SOS NERC Prep - RElIABILITY
Exam / SOS NERC Prep -
RElIABILITY Exam| 200
QUESTIONS AND 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. -
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
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 - CORRECT ANSWER-B) 25 MWs in
Exam / SOS NERC Prep -
RElIABILITY Exam| 200
QUESTIONS AND 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. -
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
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 - CORRECT ANSWER-B) 25 MWs in
