PJM Transmission Test | Questions with 100% Correct Answers | Verified | Latest Update 2024

When is Manual Load Dump Warning issued? - 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? - 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? - 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? - 57.5 Hz When is Minimum Generation Alert issued? - 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? - 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