PJM 2024 Questions and Answers Graded A+

PJM 2024 Questions and Answers Graded A+ During System Restoration, what is the optimal Frequency Range? 59.75 - 61 Hz The 500 kV system has normal bus voltages between? 500 to 550 kV When Connecting 2 islands, the operator must match? Voltage, Phase Angle and Frequency What are the Minimum Source Requirements-(500kV+) for a 500 kV? 30 MW Gen/mile of energized 500 kV and 20 MW Load/mile of energized 500 kV When will PJM issue a Minimum Generation Alert? When expected generation levels fall within 2500 MW of normal operating limits When thunderstorm is nearing critical bulk power or 500 kV system? Ensure auto reclosing is turned ON What does SCADA stand for? Supervisor Control & Data Acquisition What does IROL stand for? Interconnected Reliability Operating Limit What does eDART stand for? Dispatch Application & Reporting Tool What is eDART used for? It is used for: Generation Outage Scheduling, Instantaneous Reserve Checks, Generator Reactive Capabilities and to enter and submit switching What direction do VARS flow? From HIGH Voltage to LOW Voltage What direction do MW flow? From HIGH Phase Angle to LOW Phase Angle Which of the following factors are used in forecasting load? Weather Forecast, Historical Load Data, and Historical Weather Data What one-way communication system is used to disseminate info to local call centers? All- Call The 3 categories of messages issued by PJM All-Call are? Operational, Informational and Emergency Procedures When should, transmission outages should be submitted to PJM to avoid cancellation and to be considered "on time?' First day of Month Prior to the Outage What report will be requested by PJM when a Max Generation Alert is issued? Supplementary Status Report (SSR) The loss of a large generation unit on the PJM system can be detected by monitoring: Frequency and PJM Area Control Center (ACE) The PJM system is operated such that the contingency flow is less than the: Emergency Rating When ordered a 5% voltage reduction should be taken on: The Distribution System TOs are required to report "Hot Line Work" on what voltage levels? 345 kV and Above Load dump rating of an EHV line is determined by? 115% of the facility's 4 hour Emergency Rating During System Restoration, one means of strengthening & stabilizing an interconnected area is to: Close additional tie lines