What is the difference between Reliability Assessments vs. Resiliency Assessments?
a. None they are different names for the same type of studies.
b. One deals with probabilistic events considering the assets in service or that can come in service and the other deals with statistically defined events.
C. The first assesses the system performance under expected conditions based on the assets operating under their design conditions the other deal with the performance of the system under infrequent but high impact events.
d. One deal with blue sky days the second with storms.
2. Can a system be adequate but insecure?
a. No, if it is insecure, it cannot be adequate,
b. Yes, it can. It may be able to provide service to all customers under acceptable conditions under N-0, but there are contingencies leading for example to voltage collapse
3. Why is it important to have blackstart units in the system?
a. To address conditions where the cost of power would be too high for customers.
b. To address congestion and contingency loadings of facilities.
c. To provide local reserves.
d. To provide operators with means for restoring the power system after a major event leading to interruption.