Question 1
When does the Contingency Reserve Restoration Period begin?
A. At the top of the hour after the Reportable Disturbance
B. At the start of the Reportable Disturbance
C. At the end of the Disturbance Recovery Period
D. When all Contingency Reserve has been exhausted
CORRECT ANSWER
C. At the end of the Disturbance Recovery Period
Question 2
Which of the following terms is defined as the scan rate values of a Balancing Authority's
ACE measured in MW, which includes the difference between the Balancing Authority's
Net Interchange Actual and its Net Interchange Scheduled, plus its Frequency Bias
obligation, plus any known meter error?
A. Automatic Time Error
B. Reporting ACE
C. ACE Control Error
D. Reserve Sharing Group Reporting
CORRECT ANSWER
B. Reporting ACE
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,Question 3
Which of the following terms applies to the Western Interconnection only, and the
addition of a component to the ACE equation that modifies the control point for the
purpose of continuously paying back Primary Inadvertent Interchange to correct
accumulated time error?
A. Reporting ACE
B. Automatic Time Error Correction
C. Reserve Sharing Group Reporting ACE
D. Regulation Reserve Sharing Group
CORRECT ANSWER
B. Automatic Time Error Correction
Question 4
You are a Balancing Authority Operator. A neighboring Balancing Authority in the
Interconnection suddenly has a 500 MW generator trip due to a generator ground. What
part of the ACE equation, ACE = (NIA-NIS) - 10B (FA-FS) - IME, allows you and other
Balancing Authorities in the Interconnection to help stabilize the Interconnection
frequency error?
A. (FA- FS) - IME
B. NIA - NIS
C. 10B (FA-FS)
D. 4 IME
CORRECT ANSWER
C. 10B (FA-FS)
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,Question 5
Balancing Authority A is scheduled to import a net 200 MW and is actually importing a net
150 MW. The Bias Setting is -100 MW/.1 HZ and Actual Frequency is 59.95 Hz. What is
Balancing Authority A's ACE reading?
A. +100 MW
B. -100 MW
C. 0 MW
D. -55 MW
CORRECT ANSWER
C. 0 MW
Question 6
Which of the following elements is NOT included in the ACE equations frequency
component?
A. Actual Frequency (FA)
B. Scheduled Frequency (FS)
C. Frequency Bias Setting (B)
D. Meter Error (IME)
CORRECT ANSWER
D. Meter Error (IME)
Question 7
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, A Balancing Authority is slightly undergenerating its Actual System Frequency (FA) is 60.03
Hz. What is the result of the Balancing Authority's action?
A. The Balancing Authority is helping the Interconnection Frequency.
B. The Balancing Authority is in CPS1 violation.
C. The Balancing Authority is hurting the Interconnection Frequency.
D. The Balancing Authority is in BAAL violation
CORRECT ANSWER
A. The Balancing Authority is helping the Interconnection Frequency
Question 8
Which statement best describes the CPS1 requirement?
A. ACE must follow changes in load and schedule within a bandwidth called L10.
B. The Responsible Entity must operate so its CPS1 is greater than or equal to 100% for the
preceding 12-month period.
C. The average ACE for a defined 10-minute period must be within a limit called L10.
D. ACE must start to return to zero one minute after crossing zero.
CORRECT ANSWER
B. The Responsible Entity must operate so its CPS1 is greater than or equal to 100% for
the preceding 12-month period
Question 9
A Balancing Authority's CPS1 calculation is computed using its clock-minute average of two
values. What are those two values?
A. Reporting ACE and Frequency Error
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When does the Contingency Reserve Restoration Period begin?
A. At the top of the hour after the Reportable Disturbance
B. At the start of the Reportable Disturbance
C. At the end of the Disturbance Recovery Period
D. When all Contingency Reserve has been exhausted
CORRECT ANSWER
C. At the end of the Disturbance Recovery Period
Question 2
Which of the following terms is defined as the scan rate values of a Balancing Authority's
ACE measured in MW, which includes the difference between the Balancing Authority's
Net Interchange Actual and its Net Interchange Scheduled, plus its Frequency Bias
obligation, plus any known meter error?
A. Automatic Time Error
B. Reporting ACE
C. ACE Control Error
D. Reserve Sharing Group Reporting
CORRECT ANSWER
B. Reporting ACE
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,Question 3
Which of the following terms applies to the Western Interconnection only, and the
addition of a component to the ACE equation that modifies the control point for the
purpose of continuously paying back Primary Inadvertent Interchange to correct
accumulated time error?
A. Reporting ACE
B. Automatic Time Error Correction
C. Reserve Sharing Group Reporting ACE
D. Regulation Reserve Sharing Group
CORRECT ANSWER
B. Automatic Time Error Correction
Question 4
You are a Balancing Authority Operator. A neighboring Balancing Authority in the
Interconnection suddenly has a 500 MW generator trip due to a generator ground. What
part of the ACE equation, ACE = (NIA-NIS) - 10B (FA-FS) - IME, allows you and other
Balancing Authorities in the Interconnection to help stabilize the Interconnection
frequency error?
A. (FA- FS) - IME
B. NIA - NIS
C. 10B (FA-FS)
D. 4 IME
CORRECT ANSWER
C. 10B (FA-FS)
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,Question 5
Balancing Authority A is scheduled to import a net 200 MW and is actually importing a net
150 MW. The Bias Setting is -100 MW/.1 HZ and Actual Frequency is 59.95 Hz. What is
Balancing Authority A's ACE reading?
A. +100 MW
B. -100 MW
C. 0 MW
D. -55 MW
CORRECT ANSWER
C. 0 MW
Question 6
Which of the following elements is NOT included in the ACE equations frequency
component?
A. Actual Frequency (FA)
B. Scheduled Frequency (FS)
C. Frequency Bias Setting (B)
D. Meter Error (IME)
CORRECT ANSWER
D. Meter Error (IME)
Question 7
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, A Balancing Authority is slightly undergenerating its Actual System Frequency (FA) is 60.03
Hz. What is the result of the Balancing Authority's action?
A. The Balancing Authority is helping the Interconnection Frequency.
B. The Balancing Authority is in CPS1 violation.
C. The Balancing Authority is hurting the Interconnection Frequency.
D. The Balancing Authority is in BAAL violation
CORRECT ANSWER
A. The Balancing Authority is helping the Interconnection Frequency
Question 8
Which statement best describes the CPS1 requirement?
A. ACE must follow changes in load and schedule within a bandwidth called L10.
B. The Responsible Entity must operate so its CPS1 is greater than or equal to 100% for the
preceding 12-month period.
C. The average ACE for a defined 10-minute period must be within a limit called L10.
D. ACE must start to return to zero one minute after crossing zero.
CORRECT ANSWER
B. The Responsible Entity must operate so its CPS1 is greater than or equal to 100% for
the preceding 12-month period
Question 9
A Balancing Authority's CPS1 calculation is computed using its clock-minute average of two
values. What are those two values?
A. Reporting ACE and Frequency Error
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