BAL-006 Inadvertent Interchange

Question 1

BAL-006 Inadvertent Interchange provides a process for Balancing Authorities to _________.

Answer 1

ensure that over the long term, they do not excessively depend on other Balancing Authority Area in the Interconnection to meet their demand or interchange obligation.

Question 2

Factors that cause inadvertent interchange include…

Answer 2

• Frequency Support
• Load changed within the Balancing Authority
• Generator Lag
• Metering Errors
• Unilateral Inadvertent Interchange Payback
• Human Error

Question 3

Two types of Inadvertent Interchange are:

Answer 3

• Primary or Unintentional Inadvertent Interchange

- Secondary or Non-scheduled Inadvertent Interchange

Question 4

Primary or Unintentional Inadvertent Interchange can be caused by_______.

Answer 4

• human error
• scheduling error
• metering error

Question 5

Secondary or Non-scheduled Inadvertent Interchange can be caused by _________.

Answer 5

• Frequency Support
• Regulation
• Governor Response

Question 6

What are the two type of payback for inadvertent interchange

Answer 6

• Bilateral Payback

- Unilateral Payback

Question 7

Bilateral Payback is accomplished via

Answer 7

interchange schedule with another Balancing Authority with inadvertent interchange accumulations in opposite direction. i.e. Sink Balancing Authority is positive while Source Balancing Authority is negative

Question 8

Unilateral Payback is accomplished via

Answer 8

controlling to a target of non-zero ACE so long as not burden to the interconnection.