CIGRE Paris 2024

What is the importance of Fault Ride through

• To protect the power system

• To protect the generating equipment

• To protect the transformer

• To protect the transmission line

In the Netherland situation, the SCADA breaker status indicated the wrong position. There was a blackout incident In Malaysia where an indicator error was an initial trigger to a blackout. Which incident was this?

• Port Klang 2005

• JMJG 2006

• Paka 1996

• Yong Peng North 2022

What is the fault level of TNB 132kV?

• 8.6kA

• 32kA

• 40kA

• 32kV

The initial trigger alone in India's and Brazil's situation was not sufficient to cause large disturbance to their respective power systems. What caused the situation to worsen?

• Protection relay did not operate

• insufficient System inertia

• Incorrect switching

• Inverter did not respond according to the model simulation

What is TNB's 275kV fault level?

• 30kA

• 50kA

• 25kA

• 40kA

SF6 has a atmospheric lifespan of how many years?

• 3 years

• 3000 years

• 300 years

• 30 years

In the Poland large disturbance, the generators did not trip initially from the incorrect switching to earth. The generators did not trip initially because of?

• System inertia

• Fault ride through

• SOTF

• Transient fault