PJM TEST PREP BRAND NEW OFFICIAL
QUESTIONS WITH ANSWERS.
This type of warning is issued when available Synchronized
Reserves are less than the Synchronized Reserve requirement. -
correct answer -Voltage Reduction Warning
This type of capacity alert is issued when the estimated operating
reserve capacity is less than the forecasted synchronized reserve
requirement - correct answer -Voltage Reduction Alert
Which of the following events may prompt PJM to adopt
Conservative Ops?
a. A member company has rec'd a credible bomb threat against
one of their BES substations
b. a steam generating unit cannot reach full MVAR output b/c of
plugged heat exchangers on the Generator cooling system
c. NOAA has reported a solar storm of K6 intensity is currently
being experienced
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d. a natural gas pipeline supplying gas to several CTs has
developed a leak, and gas supplies will be limited while repairs
are made - correct answer -a & b
Conservative Ops Triggers - correct answer -fuel delivery issues
Geomagnetic Disturbances (GMDs)
Terrorist/Sabotage
What are some GENERAL actions PJM might take when initiating
Conservative Ops? (2)
purchase / load additional reserves
raise IROL Transfer limits
cancel all SOS conference calls
begin studying double contingencies - correct answer -purchase /
load additional reserves & begin studying double contingencies
(can also LOWER IROL and INCREASE number of SOS calls)
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The purpose of the Heavy Load Voltage Schedule Action is to
increase reactive reserves on: - correct answer -The EHV System
Under the national Terrorism Advisory System (NTAS) there are 2
types of alerts: - correct answer -Elevated Threat and Imminent
Threat Alert
The following would be considered non-critical plant load:
a. lighting
b. office area a/c
c. induction fans
d. feed water pumps - correct answer -lighting and office area a/c
What is the purpose of a capacity emergency warning?
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a. to inform NERC of expected RTO status for a future failure
b. to keep Members informed of actual capacity shortages or
contingencies that may jeopardize reliability during RT ops
c. to ask Members to take specific actions in order to provide
relief to the PJM system
d. to keep all affected system personnel aware of the forecast
and/or actual status of the PJM RTO - correct answer -to keep
Members informed of actual capacity shortages or contingencies
that may jeopardize reliability during RT ops AND to keep all
affected system personnel aware of the forecast and/or actual
status of the PJM RTO
Which of the following steps would PJM take as part of initiating
Conservative Ops?
a. Initiate additional off-cost operations to limit or reduce flows
across critical interfaces
b. implement a 5% Voltage Reduction across the entire RTO to
correct high system voltages