NERC text 130 questions with complete solutions

Operating reserve may be provided by which of the following? A. LTCs B. Capacitor banks C. Voltage regulators D. Interruptible loads correct answer: D. Interruptible loads Which of the following is the responsibility of a reserve sharing group (RSG)? A. Complying with DCS as if it was a single control area B. Proving regulation service for neighboring RSGs C. Ensuring each control area in the group maintains 50% blackstart capability D. Complying with the control performance standards as if it was a single control area correct answer: A. Complying with DCS as if it was a single control area Generation is not sufficient to meet load, the control area is importing heavily, and voltage is decaying, which of the following actions should be taken by the operator? A. Shed load B. Correct schedule deviation C. Use the Interconnection Hotline D. Schedule interchange transaction correct answer: A. Shed load What measures power flow data between control areas? A. OASIS B. Interchange C. Transactions D. Tie-Line metering correct answer: D. Tie-Line metering Transmission line removal as a voltage control can be used if: A. Loop flow remains high B. Reactive equipment is available C. Reliability stays at acceptable levels D. Synchronous condensers are off the line correct answer: C. Reliability stays at acceptable levels Control Area A is generating and sending Control Area B a schedule. Both control areas should verify all of the following EXCEPT: A. Magnitude (MW) B. Ramp rate C. Price D. Start/stop times correct answer: C. Price The AGC control mode that is normally used for system operation is: A. Flat Tie Mode B. Flat Frequency Mode