What is the anticipated impact to operations during this
event?
a. AGC will operate in flat frequency control
b. Frequency will operate abnormally erratic
c. Spinning reserves will be at minimum
d. Transformers exposed to over heating - ANSWER d. Transformers exposed to over
heating
An Energy Emergency Alert must be communicated to the Interconnection by which
means?
a. RTU
b. RCIS
c. ICCP
d. NERC-Net - ANSWER b. RCIS
The Frequency Bias Setting is equal to the frequency response of Balancing Authority X. A
frequency decline caused by a sudden loss of generation in an external balancing area will
result in which of the following for Balancing Authority X?
a. ACE will calculate and result in governor generator increase as expected
b. ACE will be a negative value and AGC will increase generation
c. ACE will be a positive value and AGC will lower generation
d. ACE value will not change due to the disturbance - ANSWER d. ACE value will not
change due to the disturbance
1
, Which of the following is the best potential source of non-spinning Contingency Reserve?
a. Coal plant
b. Combustion Turbine
c. Controllable load resources
d. Increases to interchange schedules - ANSWER b. Combustion Turbine
A 1500 MW generator trips in another Balancing Authority within the Interconnection.
Frequency drops by 0.04 Hz. Which of the following would you expect to see in your
Balancing Authority Area?
a. Frequency above 60.00 Hz
b. Net Actual Interchange would be greater than Scheduled Interchange
c. Reduction of net generation on your system
d. A very large negative ACE - ANSWER b. Net Actual Interchange would be greater
than Scheduled Interchange
What is the best practice for energizing a step-down transformer?
a. Energize the transformer using the low side winding
b. Energize the transformer using the high side winding
c. Energize the transformer using the high and low side windings simultaneously
d. Energize the transformer using the tertiary winding - ANSWER b. Energize the
transformer using the high side winding
Which of the following will likely result when a large generator trips in an
Interconnection?
a. Increase in the Interconnection frequency
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
c. Decrease in power flow into the deficient Balancing Authority
2
event?
a. AGC will operate in flat frequency control
b. Frequency will operate abnormally erratic
c. Spinning reserves will be at minimum
d. Transformers exposed to over heating - ANSWER d. Transformers exposed to over
heating
An Energy Emergency Alert must be communicated to the Interconnection by which
means?
a. RTU
b. RCIS
c. ICCP
d. NERC-Net - ANSWER b. RCIS
The Frequency Bias Setting is equal to the frequency response of Balancing Authority X. A
frequency decline caused by a sudden loss of generation in an external balancing area will
result in which of the following for Balancing Authority X?
a. ACE will calculate and result in governor generator increase as expected
b. ACE will be a negative value and AGC will increase generation
c. ACE will be a positive value and AGC will lower generation
d. ACE value will not change due to the disturbance - ANSWER d. ACE value will not
change due to the disturbance
1
, Which of the following is the best potential source of non-spinning Contingency Reserve?
a. Coal plant
b. Combustion Turbine
c. Controllable load resources
d. Increases to interchange schedules - ANSWER b. Combustion Turbine
A 1500 MW generator trips in another Balancing Authority within the Interconnection.
Frequency drops by 0.04 Hz. Which of the following would you expect to see in your
Balancing Authority Area?
a. Frequency above 60.00 Hz
b. Net Actual Interchange would be greater than Scheduled Interchange
c. Reduction of net generation on your system
d. A very large negative ACE - ANSWER b. Net Actual Interchange would be greater
than Scheduled Interchange
What is the best practice for energizing a step-down transformer?
a. Energize the transformer using the low side winding
b. Energize the transformer using the high side winding
c. Energize the transformer using the high and low side windings simultaneously
d. Energize the transformer using the tertiary winding - ANSWER b. Energize the
transformer using the high side winding
Which of the following will likely result when a large generator trips in an
Interconnection?
a. Increase in the Interconnection frequency
b. Positive Inadvertent Interchange for non-deficient Balancing Authorities
c. Decrease in power flow into the deficient Balancing Authority
2
