What is the threshold for having a satellite phone? - ANSWER-500 MW
How often is reactive testing completed? - ANSWER-5 years
Which of the following would NOT be a cause for a sudden deviation
in the balancing area ACE?
1) Incorrect interchange number
2) Loss of a tie-line RTU
3) Loss of internal load
4) Loss of adjacent control area generation - ANSWER-Loss of
adjacent control area generation
PJM should be made aware of any fuel shortage that a generator may
experience. This information assists in analyzing the resources and
reliably operating the system. A heightened awareness is expected
during: - ANSWER-Extreme hot or cold conditions
If a fossil steam unit has less than 32 hours of fuel at max capacity, it
should be bid at: - ANSWER-Maximum Emergency
A tie line with MW flowing into the PJM control area trips. The system
operator will see which of the following occur?
,1) Ace will decrease, frequency will decrease
2) ACE will increase, frequency will increase
3) ACE will decrease, frequency will remain the same
4) ACE and frequency will remain the same - ANSWER-ACE and
frequency will remain the same
What is PJM's regulation requirement during a
system restoration? - ANSWER-2% of current load
What is the maximum time limit for outages that occur during the PJM
Peak Period Maintenance season? - ANSWER-9 Days
Maximum emergency generation is declared by PJM when which of
the following occurs? - ANSWER-20 MVA
When a data link is down, how often must PJM be updated? -
ANSWER-30 minutes or agreed upon change
What must be done prior to removing a self scheduled unit from
service? - ANSWER-Give PJM option to take over the unit for the
market
What is the purpose of an exciter? - ANSWER-Control voltage by
controlling VARs
,The mechanical device on a transformer that controls deviation in
voltage is called?
1) Primary winding
2) AVR
3) Load tap changer - ANSWER-LTC: Load Tap Changer
Operating reserve must equal the sum of: - ANSWER-1) Spinning
2) Quick Start
3) Secondary
In order to lower system voltage: - ANSWER-MW must decrease to
decrease MVAR
PJM performs a Reliability Assessment Commitment starting with the
results of the DA market. What philosophy does PJM use when
performing this RAC? - ANSWER-Minimize startups and no loads
Emergency reducible generation is defined as the difference between:
- ANSWER-Normal minimum generation and emergency minimum
generation
Increasing frequency will increase what type of reactance? -
ANSWER-Inductance
Increasing frequency has no effect on: - ANSWER-Resistance
, What is the emergency threshold for reporting a steam unit as fuel
limited? - ANSWER-72 Hours
What is an example of a quick start reserve? - ANSWER-Hydroelectric
What 2 components make up contingency reserve? - ANSWER-
Spinning and quick start
Partial system blackouts are characterized by which
of the following?
1) Most common type
2) May require coordinating multiple islands
3) Likely to result in transmission overloads or other issues
4) Affects a very large geographic area, and many customers
5) Most commonly caused by human or switching errors -
ANSWERLikely to result in transmission overloads or other issues
Which of the following is not considered when clearing the DA
market?
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