NERC TEST QUESTIONS WITH ANSWERS
What percentage of load gives a 1 Hz change in an island condition?
~CORRECT ANSWER~6-10% (Think 6-10 day island vacation)
If ACE is Zero but system Hz is off, what should a system operator do?
~CORRECT ANSWER~Nothing! ACE bias and interchange schedule will
improve frequency
If ACE is Zero, why not adjust generation to help frequency? ~CORRECT
ANSWER~Could overload equipment, this is a NERC violation
When restoring from blackout condition, what should be done with load?
~CORRECT ANSWER~All load breakers should be opened, load should be
restored in a controlled manner not to exceed 5% of current available gen
What's the point of COM-001? ~CORRECT ANSWER~Each TO, BA, RC and
NERCNet Use Orgs need to have good comms
Where do they need to have comms? ~CORRECT ANSWER~Internal,
Between RC, TO and BA, Other RC, TO, BA and authorities
Where applicable comms should be ______ and _______ routed. ~CORRECT
ANSWER~Redundant and Diversely routed, just in case something fails
,How do we know comms will be good? ~CORRECT ANSWER~They will
manage, alarm, test and/or actively monitor, especially emergency comm
facilities and equipment (non-routine equipment)
When can languages other than English be used? ~CORRECT
ANSWER~Only for internal operation, Operation of the BES requires comms
in English
What is required so operation during a loss of comms will be ensured?
~CORRECT ANSWER~Written operating instructions and procedures
What is the point of COM-002? ~CORRECT ANSWER~Ensure BA, TO, GO,
and RC have comms and capability to use them for addressing emergency
and that operators are trained to use them
Who should a BA or TO notify if they are aware of any condition that could
threaten area reliability or when shedding load? ~CORRECT
ANSWER~Notify their RC and any other potentially affected BA or TO
How should directives be issued by an RC, TO or BA? ~CORRECT
ANSWER~In a clear, concise and definitive manner, using 3 part(way)
communications
Who is required to create a blackstart restoration plan? Who approves it?
~CORRECT ANSWER~Transmission Operators; Its RC
, When is the blackstart condition finished? ~CORRECT ANSWER~When the
choice of the next load to be restored is not driven by frequency and voltage
control
Who directs the procedure for restoring interconnection between Tos?
~CORRECT ANSWER~RC
What must be done prior to implementing changes in a restoration plan?
~CORRECT ANSWER~The parties invloved must be told of changes to their
role and specific tasks prior to implementation.
How often must the plan be confirmed given no changes were made?
~CORRECT ANSWER~TO annually review the plan and report to RC
After a system modification is made, how long does the TO have to update
restoration plans? ~CORRECT ANSWER~90 days
Where is a copy of the restoration plan required to be kept? ~CORRECT
ANSWER~Main and backup control rooms
What must be done on the restoration plan every five years? ~CORRECT
ANSWER~Analyze the plan through actual events, steady state and dynamic
simulations or testing that the plan can work as intended.
How often must a Blackstart Resource verify it can meet real and reactive
power requirements of its cranking path and intial load? ~CORRECT
ANSWER~Every 5 years
What percentage of load gives a 1 Hz change in an island condition?
~CORRECT ANSWER~6-10% (Think 6-10 day island vacation)
If ACE is Zero but system Hz is off, what should a system operator do?
~CORRECT ANSWER~Nothing! ACE bias and interchange schedule will
improve frequency
If ACE is Zero, why not adjust generation to help frequency? ~CORRECT
ANSWER~Could overload equipment, this is a NERC violation
When restoring from blackout condition, what should be done with load?
~CORRECT ANSWER~All load breakers should be opened, load should be
restored in a controlled manner not to exceed 5% of current available gen
What's the point of COM-001? ~CORRECT ANSWER~Each TO, BA, RC and
NERCNet Use Orgs need to have good comms
Where do they need to have comms? ~CORRECT ANSWER~Internal,
Between RC, TO and BA, Other RC, TO, BA and authorities
Where applicable comms should be ______ and _______ routed. ~CORRECT
ANSWER~Redundant and Diversely routed, just in case something fails
,How do we know comms will be good? ~CORRECT ANSWER~They will
manage, alarm, test and/or actively monitor, especially emergency comm
facilities and equipment (non-routine equipment)
When can languages other than English be used? ~CORRECT
ANSWER~Only for internal operation, Operation of the BES requires comms
in English
What is required so operation during a loss of comms will be ensured?
~CORRECT ANSWER~Written operating instructions and procedures
What is the point of COM-002? ~CORRECT ANSWER~Ensure BA, TO, GO,
and RC have comms and capability to use them for addressing emergency
and that operators are trained to use them
Who should a BA or TO notify if they are aware of any condition that could
threaten area reliability or when shedding load? ~CORRECT
ANSWER~Notify their RC and any other potentially affected BA or TO
How should directives be issued by an RC, TO or BA? ~CORRECT
ANSWER~In a clear, concise and definitive manner, using 3 part(way)
communications
Who is required to create a blackstart restoration plan? Who approves it?
~CORRECT ANSWER~Transmission Operators; Its RC
, When is the blackstart condition finished? ~CORRECT ANSWER~When the
choice of the next load to be restored is not driven by frequency and voltage
control
Who directs the procedure for restoring interconnection between Tos?
~CORRECT ANSWER~RC
What must be done prior to implementing changes in a restoration plan?
~CORRECT ANSWER~The parties invloved must be told of changes to their
role and specific tasks prior to implementation.
How often must the plan be confirmed given no changes were made?
~CORRECT ANSWER~TO annually review the plan and report to RC
After a system modification is made, how long does the TO have to update
restoration plans? ~CORRECT ANSWER~90 days
Where is a copy of the restoration plan required to be kept? ~CORRECT
ANSWER~Main and backup control rooms
What must be done on the restoration plan every five years? ~CORRECT
ANSWER~Analyze the plan through actual events, steady state and dynamic
simulations or testing that the plan can work as intended.
How often must a Blackstart Resource verify it can meet real and reactive
power requirements of its cranking path and intial load? ~CORRECT
ANSWER~Every 5 years
