Electronic Power Reliability

Quiz Question

1. In the context of electric system reliability, risk is the likelihood that an operating event will reduce the reliability of the Interconnection to the point that the consequences are unacceptable.
True
False
2. Plausibility is an attribute of __________ contingency?
Credible
Critical
Common
Uncommon
3. Examples of single-element contingencies include :
Single phase-to ground faults
Phase-to-phase faults
Three-phase faults
Generator failures
All of the above
4.

Consequences that are unacceptable in some situations are acceptable in others and vice versa. It depends on the nature and location of the event.

True
False
5. We can define acceptable performance following a credible contingency as maintaining Interconnection integrity, and protecting Interconnection equipment from severe damage.
True
False
6. Which of the following are major ingredients in Planning the transmission system?
Load forecast
Existing generation and transmission systems along with those future plans already in place
What planners learn from system operators about the performance of the existing system
All of the above
7. Events that happened in the past are contingencies in real-time, because contingencies, by definition, haven’t occurred.
True
False
8. So expressing our reliability criteria in terms of ________ is not always correct.
n
n-1
n-2
n-i
9. The parameters (equipment flow and voltages) selected from the calculations that provide the key indication of the __________ are System Operating Limits and Interconnection Reliability Operating Limits.
Important conditions
Extreme conditions
Boundary conditions
None of the above
10. Which of the following is not an Interconnection Reliability Operating limits?
Voltage instability
Dynamic instability
Don’t know where you are operating
Thermal