System Operations - A

Question 1

Each system, Balancing Authority, and Region is responsible for maintaining a set of current plans which are designed to evaluate options and set procedures for reliable operation through a reasonable future time period. This set of plans must include all of the following EXCEPT:

A. Emergency Operating Plan
B. Normal Operating Plan
C. System Restoration Plan
D. A Back Control Center

Answer 1

D. A Back up Control Center

Question 2

After load forecast is completed, the generating units should be assigned by unit commitment to meet foretasted load

A. Reserve obligation, and energy transfers
B. Losses, reserve obligation, energy transfers, and entity requests
C. Losses, reserve obligation, and energy transfers
D. And reserve obligation

Answer 2

D. And reserve obligation

Question 3

Of the following possibilities, which is a GMD most likely to cause?

A. A frequency excursion
B. A transmission line de-rating
C. Transformer overheating
D. An increase in generator MW output

Answer 3

C. Transformer overheating

Question 4

Because of the importance of telemetered data, it is imperative that they system operator ensures that the values are verified

A. Every shift
B. Only when an alarm is received
C. Every Hour
D. Continuously

Answer 4

D. Continuously

Question 5

A positive MW or MVAR value on the high side of a transformer means the flow is

A. Out of the high side of the transformer
B. Into the high side of the transformer
C. Into the generator
D. Into the low side of the transformer

Answer 5

.A Out of the high side of the transformer

Question 6

Acceptable types of spinning reserve are

A. On-line generation loaded less than full capability
B. Interruptible load, imports or exports
C. On- demand rights for other entities or Balancing Authorities
D. Off-line generation that can respond to demand within 10 minutes

Answer 6

A. On-line generation loaded less than full capability

Question 7

A SMD can cause

A. Transformer overheating
B. Relay operation
C. Frequency excursions
D. Transmission line de-rating

Answer 7

A. Transformer overheating

Question 8

In a case of sabotage intended to increase a power system’s vulnerability, the DOE requires a report within

A. 15 minutes
B. 6 hours
C. 12 hours
D. 24 hours

Answer 8

D. 24 hours

Question 9

A system operator must obtain permission from which of the following before they manually shed load?

A. Reliability Coordinator
B. Utility Management
C. No permission is required
D. NERC Representative

Answer 9

C. No permission is required

Question 10

All systems must be operated in a manner that will limit the likelihood of:

A. Loss of load due to multiple outages
B. Cascading outages as a result of a single contingency
C. Frequency deviations due to loss of generation
D. Balancing Authorities responding to external disturbances

Answer 10

B. Cascading outages as a result of a single contingency

Question 11

Electric System Security Data has to be updated every ____

A. 6 minutes
B. 20 minutes
C. 10 minutes
D. 30 minutes

Answer 11

C. 10 minutes

Question 12

In order to predict the power system’s near term load pattern, a system operator must have information including weather forecasts and ____

A. Protected load pattern
B. Reactive metering
C. Past load patterns
D. Generator overhaul schedules

Answer 12

C. Past load patterns

Question 13

A Balancing Authority is considering building a backup control center. Which of the following statements should be true with respect to this backup control center?

A. The backup control center should be remote from the primary control center site

B. The back up control center does not require access to the Balancing Authorities EMS system

C. The backup and primary control centers should be in the same location to facilitate easy movement between the two centers

D. The back up control center must be in a rural area

Answer 13

A. The back up control center should be remote form the primary control center site

Question 14

A system operator’s certification date must be accurately recorded to:

A. Track emergency operations training
B. Determine when the operator is eligible for a salary increase
C. Determine when the system operator needs to retake the Certification Test
D. Monitor the individual’s certification status

Answer 14

D. Monitor the individual’s certification status

Question 15

Each Balancing Authority shall have ____ for when there is a loss of telecommunications.

A. Redundant systems
B. Data recorders
C. A plan
D. Satellite Phones

Answer 15

A. Redundant Systems

Question 16

A substation and all the transmission lines into the substation suddenly indicate de-energized on SCADA. The breakers at this substation indicate closed. but the remote line breakers indicate open. What would be the most probable cause for this activity?

A. The power supply for the RTU has failed
B. A breaker failed to trip, Initiating back-up relay operation.
C. Communication path failure with the substation RTU
D. A technician caused a computer monitoring glitch

Answer 16

B. A breaker failed to trip, Initiating back-up relay operation

Question 17

A Balancing Authority has set aside some line capability in case of generator loss. What type is this?

A. Available Transfer Capability
B. Total Transfer Capability
C. Capacity Transfer Margin
D. Capacity Benefit Margin

Answer 17

D. Capacity Benefit Margin

Question 18

Besides past load data, what is the most important information for predicting system load?

A. Transmission equipment outages
B. Generation overhaul schedules
C. Weather forecasts
D. Projected load patterns

Answer 18

C. Weather forecasts

Question 19

A control center might install ____ in their SCADA system to expedite the system restoration process

A. Capacitor points
B. Reactor points
C. Phase shifter points
D. Master trip points

Answer 19

D. Master trip points

Question 20

Maintenance personnel are working in your control center when their actions cause a computer system failure. In the event that your Balancing Authorities AGC system fails, you would:

A. Assume manual control of the generation control process
B. Switch the system to constant interchange control
C. Switch the system to constant frequency control
D. Call your supervisor and request instructions

Answer 20

A. Assume manual control of the generation control process