B&A
If a Reserve Sharing Group member has experienced a Reportable Disturbance condition but does not call for reserve activation from other members, the entire group shall still be considered to be in a disturbance condition.
A: True
B: False
B: False
What type of relay uses a combination of current transformer (CT) measurements and potential transformer (PT) measurements and operates when the ratio of the PT measurements to CT measurements is below a certain limit for a given period of time?
Distance Relay (Device 21)
What should be included in a data specification document?
A:List of communication channels.
B:Facility list.
C:List of data needs and the periodicity for providing data.
C:List of data needs and the periodicity for providing data.
Which of the following potential actions would you consider first to help maintain transmission loading within acceptable limits?
1. Curtail Interchange Transactions
2. Generation re-dispatch
3. Load Shed
4. Reconfiguration of the transmission system
1 and 2
2 and 3
3 and 4
2 and 4
2 and 4
BES
Bulk Electric System
If the frequency bias setting is less negative than the frequency response of a Balancing Authority and a frequency decline is caused by a sudden loss of generation is an external balancing area, what will be the result?
A:This will not affect the ACE
B:The ACE will be a positive value and AGC will lower generation
C:The ACE will be zero and will take no AGC action
D:The ACE will be a negative value and AGC may increase generation
B:The ACE will be a positive value and AGC will lower generation
Positioning capacitor banks close to the inductive load of a transmission system helps to ______________.
A:reduce reactive power flow and losses between the generator and the inductive load
B:increase the reactive power required by the inductive load
C:ensure reactive power flows opposite real power
D:keep real power at a consistent level as it travels from the generator to the load
A:reduce reactive power flow and losses between the generator and the inductive load
What is the purpose of the conduction system studies?
Select all that apply.
A:To identify generator status.
B:To identify sabotage.
C:To identify constraints.
D:To identify weather related impacts.
E:To predict operations.
C:To identify constraints.
E:To predict operations.
Four parallel lines are loaded as indicated below. Line C has an OTDF of 0.3 for the loss of line D.
A 50 MW
B 200 MW
C 200 MW
D 200 MW
If line D trips what will the loading be on line C?
300 MW
240 MW
400 MW
260 MW
260 MW
ATC
Available Transfer Capability
What happens to the Balancing Authority ACE Limit (BAAL) when frequency moves farther away from scheduled frequency?
A:The limit gets less restrictive.
B:The limit gets more restrictive.
C:The limit is more restrictive for low frequency and less restrictive for high frequency.
D:The limit does not change with frequency.
B:The limit gets more restrictive.
The Transmission Operator has determined the tap settings of a generators step-up transformer must change. Which entity is required to ensure the requested changes are implemented?
A:Transmission Planner
B:Generator Owner
C:Generator Operator
D:Transmission Owner
B:Generator Owner
What is the responsibility of the Reliability Coordinator whenever a Remedial Action Scheme/Special Protection System (RAS/SPS) that may have inter-Balancing Authority, or inter-Transmission Operator impact (e.g., could potentially affect transmission flows resulting in SOL or IROL violations) is armed?
A:to notify adjacent Reliability Coordinator Areas of potential SOL or IROL violations.
B:to direct removal of the RAS/SPS until further reliability analysis is performed.
C:to be aware of the impact of the operation of that RAS/SPS on inter-area flows.
D:to operate below and RAS/SPS limit
C:to be aware of the impact of the operation of that RAS/SPS on inter-area flows.
A Reliability Coordinator has Operating Procedures, Processes and Plans for notification and coordination of actions that may impact adjacent Reliability Coordinators. Which of the following information should be included in these documents:
1. Criteria and processes for notifications
2. Energy and capacity shortages
3. Control of voltage
4. Time Error Corrections
A:1, 3, and 4
B:1, 2, and 3
C:2, 3, and 4
D:2 and 3
B:1, 2, and 3
PSS
Power System Stabilizer
During a routine hourly tie-line check, a Balancing Authority discovered one tie line meter reading is off by 30 megawatts, which is causing the ACE values to be incorrect. What should be done to temporarily adjust for the error?
A:Change the ACE/AGC mode to Flat Frequency Control.
B:Change the frequency Bias part of the ACE equation to reflect the error.
C:Adjust the ACE calculation by inserting a 30-MW correction into the IME portion of the equation.
D:Take the number from the incorrect tie line and insert them into the NIS portion of the ACE equation.
C:Adjust the ACE calculation by inserting a 30-MW correction into the IME portion of the equation.
What is the effect on power losses if voltage is doubled and load magnitude stays the same?
A:Losses increase by a factor of four
B:Losses decrease by a factor of four
C:Losses are halved
D:Losses are doubled
B:Losses decrease by a factor of four
The Reliability Coordinator shall have real-time monitoring capability in addition to Operational Planning Analysis of its area to ensure what?
A:Control Performance Standards are met.
B:System powerflows are controlled.
C:Congestion management procedures are utilized.
D:SOL and IROL exceedances are identified.
D:SOL and IROL exceedances are identified.
Reliability Coordinators A and B have determined that there will be a problem that effects reliability of the system during the next hour. They have agreed that the solution will involve opening a low voltage transmission line on one of Reliability Coordinator B's transmission systems. What is the next step?
A:Reliability Coordinator A should contact the owner of the low voltage transmission line for permission to open the line.
B:Reliability Coordinator A should direct Reliability Coordinator B to open the low voltage transmission line.
C:Reliability Coordinator B should direct the operator of the low voltage transmission line to open the line.
D:Reliability Coordinator B should contact the owner of the low voltage transmission line.
C:Reliability Coordinator B should direct the operator of the low voltage transmission line to open the line.
ACE
Area Control Error
What happens when a Balancing Authority is being evaluated for its CPS1 Control Performance, and a sustained interruption in the recording of ACE or Frequency Deviation due to loss of telemetering or computer unavailability result in a one-minute interval not containing at least 50% of samples of both ACE and Frequency Deviation?
A:The one-minute interval shall be excluded from the CPS1 calculation.
B:The information that was salvaged is saved and added to another partial interrupted minute and then included into the calculation when the total information gathered equals one-minute.
C:The information is used because at least 10% of the data was accumulated.
D:The information from the partial minute is sent to the NERC Operating Committee for evaluation.
A:The one-minute interval shall be excluded from the CPS1 calculation.
A storm blows the A phase and B phase conductors of a 138 kV transmission line together, creating a phase-to-phase fault. The magnitude of the current and voltage on the line immediately change, causing the distance relays at each end of the line to operate. How did the current and voltage on the line change causing the relay to indicate a fault?
A:The voltage decreased and current decreased.
B:The voltage increased and current decreased.
C:The voltage decreased and current increased.
D:The voltage increased and current increased.
C:The voltage decreased and current increased.
Responsible Entities must report certain events as defined in Attachment 2 of EOP-004. Which of the following is required of the Responsible Entities in accordance with EOP-004?
Select the Entity/s responsible and the appropriate requirement.
1:Reliability Coordinators
2:Must have an Operating Procedure for filling out DOE Form OE-417.
3:Transmission Operators
4:Must have an Operating Plan for event reporting that includes protocols for reporting events to NERC and other organizations.
5:Must have their event reporting procedure approved by NERC each calendar year.
6:Transmission Planners
7:Must report all events requiring emergency actions.
1:Reliability Coordinators
3:Transmission Operators
4:Must have an Operating Plan for event reporting
What tool relies on the State Estimator?
Contingency Analysis
PSE
Purchase Selling Entity