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NERC Prep Test 2 Questions with Verified Answers, 100% Guarantee Pass Score (2024 / 2025)
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NERC Prep Test 2 Questions with Verified Answers, 100% Guarantee Pass Score (2024 / 2025)
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NERC Prep Test 2.pdf file:///C:/Users/HP/Desktop/New%20fl/NERC%20Prep%20Test%202NERC Prep Test 2 Completed Actual Questions &
Answers Verified 100%
1. A transaction of 100 MWs is scheduled out of your area at the top of the hour with a 10-
minute ramp.You have the following generation available
Whatcombination of generation would need to be used?
Generator Capacity Current MWs Ramp Capability1 100
MW 50 MW 5 MW/min
2 100 MW 40 MW 3 MW/min
3 100 MW 50 MW 1 MW/min
4 100 MW 60 MW 2 MW/min
Answer Generators 1, 2, 4
2. The Balancing Authority selling power to an end user entered the wrong schedule for
the upcoming hour. Which part of the ACE equation [ACE = (NIA
- NIS) - 10B (FA - FS) - IME], will cause Inadvertent Interchange to occur as theresult of the
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incorrect schedule?
Answer Both the Interchange portion and frequency portion of the Ace Equation will contribute
3. What is the most common cause of frequency fluctuations?
Answer System gener-ation and load imbalance
4. A Balancing Authority's inadvertent accumulation reflects over-generationduring on-
peak hours. When system load is decreasing, what actions could a Balancing Authority
system operator take to limit additional on peak inadver-tent accumulation?
Answer Decrease transactions into their system
Decrease generation
5. Balancing Authority A is currently reading a system frequency of 59.98 Hz. Its Net
Actual Interchange is +100 MW and its Net Scheduled Interchange is
+100 MW. If Balancing Authority A's frequency bias setting is 100 MW/0.1 HZ,what is
ACE?
Answer -20
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6. Governor droop is expressed as
Answer
A percentage of the frequency change required for a governor to move a unit from no load
to full load, or full load to noload
7. If the frequency bias setting is less negative than the frequency response of a
Balancing Authority and a frequency decline is caused by a sudden lossof generation in an
external balancing area, what will be the result?
Answer The ACEwill be positive value and AGC will lower generation
8. Which of the following combinations would represent the best generation control
performance (in terms of helping the Interconnection's frequency) bya Balancing Area?
Answer ACE is positive while frequency is below 60
9. If a Balancing Authority has an ACE of -175 MW and Frequency is 59.85 Hz.Which
real-time Control Performance Standard maybe outside of its lowlimit?
Answer BAAL
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