QUESTIONS AND SOLUTIONS SCORED A+
✔✔Monitoring LMP may give insights into ________. - ✔✔system constraints
✔✔PJM calls for which of the following to recover the ACE so that tie line schedules are
maintained? - ✔✔synchronized reserves
✔✔If not cancelled by PJM, the minimum generation alert expires _____. - ✔✔at the
end of the specified light load period
✔✔When PJM declares a hot weather alert, the generation dispatcher should
__________________. - ✔✔determine if maintenance can be deferred AND notify all
generating stations and key personnel
✔✔During system restoration, the two categories of reserves are - ✔✔dynamic and
spinning.
✔✔During system restoration, frequency should be maintained between - ✔✔59.75 and
61 Hz
✔✔PJM issues a heavy load voltage schedule. Member companies who own
generation facilities should - ✔✔ensure voltage regulators on generating units are in
service on automatic.
✔✔A unit being dispatched economically by PJM should set its MW output based on the
- ✔✔unit's dispatch rate or desired MW level.
✔✔A fossil steam unit is considered fuel limited when it is not capable of running at its
maximum capacity for the next - ✔✔72 hours
✔✔During system restoration prior to synchronization of a unit, the dispatcher should
ensure sufficient load is available to - ✔✔stabilize unit operation
✔✔A large unit in an external control area near PJM/PJM West trips. The PJM operator
will see ACE - ✔✔remain the same, frequency decrease.
✔✔LMPs will change - ✔✔when the marginal generator output changes
✔✔The two control signals sent by the PJM EMS are - ✔✔regulation and dispatch
rate/desired MW output.
, ✔✔Which of the following one-way communication system is used to disseminate
information to market operation centers? - ✔✔all call
✔✔Real time bus prices may be monitored using - ✔✔data viewer.
✔✔Which of the following actions is a violation of PJM two settlement market rules? -
✔✔not offering an available PJM capacity resource into the day ahead market
✔✔A unit that fails to start when scheduled, would be classified as which of the
following types of outage? - ✔✔Unplanned
✔✔Maximum Generation Emergency is declared by PJM when which of the following
occurs? - ✔✔Generations is required above the highest incremental economic system
cost
✔✔Maintenance outages are permitted when - ✔✔a unit can be held online until the
following Monday, and system reliability is not affected.
✔✔If PJM ACE shows overgeneration, actual imports are - ✔✔less than scheduled.
✔✔Which of the following reports will PJM request when a Maximum Generations
Emergency Alert is issued? - ✔✔Supplementary Status Report
✔✔If a fossil steam unit has less than 32 hours of fuel at maximum capacity, it should
be bid at - ✔✔maximum emergency.
✔✔PJM responds to capacity shortages by issuing alerts - ✔✔in advance of a
scheduled load period to allow sufficient time for members to prepare for anticipated
initial capacity shortages.
✔✔During black start restoration, priority access to cranking power should be given to -
✔✔hot units that can return to service immediately
✔✔Which of the following factors does NOT influence the load forecast? - ✔✔planned
generation outages
✔✔Severe cold weather conditions require which of the following to be staffed, started,
and available for loading? - ✔✔Combustion turbines and diesels
✔✔During system restoration, a generator should not be loaded above the level of
available - ✔✔dynamic reserve