BAL-003

Question 1

Balancing power is provided by the ___ energy stored as ___ inertial energy in the rotating mass of the generator.

Answer 1

kinetic
inertial

Question 2

___ response and ___ response occur when there’s a loss of generation to counter the frequency change.

Answer 2

Load
Governor

Question 3

Load Response (Load dampening)

Answer 3

Occurs when drop in frequency causes motor frequency to drop, reducing motor load. 1% drop in frequency results in 3% drop of motor load. 1% drop in frequency causes 2% drop total load.

Question 4

Governor Response

Answer 4

Generation response inversely to direction of frequency change through governor action. 3-4 second delay.

Question 5

What is the largest contributor to frequency response?

Answer 5

Governor Response

Question 6

What does the governor regulate?

Answer 6

Primary mover

Question 7

How do you find governor droop?

Answer 7

Net frequency change/60Hz

Question 8

What does the Governor Droop allow?

Answer 8

Parallel operations of many different size generators

Question 9

Generators respond to frequency disturbances in ___ to their size if they have ___ Governor Droop.

Answer 9

proportion
the same

Question 10

How do you calculate MW change per frequency change using Governor droop?

Answer 10

Ratio: max MW change/max frequency change = x MW/frequency change

Question 11

The Governor deadband’s frequency change is ___.

Answer 11

0.036Hz

Question 12

In addition to Governor response, the ___ will pulse generators to increase generation in the event of frequency ___.

Answer 12

AGC
drop

Question 13

Frequency Response Obligation (FRO) is calculated ___ based on the Balancing Authority’s percentage of the ___ and ___ in the Interconnection it belongs to.

Answer 13

Annually
generation
load

Question 14

Define Frequency Response Measure (FRM)

Answer 14

Median of all Frequency Responses observed for the frequency deviation events identified by NERC for the previous year.

Question 15

BAL-003 ensures that BA’s frequency response is sufficient to maintain Interconnection Frequency Response ___ or ___ than the Interconnection Frequency Response Obligation.

Answer 15

equal to
more negative

Question 16

Frequency Bias setting is determined by ___, using ___.

Answer 16

NERC
last year’s FRM data

Question 17

If using variable Frequency Bias Setting, it must be maintained at ___ at all times, and ___ than its FRO when frequency varies from 60Hz by more than +/-0.036HZ,

Answer 17

less than zero
equal to or more negative