PJM Generation Dispatcher Exam Practice
Questions with correct answers
An EXCITER on a traditional generator does what? - ANSWER-Voltage regulation (AVR) if you change the
excitation current, you change the voltage.
ECO Min, ECO Max, and EMERG Max are genrator _________________. - ANSWER-Limits
When synchronizing to the interconnection, what needs to be synchronized? - ANSWER-Frequency,
Voltage, and phase angle.
GMD (GeoMagnetic Disturbance) procedure is implemented when? - ANSWER-10A or greater is
measured by special equipment at Missouri Ave or Meadowbrook and the measurement is confirmed by
one of the following other sources: Excess transformer current @ Meadowbrook, Beddington, Donbs, or
Black Oak, high MVAR requirements on transformers @ Hopw Creek or Salem nuclear subs, or high DC
measurements @ Limerick or Peach Bottom.
What are the 2 types of National Terrorism Advisory Alerts? - ANSWER-Elevated and Imminent.
What action does PJM take for a terrorist attack, fuel delivery emergency, or GMD's? - ANSWER-
Conservative Operations
What does PJM put the most emphasis on during a terrorist/sabotage event? - ANSWER-Operations and
Communications
What does PJM request during a low voltage alert? - ANSWER-RRC - reactive reserve check
PJM issues a Heavy Load Voltage Warning how many hours prior to implementation? - ANSWER-4 hours
What should generation owners/operators do during a High System Voltage Action? - ANSWER-Operate
at the lower bandwidth of the voltage schedule.
