NERC RC Exam Prep 2026 | Verified Questions &
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Terms in this set (213)
When does the Contingency Reserve C. At the end of the Disturbance Recovery Period
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
,Which of the following terms is B. Reporting ACE
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
Which of the following terms applies B. Automatic Time Error Correction
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
,You are a Balancing Authority C. 10B (FA-FS)
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
Balancing Authority A is scheduled to C. 0 MW
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
, Which of the following elements is D. Meter Error (IME)
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)
A Balancing Authority is slightly A. The Balancing Authority is helping the
undergenerating its Actual System Interconnection Frequency
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
Answers | Reliability Coordinator Study Guide +
Practice Test
Save
Terms in this set (213)
When does the Contingency Reserve C. At the end of the Disturbance Recovery Period
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
,Which of the following terms is B. Reporting ACE
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
Which of the following terms applies B. Automatic Time Error Correction
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
,You are a Balancing Authority C. 10B (FA-FS)
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
Balancing Authority A is scheduled to C. 0 MW
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
, Which of the following elements is D. Meter Error (IME)
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)
A Balancing Authority is slightly A. The Balancing Authority is helping the
undergenerating its Actual System Interconnection Frequency
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
