PJM Generation Dispatcher Sample Exam Questions and Answers

PJM Generation Dispatcher Sample Exam Questions and Answers Real time transmission constraints or contingencies may be alleviated with generators operating : A. below 60 hertz B. on a new price curve C. on a new cost curve D. off cost ( out of merit) - Correct Answer ️️ -D. off cost ( out of merit ) Monitoring LMP may give insights into : A. system constraints B. system voltage C. system frefuency D. time error - Correct Answer ️️ -A. system constraints PJM calls for which of the following to recover the ACE so that tie line schedules are maintained ? A. IRC ( instantaneous reserve check ) B. synchronized Reserves C. supplemential reserves D. minimun generation calculation - Correct Answer ️️ -B. synchronized Reserves If not cancelled by PJM , the minimum generation alert expires : A. at the end of the specified light load period B. when notified by NERC C. 12 hours after the alert was issued D. after a 24 hour period - Correct Answer ️️ -A. at the end of the specified light load period When PJM declares a hot weather alert , the generation dispatcher should 1. determine if maintenance can be deferred 2. notift transmission operators 3. notify all generating stations and key personnel 4. direct all generating stations to reduce output A. 1 and 2 only B. 1 and 3 only C. 2 and 4 only D. 3 and 4 only - Correct Answer ️️ -B. 1 and 3 only 1. determine if maintenance can be deferred 3. notify all generating stations and key personnel During system restoration, the two categories of reserves are : A. dynamic and secondary B. spinning and quick start C. dynamic and spinning D. spinning and primary - Correct Answer ️️ -C. dynamic and spinning During system restoration, frequency should be maintained between : A. 59.50 and 60.00 hertz B. 59.75 and 61.50 hertz C. 59.75 and 61.00 hertz D. 59.50 and 60.50 hertz - Correct Answer ️️ -C. 59.75 and 61.00 hertz PJM issues a heave load voltage schedule. Member companies who own generation facilities should : A. remove 230 kV capacitors from service B. ensure voltage regulators on generating units are in service on automatic C. inform transmission providers to have marketers in their areas cut transactions D. instruct generating stations to curtail nonessential building loads - Correct Answer ️️ -B. 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 : A. LMP at generator bus B. LMP in the units zone C. units dispatch rate or desired MW level D. generation owners discretion - Correct Answer ️️ -C. units dispatch rate or desired MW level A fossil steam unit is considered fuel limited when it is not capable of r