10 Questions
Which diesel generator set will start when the voltages at the emergency bus bars drop below 0.7VN?
Both generator sets will start
Which voltage transformers are used to sense undervoltages at the emergency bus bars?
00BBC and 00BBD
What is the method of control for the pre-selected diesel generator set?
Programmable logic controller (PLC)
What happens if one of the diesel generator sets fails to start?
The pre-selection automatically changes to the other generator set
When will the second diesel generator set shutdown automatically after starting?
If it fails to synchronize within 3 minutes
What is the minimum voltage level at which the diesel generator sets will start?
0.7VN
How are the diesel generator sets connected to the 6.6kV busbar?
Through their diesel generator circuit breaker
What will happen if the second BSDG fails to start?
The other DG will be connected to the 6.6kV busbar
When will the second BSDG shutdown automatically if not synchronized?
Within 3 minutes after start
What is the condition for considering the Emergency Power Supply to be in operation?
Voltage >min for more than 5 seconds
Test your knowledge of emergency power supply systems with this quiz! Learn about how diesel generator sets are activated, how undervoltages are detected, and how programmable logic controllers are used in emergency power supply setups.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
