SOS NERC Prep - RElIABILITY Exam| 200 QUESTIONS| WITH COMPLETE SOLUTIONS

The Reliability Coordinator just informed you of a slow time error correction which will begin at the top of the next hour. Your EMS system will not let you change your scheduled frequency. Your Frequency Bias Setting is -100 MW/.1Hz. What action should you take? A) Increase Net Interchange Schedule by 20 MWs. B) Inform the Reliability Coordinator that you cannot participate in the time error correction. C) Decrease Net Interchange Schedule by 20 MWs. D) Increase Net Interchange Schedule by 10 MWs. correct answer: A) Increase Net Interchange Schedule by 20 MWs. A Balancing Authority has a sudden loss of a large block of load in its area. This loss will be seen instantaneously in the change of which of the following values? 1. Actual Net Interchange 2. Scheduled Frequency 3. Scheduled Net Interchange 4. Area Control Error A) 4 only B) 1 & 3 C) 1 & 4 D) 3 & 4 correct answer: C) 1 & 4 Metered Data included in the calculation of ACE are: dynamic schedules, pseudo ties, actual frequency, and all __________. A) Tie lines readings B) Generators output C) Scheduled frequency indications D) Transformer load correct answer: A) Tie lines readings Balancing Authority A is currently reading a system frequency of 60.00 Hz. Its Net Actual Interchange is +100 MW and its Net Scheduled Interchange is +200 MW. If Balancing Authority A's frequency bias setting is 100 MW/0.1 Hz, what is ACE? A) -100 B) 0 C) 10 D) 100 correct answer: A) -100