Nerc Test
- ANS What is one of the criteria used to determine a System Operating Limit?
\-50 - ANS If Ace is -50 before a disturbance it must return to____________
\0 - ANS If ACE is 50 before a disturbance it must return to______________
\10 degrees - ANS At what torque angle of operation does power typically begin to flow
from the generator to the system?
\10% - ANS a system voltage excursion of__________or greater must be reported to the
NERC
\100MW - ANS The threshold for the amount of firm load MW that can be shed for system
reliability that requires a NERC and DOE report is
\15 - ANS The disturbance recovery period is__________ minutes after the start of of a
reportable disturbance.
\15 minutes - ANS NERC requires that they be notified if a BA area loses firm load above
a certain amount (depend on the size of a BA area) for what duration of time?
\15 minutes - ANS The DCS specifies that the ACE must return to zero or its
pre-disturbance level within_________following the start of a disturbance
\2 business days - ANS A BA or LSE that requests an EEA 3 must complete and EEA 3
report and submit it to the RC within how many days
\24 hours - ANS a preliminary report for a system disturbance that meets NERC criteria
for a report must be completed within___________
\3% - ANS DOE requires a report for a sustained voltage reduction that is greater
than_____
\30 - ANS Each RC must review its neighboring RC's restoration plan to ensure there are
no conflicts between its restoration plan and any of its neighbors. If a conflict is found,
the conflict must be resolved within_______calendar days
\30 - ANS If a BA is unable to calculate ACE for more than________minutes it shall notify
its Reliability Coordinator
\30 minutes - ANS Load reduction plans have to able to be implemented in what time
frame?
\300MW - ANS If you lost firm system demand for 15 minutes, and your peak load for the
previous year was > 3000MW, what is the threshold for the reporting criteria to NERC?
\5% - ANS During restoration efforts load pick-ups should not exceed_____________
percentage of synchronized generation capacity
\60 - ANS According to Nerc Standards, emergency plans must include interim
provisions if it is expected to take more than how many minutes to implement the
contingency plan for loss of primary control facility
\60 days - ANS a final written report for a system disturbance that meets NERC criteria for
reporting must be completed within____________
\60 minutes - ANS According to Nerc Standards, an emergency interchange transaction
can be exempt from tagging if it is less than_________________
\Annually - ANS How often must a System Restoration Plan be viewed?
, \Annually - ANS How often shall the Transmission Operator and BA review and update
each emergency plan___________
\Automatic generation control - ANS What is the form of the control system that is
required to balance generation to load and maintain a constant frequency
\Blackout - ANS What is a condition where a major portion or all of an electrical network
is de-energized?
\Bulk Electric System facilities - ANS In NERC priority order, which facilities have the
highest priority following a widespread regional blackout?
\capacity - ANS A___________emergency means you're short on generation
\Constant Frequency Control - ANS What mode of AGC is commonly used if there is only
one BA?
\Constant Frequency, Constant Interchange, Tie-line Bias - ANS What are the 3 types of
AGC? and what is AGC?
\Continuous decline in frequency - ANS What is an instance is which you use manual
load shedding?
\Control Center - ANS One or more facilities hosting operating personnel that monitor
and control the BES in real-time to perform the reliability task is called a?
\degrees - ANS Synchroscopes should be calibrated in_____________
\Device 21 - ANS Which relay uses a combination of CT and PT measurements and
operates when the ratio of the PT measurements to CT measurements is below a certain
limit for a given time period.
\Differential relay - ANS What type of relay is relay 87?
\Distance relay - ANS What type of relay is relay 21?
\Dynamic instability - ANS A condition when the transmission network connections
between a generating unit, or a geographic unit and the interconnection become
weakened such that cascading events may occur
\EEA 1 - ANS Which EEA is a warning, and that you may be getting ready to put yourself
in a situation. (no sales will be made)
\EEA 2 - ANS In which EEA will you no longer provide customers expected energy; will
not shed load
\EEA 2 - ANS Which EEA includes: public appeals, voltage reduction, interruption of
non-firm
\EEA 2 - ANS Which EEA is used to announce the change in transmission service
priority?
\EEA 3 - ANS In which EEA is firm load interruption imminent or in progress
\Energy Emergency Alerts - ANS What system was put in place to provide RC's with a
mechanism to handle energy deficiencies?
\Energy Profile, Scheduled Path Connectivity, Generator Ramping Capability - ANS Which
of the following must BA's evaluate to determine if the Arranged Interchange should be
confirmed?
\For emergency or near emergency situations - ANS What are interconnection "hot-lines"
intended to be used for?
\Frequency Fluctuations - ANS What is an example of a disturbance that has caused you
system to become islanded?
- ANS What is one of the criteria used to determine a System Operating Limit?
\-50 - ANS If Ace is -50 before a disturbance it must return to____________
\0 - ANS If ACE is 50 before a disturbance it must return to______________
\10 degrees - ANS At what torque angle of operation does power typically begin to flow
from the generator to the system?
\10% - ANS a system voltage excursion of__________or greater must be reported to the
NERC
\100MW - ANS The threshold for the amount of firm load MW that can be shed for system
reliability that requires a NERC and DOE report is
\15 - ANS The disturbance recovery period is__________ minutes after the start of of a
reportable disturbance.
\15 minutes - ANS NERC requires that they be notified if a BA area loses firm load above
a certain amount (depend on the size of a BA area) for what duration of time?
\15 minutes - ANS The DCS specifies that the ACE must return to zero or its
pre-disturbance level within_________following the start of a disturbance
\2 business days - ANS A BA or LSE that requests an EEA 3 must complete and EEA 3
report and submit it to the RC within how many days
\24 hours - ANS a preliminary report for a system disturbance that meets NERC criteria
for a report must be completed within___________
\3% - ANS DOE requires a report for a sustained voltage reduction that is greater
than_____
\30 - ANS Each RC must review its neighboring RC's restoration plan to ensure there are
no conflicts between its restoration plan and any of its neighbors. If a conflict is found,
the conflict must be resolved within_______calendar days
\30 - ANS If a BA is unable to calculate ACE for more than________minutes it shall notify
its Reliability Coordinator
\30 minutes - ANS Load reduction plans have to able to be implemented in what time
frame?
\300MW - ANS If you lost firm system demand for 15 minutes, and your peak load for the
previous year was > 3000MW, what is the threshold for the reporting criteria to NERC?
\5% - ANS During restoration efforts load pick-ups should not exceed_____________
percentage of synchronized generation capacity
\60 - ANS According to Nerc Standards, emergency plans must include interim
provisions if it is expected to take more than how many minutes to implement the
contingency plan for loss of primary control facility
\60 days - ANS a final written report for a system disturbance that meets NERC criteria for
reporting must be completed within____________
\60 minutes - ANS According to Nerc Standards, an emergency interchange transaction
can be exempt from tagging if it is less than_________________
\Annually - ANS How often must a System Restoration Plan be viewed?
, \Annually - ANS How often shall the Transmission Operator and BA review and update
each emergency plan___________
\Automatic generation control - ANS What is the form of the control system that is
required to balance generation to load and maintain a constant frequency
\Blackout - ANS What is a condition where a major portion or all of an electrical network
is de-energized?
\Bulk Electric System facilities - ANS In NERC priority order, which facilities have the
highest priority following a widespread regional blackout?
\capacity - ANS A___________emergency means you're short on generation
\Constant Frequency Control - ANS What mode of AGC is commonly used if there is only
one BA?
\Constant Frequency, Constant Interchange, Tie-line Bias - ANS What are the 3 types of
AGC? and what is AGC?
\Continuous decline in frequency - ANS What is an instance is which you use manual
load shedding?
\Control Center - ANS One or more facilities hosting operating personnel that monitor
and control the BES in real-time to perform the reliability task is called a?
\degrees - ANS Synchroscopes should be calibrated in_____________
\Device 21 - ANS Which relay uses a combination of CT and PT measurements and
operates when the ratio of the PT measurements to CT measurements is below a certain
limit for a given time period.
\Differential relay - ANS What type of relay is relay 87?
\Distance relay - ANS What type of relay is relay 21?
\Dynamic instability - ANS A condition when the transmission network connections
between a generating unit, or a geographic unit and the interconnection become
weakened such that cascading events may occur
\EEA 1 - ANS Which EEA is a warning, and that you may be getting ready to put yourself
in a situation. (no sales will be made)
\EEA 2 - ANS In which EEA will you no longer provide customers expected energy; will
not shed load
\EEA 2 - ANS Which EEA includes: public appeals, voltage reduction, interruption of
non-firm
\EEA 2 - ANS Which EEA is used to announce the change in transmission service
priority?
\EEA 3 - ANS In which EEA is firm load interruption imminent or in progress
\Energy Emergency Alerts - ANS What system was put in place to provide RC's with a
mechanism to handle energy deficiencies?
\Energy Profile, Scheduled Path Connectivity, Generator Ramping Capability - ANS Which
of the following must BA's evaluate to determine if the Arranged Interchange should be
confirmed?
\For emergency or near emergency situations - ANS What are interconnection "hot-lines"
intended to be used for?
\Frequency Fluctuations - ANS What is an example of a disturbance that has caused you
system to become islanded?
