SOS NERC Prep - RElIABILITY Exam| 200 QUESTIONS AND ANSWERS (VERIFIED ANSWERS)| GRADED A
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SOS NERC Prep - RElIABILITY
Institution
SOS NERC Prep - RElIABILITY
SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
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. - 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
, SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
A) 4 only
B) 1 & 3
C) 1 & 4
D) 3 & 4 - 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 - 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 - ANSWER--A) -100
, SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
A Balancing Authority has a Net Interchange Schedule of -250 MWs from 1200 to
1600 on a summer day. The Net Interchange Actual for those same hours
respectively were -230 MW, -275 MW, -250 MW and -270 MW. What was the
Balancing Authority's Inadvertent Interchange for the 4-hour period?
A) 6 MWs out
B) 25 MWs in
C) 25 MWs out
D) 6 MWs in - ANSWER--B) 25 MWs in
For the ACE equation to work properly, dynamic schedules, pseudo ties,
frequency, and all ________________ must be metered.
A) Generation
B) Communications
C) Transformers
D) Tie lines - ANSWER--D) Tie lines
If the frequency bias setting is set to a less negative value than the frequency
response of a Balancing Authority and a frequency increase is caused by a sudden
loss of load in an external balancing area, what will be the result?
A) The ACE will be zero and will take no AGC action
, SOS NERC Prep - RElIABILITY Exam| 200
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS)| GRADED A
B) The ACE will be a negative value and AGC will increase generation
C) The ACE will be a positive value and AGC will lower generation
D)This will not affect the ACE - ANSWER--B) The ACE will be a negative value and
AGC will increase generation
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 loss of
generation in an external balancing area, what will be the result?
A) The ACE will be a negative value and AGC will increase generation.
B) This will not affect the ACE.
C) The ACE will be a positive value and AGC will lower generation.
D) The ACE will be zero and will take no AGC action. - ANSWER--C) The ACE will be
a positive value and AGC will lower generation.
It is the responsibility of which entity/entities to develop, maintain, and
implement load shedding plans?
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