in a power system?
What could cause insulation failure in a power system?
Which component in a power system is susceptible to degradation from aging and pollution?
Which component in a power system is susceptible to degradation from aging and pollution?
What may cause a fault in a power system?
What may cause a fault in a power system?
What could lead to damage of power system components?
What could lead to damage of power system components?