NERC Test Questions and Verified Correct Answers Latest Update 2023-2024 Questions and Verified Correct Answers Guaranteed Success A Reliability Adjustment Arranged Interchange must be approved by who? - ANS Only the source and sink, the key word to remember is Adjustment
A TO must coordinate its load shedding plans, excluding UFLS, with who? - ANS Other interconnected TO and BA
According to EOP-002, what actions are acceptable in an operating capacity or energy emergency by a BA? - ANS Bringing on all available generation, postponing equipment maintenance, scheduling interchange purchases, and reduce firm load
According to NERC, where should voltage be maintained during restoration? - ANS 90 to 110 percent of Nominal
After a system modification is made, how long does the TO have to update restoration plans? - ANS 90 days
After how long does a complete loss of monitoring capability meet reporting threshold?
- ANS 30 minutes
After how long must a complete loss of voice communications be reported? - ANS 30 minutes
An RC backup control facility is not required to be available during what two conditions? - ANS Planned outages of two weeks or less; unplanned outages
BA and RC are given responsibility and authority to make decisions to alleviate what? - ANS Capacity and energy emergencies
BA not serving native load minimum frequency bias is based on... - ANS The montlhly average Frequency Bias is at least 1 % of the BA estimated yearly peak generation per .1 Hz (Load = 1 % demand; No Load = 1 % Gen)
BA serving native load minimum frequency bias is based on... - ANS The monthly average Frequency Bias is at least 1% of the BA estimated yearly peak demand per .1 Hz (Load = 1 % demand; No Load = 1 % Gen)
By what means does an RC notify other RCs of a declared EEA? - ANS The RCIS - Reliability Coordinator Information System
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Describe Attachment 1 and attachment 2 of EOP-004 Event Reporting: - ANS Att 1 is the events required to be reported; Att 2 is the Event Reporting Form
During an EEA 2 what must BA and market participants with resources do to help? - ANS Immediately contact the Energy Deficient Entity
Each BA and RC shall have the ____ and clear decision-making ____ to take whatever actions are needed to ensure reliability of its respective area... - ANS responsibility and authority
Each BA must report its Bias Setting and the method for determining it to which entity?
- ANS NERC Operating Committee
Emergency plans are made for what three conditions? - ANS Generating Capacity loss, Transmission System loss, Load Shedding plans
Events meeting event report threshold: - ANS Damage, destruction or physical threats physical threats to a facility, physical threats to a control center, public appeal for load reduction, system-wide voltage reduction >3%, manual or automatic firm load shedding >100MW; voltage deviation +/- 10% for 15 minutes; IROL or SOL violation, loss of Firm load, System separation (islanding), generation loss, complete loss of offsite power to a nuclear plant, transmission loss, control center evacuation, complete loss of voice comm or monitoring capabilities
Following a Contingency or other event that results in an IROL violation, how long does the TO have to bring the system back into limits? - ANS As soon as possible and not to exceed 30 minutes
For how long must a BES control center be evacuated to meet the event reporting requirement? - ANS 30 minutes
Frequency Bias needs to be as close as practical to or _______ than the BA Frequency Response. - ANS Bias setting must be equal to or GREATER than the frequency response
Geo magnetic disturbances induce what type of current? - ANS Large amounts of low frequency current that can enter the system through grounds and cause equipment damage, namely to transformers
How can an EEA be initiated? - ANS Only by an RC at the RCs own request, upon request of a BA or upon request of a LSE
How do we know comms will be good? - ANS They will manage, alarm, test and/or actively monitor, especially emergency comm facilities and equipment (non-routine equipment)
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How does a BA account for the Frequency Bias of a shared unit? - ANS Each BA will account for their portion of the governor droop response in their Bias Setting
How does BA include remote BA, jointly owned generation in its ACE? - ANS Using dynamic schedule and pseudo ties for its ACE, reflecting its respective share of the unit governor droop response in their Hz Bias.
How long can a BA rely on the assistance provided by the Interconnections frequency bias? - ANS Only the time needed to implement corrective actions
How long can an RC have only one available control center? - ANS Planned outages of primary or backup facilities of two weeks or less do not require the minimum two facilities
How long does a BA have to recover from a reportable disturbance? - ANS Within 15 minutes, known as the disturbance recovery period
How long is the Contingency Reserve Restoration period? - ANS 90 minutes
How long is the Disturbance Recovery Period? - ANS A BA must return ACE to its proper value within 15 minutes
How many days of training and drills using realistic simulations of system emergencies must a TO or BA participate in yearly? - ANS 32 hours of training/year
How many days of training and drills using realistic simulations of system emergencies must an RC participate in yearly? - ANS 32 hours of training/year
How many system restoration drills, exercises or simulations must be conducted by an RC each year? - ANS 2 system restoration drills, exercises or simulations
How much contingency reserve needs to be carried by a BA? - ANS Enough to cover the most severe single contingency
How much does a 1% change in frequency change load? - ANS Directly proportional 2% change in load
How much does a 2% change in load change frequency? - ANS Directly proportiaonal 1% change in frequency
How much load needs to be shed to raise frequency 1 Hz in a restoration condition? - ANS 6-10% for 1 Hz
How much time and how frequently must a GO train its personnel on starting a Blackstart Resource and energizing a bus? - ANS 2 hours every 2 years minimum
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