Known Nerc Exam Questions: From Class

Your ACE is a large negative value and system frequency is 59.80 Hz. Your AGC system is pulsing your units down. What should you do? a) Place AGC in flat frequency control b) Place AGC in flat tie line control c) Suspend AGC and investigate d) Do nothing as this is normal {Ans: c) Suspend AGC and investigate}What is the penalty for a Balancing Authority violating the Disturbance Control Standard? a) Must carry additional Contingency Reserve b) Must develop a correction action plan c) Must re-evaluate and change its Frequency Bias Setting d) Must increase its Regulating Reserve {Ans: a) Must carry additional Contingency Reserve}Given the data on the image below, what would be the result if the load at the Bus B increased 200 MWs? a) Line 1 would exceed its SOL b) Line 2 would exceed is SOL c) Lines 3 & 4 would both exceed their SOL d) All lines would be within their SOL {Ans: b) Line 2 would exceed is SOL}You have just placed a line in service and the receiving bus end of the line shows zero voltage, but there is indication of current flow. What is your primary concern? a)