PJM Transmission Test Questions and Answers 100% Pass

PJM Transmission Test Questions and Answers 100% Pass When is Manual Load Dump Warning issued? - ANSWER-available primary reserve capacity is less than the largest operating generator or the loss of a transmission facility jeopardizes reliable operations after all other possible measures are taken to increase reserve Why is a Voltage Reduction used? - ANSWER-PJM dispatcher issues the order for a 5% voltage reduction on the DISTRIBUTION system. Used to increase transmission system voltages by lowering the distribution system voltages When is Primary Reserve Warning issued? - ANSWER-The purpose of the Primary Reserve Warning is to warn members that the available primary reserve is less than required and present operations are becoming critical. It is implemented when available primary reserve capacity is less than the primary reserve requirement, but greater than the synchronized reserve requirement. At what Frequency (Hz) do generators trip offline due to under frequency? - ANSWER-57.5 Hz Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/7 When is Minimum Generation Alert issued? - ANSWER-Minimum Generation Alert is implemented when the expected generation level is within 2,500 MW of normal minimum energy limits. Under normal conditions, when is a generator considered Fuel Limited Generation? How many hours of run time left? - ANSWER-Generally, any fuel or resource restricted unit ( 72 burn hours at max capacity, see Section 6 of this manual) should be classified as Fuel Limited Generation. What category should Furl Limited Resources be placed in during a Cold or Hot Weather Alert? - ANSWER-Units bid to the PJM Market when Conservative Operations/Cold or Hot Weather Alert have been declared and PJM Dispatch requests Fuel Limited Resources be placed into the Maximum Emergency Generation Category. At what projected temperature will PJM issue a Hot Weather Alert? - ANSWER-90 degrees F or more What locations does PJM monitor for Solar Magnetic Disturbances? How many amps measurement is required? - ANSWER-Solar Magnetic Disturbances geomagnetic storm is detected that produces a DC measurement at Missouri Avenue in Atlantic City and/or Meadow Brook Station near Winchester, Virginia at a magnitude greater than 10 amps and PJM dispatcher confirms that this measurement is a result of a severe geomagnetic storm by checking additional sources of information. Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/7 At what PJM Security threat level will PJM consider staffing selected substations for communications? - ANSWER-PJM SECURITY RED / Severe - Consider staffing selected substations for communications - Consider staffing critical combustion turbine sites How many hours can the Emergency Mandatory Load Management Reductions system be implemented per day? - ANSWER-Emergency Mandatory Load Management Reductions Are available from June through September, interruptions may be called for up to six hours in duration between the hours of 12:00 (Noon) to 20:00 (08:00 PM) on weekdays, other than PJM holidays. From October through May, interruptions may be called for up to six hours in duration between the hours of 14:00 (02:00 PM) to 22:00 (10:00 PM) on weekdays, other than PJM holidays. What % of load should you drop to increase frequency by 1 Hz - ANSWER-