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NERC PREP > Interchange Coordination and Scheduling - C > Flashcards

Interchange Coordination and Scheduling - C Flashcards

1
Q

Which of the following ramp times are all allowed?

A. 10, 15 and 20 minutes
B. Just 10 and 15 minutes
C. just 5 minutes
D. Just 10 minutes

A

A. 10, 15 and 20 minutes

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2
Q

Which of the following entities may a Balancing Area provide interchange transaction information to?

A. LSEs serving load

B. Any PSE with transactions

C. Marketers registered to do business

D. PSEs involved in the transaction

A

D. PSEs involved in the transaction

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3
Q

Which of the following consequences would you expect to experience in your Balancing Area if you intentionally over generate?

A. Increase in inadvertent
B. DCS violation
C. Low frequency in the area
D. Low voltages in the area

A

A. Increase in inadvertent

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4
Q

Which of the following actions should the system operator implement first if the transmission line limits exceed the facilities emergency limits based on a contingency that has not yet occurred?

A. Reduce voltages in the area of the violation
B. Curtail any interchange transactions that are curtailable
C. Remove the facility from service
D. Only implement actions if the contingency occurs

A

B. Curtail any interchange transactions that are curtailable

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5
Q

With respect to the an Interchange Schedule, what is the minimum information that must be shared between the Balancing Authorities involved?

A. The schedule path and MW magnitude
B. The start/stop times, ramp rate and duration
C. The price of the energy
D. Mvar accounting information

A

A. The schedule path and MW magnitude

&

B. The start/stop times, ramp rate and duration

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6
Q

Which of the following must be true before a Tag’s energy may be increased?

A. Appropriate transmission must be obtained

B. The Tag duration must be increased

C. A new Tag must be issued

D. The energy cost must be reduced

A

A. Appropriate transmission must be obtained

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7
Q

Which of the reasons listed is NOT a valid type of modification for a transaction for market related issues?

A. Curtailments
B. Extensions
C. Increases
D. Reductions

A

A. Curtailments

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8
Q

Which of the following characteristics contribute to minimal inadvertent accumulations.

A. Correct interchange schedules and accurate metering

B. Use of voltage reduction and interruptible loads for response to a disturbance

C. Large amounts of generation on line and fast AGC

D. Reserve sharing/purchasing during disturbances

A

A. Correct interchange schedules and accurate metering

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9
Q

Which Balancing Authority is responsible for initiating the implementation of each interchange Transaction as tagged?

A. The Receiving Balancing Authority
B. The Sending Balancing Authority
C. The Sink Balancing Authority
D. All Ball Balancing Authorities involved in the Interchange Transaction

A

C. The Sink Balancing Authority

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10
Q

Which of the following services provide to end users does the purchasing-selling entity need to demonstrate to the host Balancing Authority?

A. Purchasing-selling entity
B. Transmission provider
C. Security coordinator
D. Receiving Balancing Authority

A

A. Purchasing-selling entity

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11
Q

Which of the following situations is the only instance when an increase in inadvertent interchange is desirable?

A. Help maintain system frequency
B. Reduce the need for running Combustion Turbines
C. Minimize total production cost
D. Low load off-peak time periods

A

A. Help maintain system frequency

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12
Q

Which of the following Transactions does not require a Tag prior to the start of the Transaction

A. An Interchange Transaction between two Balancing Authorities

B. An Interchange Transaction for emergency assistance

C. A Transaction internal to a Balancing Authority that utilizes point-to-point transmission service

D. An Interchange Transaction that utilizes a dynamic schedule

A

B. An Interchange Transaction for emergency assistance

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13
Q

Which of the following entities arranges for the transmission service needed for an Interchange Transaction?

A. Purchasing Selling Entity
B. Transmission Provider
C. Source Balancing Authority
D. Reliability Coordinator

A

A. Purchasing Selling Entity

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14
Q

Which factor accounts for the amount of transfer capability reserved by an LSE to ensure access to generation from interconnected systems to meet generation reliability requirements?

A. Transmission Reliability Margin (TRM)

B. Total Transfer Capability (TTC)

C. Capacity Benefit Margin (CBM)

D. Available Transfer Capability (ATC)

A

C. Capacity Benefit Margin (CBM)

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15
Q

With respect to interchange Transactions, the duties of a Balancing Authority normally include all of the following EXCEPT

A. Assessing the Transaction
B. Implementing the Transaction
C. Arranging the Transaction
D. Confirming the Transaction

A

C. Arranging the Transaction

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16
Q

Who is Responsible for assessing the loss accounting, proper transmission priority, and energy profile accommodation on a tag?

A. Purchase Selling Entities
B. Transmission Providers
C. Reliability Coordinators
D. Balancing Authority

A

D. Balancing Authority

17
Q

Which is the most appropriate definition of Unilateral Inadvertent Payback

A. A schedule is implemented with a Balancing Authority that has an inadvertent interchange accumulation in the opposite direction

B. The payback is through an AGC offset of up to the Balancing Authorities Frequency Bias

C. A schedule is implemented with a Balancing Authority that has an inadvertent interchange accumulation in the opposite direction

A

C. A schedule is implemented with a Balancing Authority that has an inadvertent interchange accumulation in the opposite direction

18
Q

Which is the most appropriate definition of Bilateral Inadvertent Payback

A. The payback is through an AGC offset of up to the Balancing Authorities Frequency Bias

B. The payback is through an AGC offsetof up to the Balancing Authorities L10

C. A schedule is implemented with a Balancing Authority that has an inadvertent interchange accumulation in the opposite direction

A

C. A schedule is implemented with a Balancing Authority that has an inadvertent interchange accumulation in the opposite direction

19
Q

Which of the following entites is responsible for confirming and implementing interchange schedules?

A. Transmission Service Provider

B. Reliability Coordinator

C. Source Balancing Authority

D. Sink Balancing Authority

A

D. Sink Balancing Authority

20
Q

Which of the following entities have the authority to share interchange transaction information amongst themselves?

A. Purchasing Selling Entities
B. Marketers from different companies
C. Reliability Coordinators
D. Generation Operators

A

C. Reliability Coordinators

NERC PREP (24 decks)

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