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PJM Generation Dispatch Exam Flash Cards exam with correct answers

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PJM Generation Dispatch Exam Flash Cards exam with correct answers

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PJM Generation Dispatch Exam Flash |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Cards exam with correct answers |||\\\ |||\\\ |||\\\ |||\\\




Which of the following statements is correct concerning PJM assuming frequency control of the
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restoration process?
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A) PJM assumes control once an external transmission tie has been established.
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B) Once an Area Control Error can be calculated, PJM will assume control.
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C) Whenever it becomes too much of a burden for any one Transmission Owner within the RTO
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D) Whenever the Transmission Owners within the RTO agree to let PJM control the process. -
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correct answersC) Whenever it becomes too much of a burden for any one Transmission
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Owner within the RTO |||\\\ |||\\\ |||\\\




During black start restoration, priority access to cranking power should be given to:
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A) Hot units that can return to service immediately.
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B) Combustion turbines in areas where the initial disturbance occurred
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C)Units with black start capability |||\\\ |||\\\ |||\\\ |||\\\




D) Hydro Units - correct answersA) Hot units that can return to service immediately.
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During a restoration, if you are presented with the opportunity to re-connect with the Eastern
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Interconnection, you should: |||\\\ |||\\\




A)Not pursue this opportunity because you may cause the Eastern Interconnection to become
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unstable.

B) Pursue this opportunity only when you have adequate Dynamic Reserves on your system
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\

,C) Pursue this opportunity as quickly as possible
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D) Pursue this opportunity only if you need cranking power for your generating unity - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answersC) Pursue this opportunity as quickly as possible |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Complete (Total System) Blackouts are characterized by which of the following? |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




1 - Most common type of blackout
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2 - May require coordinating multiple islands
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3 - Likely to result in Transmission overloads or other issues
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4 - Affects a very large geographical area, and many customers
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5 - Most commonly caused by human or switching errors
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A) 1 & 3 |||\\\ |||\\\ |||\\\




B) 2 & 4 |||\\\ |||\\\ |||\\\




C) 3 & 5 |||\\\ |||\\\ |||\\\




D) 1 - correct answersB) 2 & 4
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The first step in a system restoration would be to:
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A) Immediately notify the media of the event
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B) Restore as much of the area load as possible
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C) Restore as much under-frequency load as possible
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D) Verify that communication is functional with your neighbors - correct answersD) Verify that
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




communication is functional with your neighbors |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




Why would an offsite power to generating facilities be a priority during the restoration
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process?

,A) To provide safe shutdown power for the units
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B) To meet FERC requirements
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C) To provide adequate lighting for the plant operators to attempt a restart
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D) To prepare and expedite the return of the unit - correct answersD) To prepare and expedite
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the return of the unit |||\\\ |||\\\ |||\\\ |||\\\




Factors that help determine the sequence of restoration of off-line generation include (Pick 2):
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




-Generation Type |||\\\




-Unloaded Capacity |||\\\




-Unit Availability |||\\\




-Stability of the Generator - correct answers-Generation Type |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




-Unit Availability |||\\\




How often should a Transmission company file an updated restoration report with PJM?
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1 - Every 30 minutes
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2 - Every hour
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3 - Every 10 lines that have been restored
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4 - Every 5 lines that have been restored
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A) 1 & 4 |||\\\ |||\\\ |||\\\




B) 2 & 3 |||\\\ |||\\\ |||\\\




C) 1 & 3 |||\\\ |||\\\ |||\\\




D) 2 & 4 - correct answersC) 1 & 3
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, Which of the following statements are true concerning delays in restoring auxiliary power to
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off-line generation? |||\\\




1 - The unit could suffer turbine shaft damage
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2 - The fuel oil for the unit could congeal
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3 - The startup time for the unit will be reduced
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4 - The battery life used to maintain critical systems may run out
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




A) 1, 2 and 3 |||\\\ |||\\\ |||\\\ |||\\\




B) 1, 2 and 4 |||\\\ |||\\\ |||\\\ |||\\\




C) 1, 3 and 4 |||\\\ |||\\\ |||\\\ |||\\\




D) 2, 3 and 4 - correct answersB) 1, 2 and 4
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During system restoration, the two categories of reserves are:
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A) dynamic and secondary
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B) spinning and quick start
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C) dynamic and spinning
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D) spinning and primary - correct answersC) dynamic and spinning
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During a system restoration you have 400MW of Steam capacity, 350MW of CT capacity and
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300MW of Hydro capacity restored. Your largest contingency is a 200MW Steam Unit. You have
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also restored 150MW of under-frequency load. What is your total dynamic reserve? (Load
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pick-up factors are 5% for steam, 15% for hydro and 25% for CT)
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A) 142.5MW |||\\\

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