NERC RC Exam (Latest Update 2024) Questions and Answers

Common standard time period for station battery to handle outage of AC power to chargers 8-12 hours Time to restore data exchange redundancy when redundancy testing by RC/TOP/BA deemed unsuccessful 2 hours Tr ...

Common standard time period for station battery to handle outage of AC power to chargers 8-12 hours Time to restore data exchange redundancy when redundancy testing by RC/TOP/BA deemed unsuccessful 2 hours Transition period to backup control facility (fully functioning) 2 hours Annual testing of backup control facility must prove to be functional for this long 2 hours Every 2 years TO/TOP/DSP must provide how many hours of system restoration training to field switching personnel 2 hours Every 2 years GOP's with blackstart resources shall provide how many hours of training to operating personnel responsible for startup 2 hours BAL-002 default contingency reserve restoration period (following disturbance recovery period) 90 minutes How often should BA calculate and record inadvertent interchange 60 minutes/hourly How often should BA provide MW-hour meter readings to adjacent BA's 60 minutes/hourly TLR procedure (identifying TLR level and actions to be implemented) needs updating how often 60 minutes/hourly Hourly ATC for next 48 hours calculated how often 60 minutes/hourly During EEA2/3 the energy deficient entity needs to update the RC how often until alert is terminated 60 minutes/hourly DOE-417 (disturbance reporting) should be completed by when 60 minutes BA with loss of resources must submit RFI with start time no more than how far beyond the resource loss 60 minutes Sink BA should ensure interchange modifications are submitted how soon after the modification 60 minutes If unable to calculate ACE for this long, BA must notify RC 30 minutes ACE cannot exceed BAAL for how long 30 minutes If AVR, PSS, or other voltage control device status changes from normal operation, GOP must notify TOP within how long of the change (if it does not last longer than this, no reporting necessary) 30 minutes GOP must notify TOP of change in reactive capability how quick 30 minutes TOP should return from unknown operating state how quick 30 minutes IROL Tv should be less than or equal to... (system should be returned to IROL within this time frame of exceeding) 30 minutes RC completes RT assessments of SOL/IROL violations how often 30 minutes Once BA/TOP notifies RC of emergency conditions, RC has how long to notify other BA/TOP's and neighboring RC's 30 minutes Unplanned evacuation from BES control center facility is reportable by BA/TOP/RC if it lasts longer than... 30 minutes Complete loss of communication (including backup) is reportable if it lasts longer than... 30 minutes Planned or unplanned telemetering & control equipment outages of more than how many minutes but be reported 30 minutes Default ramp rate for Western Interconnection interchange schedules 20 minutes When BA unable to calculate ACE > 30 minutes, they have how long to report to RC 15 minutes Default disturbance recovery period (time to return ACE to 0 following a disturbance, DCS) 15 minutes Congestion management requests in Eastern Interconnection from one RC to another must be implemented how quickly 15 minutes Voltage deviation of >/= 10% nominal is reportable after how long 15 minutes Uncontrollable loss of firm load for how long is reportable (previous years peak demand >3000; >/+300mw - otherwise 200mw) 15 minutes Transmission & generator data including status, output capability, output, phase angle settings, avr status, etc. should be updated every how many minutes 10 minutes If BA denies interchange, they have how long to notify RC 10 minutes Default ramp rate for for Eastern Interconnection interchange schedules 10 minutes Unscheduled flow transmission relief requested by the TOP should be approved by the RC how quickly 5 minutes Ramp for interchange schedules starts how soon before start of schedule 5 minutes Multiple contingencies within how many minutes of each other are reported as a single contingency 1 minute MW reportable threshold for sudden loss of gen 2000mw Ace calculation occurs how often 6 seconds When EEA3 is terminated, the EDE should submit a report to the RC how soon after termination/downgrading 2 business days How often is ATC for next 31 days calculated 24 hours/daily When a reportable threshold has been met, the responsible entity has how long to report 24 hours/next business day GOP with blackstart resource must notify TOP of any change to capabilities affecting ability to meet restoration plan within how long of the change 24 hours RC/BA/TOP should test primary control center data exchange capabilities for redundant functionality at least how often 90 calendar days TOP should update and submit the restoration plan to the RC within how long after identifying unplanned permanent system modifications 90 calendar days Changes to Operating plan with regards to backup facility should be updated/approved within how many days of the change 60 calendar days TOP must provide copy of voltage schedule to RC or neighboring TOP's within how long of a request 30 calendar days TOP must provide criteria used to develop voltage schedule or reactive power schedule to an inquiring GOP within how long of the request 30 calendar days GO should provide tap settings/ranges and impedance data to TOP & transmission planner within how long of a request 30 calendar days When BA/TOP submits Emergency Operating plan to RC, the RC has how long to review and notify of results 30 calendar days RC has how long to approve/dissapprove TOP restoration plan 30 calendar days GOP should provide blackstart test results to RC/TOP within how long of request 30 calendar days RC should distribute revised restoration plans to each TOP & neighboring RC within how many days of revision/creation 30 calendar days Conflicts between neighboring RC restoration plans should be resolved how quickly 30 calendar days LSE, Transmission/Resource planners must share available amount of interruptible load & DCLM to TOP/BA/RC within how many days 30 calendar days CPS-1 compliance factor is for how long of a period 12 months CPS-1 measures the average frequency vs. NERC frequency target how often 1 minute CPS-1 12 month compliance factor is evaluated how often monthly How often should BA check and calibrate time error and frequency devices against a common reference 12 months/annually Minimally, BA/RSG's should review probable contingencies to determine MSSC how often 12 months/annually Operating procedures should be reviewed by RC how often? Annually, no more than 15 months ATC for the next 12 months (months 2-13) should be calculated how often Weekly Operating plan contact information should be reviewed/validated how often 12 months/annually RC backup facility functionality should be evaluated at least how often 12 months/annually Operating personnel should be trained (documented) on restoration plan and procedures how often 12 months/annually TOP should review and submit restoration plan to RC how often 12 months/annually RC should conduct how many restoration drills each calendar year to include TOP/GOP's? 2 How long do you need to wait to reuse interchange tag numbers 12 months System restoration plans/procedures for simulation should be tested and verified how often At least every 3 years How often are blackstart resources required to be tested At least every 3 years TOP should verify through analysis of actual events, steady state, and dynamic simulations/testing that the restoration plan accomplishes intended function how often At least every 5 years Zone 3 relays look at what percent of a line 150% Zone 2 relays look at what percent of a line 120% Zone 1 relays look at what percent of a line 90% CPS-1 compliance factor requirement at least 100% DCS states that the BA should return ACE to 0 within the recovery period for what percent of reportable disturbances 100% BA's frequency & ACE metering equipment should be available with a minimum accuracy of 0.001Hz for what percent of the year 99.5% According to DCS, a contingency is considered a reportable disturbance if it is what percent of the MSSC 80% Voltage deviation of what percent nominal voltage for extended period of time is reportable 10% To restore 1Hz frequency, how much load would need to be shed 6-10% During restoration, BES should be operated no more than what percent above or below nominal voltage profile 10% During restoration, loads should be added in blocks not to exceed what percent of synchronized generating capability 5% Good rule of thumb - frequency will sag 0.5Hz for what percent increase in load 5% System wide voltage reduction of what percent is reportable for TOP 3% Firm load shedding of how many MW (regardless if manually shed or auto shed) is reportable by the initiating entity 100mw What time should planned outage information be reported by the TOP to the affected TOP/BA/RC? 1200 UFLS & UVLS threshold 300mw When an entity makes a change to the documented CIP Senior Manager, it must be updated within how long 30 days How soon is the selected unaffiliated third-party reviewing the TO/TOP security plan required to complete the review 90 days If third-party reviewing TO/TOP security plan recommends changes, how long does the TO/TOP have to modify plan or provide reasons for no modifications 60 days Alternative interpersonal communication capability testing should be completed how often by TOP/BA/RC 30 days/monthly If alternative interpersonal communication testing is unsuccessful, how long does TOP/BA/RC have to initiate repair or replacement 2 hours When is it required to notify entities of defective or non-working interpersonal communication capabilities 30 minutes How long does TOP/RC/BA have to report communication capability failure 1 hour How many hours of emergency operations training must each BA/TOP provide to their operating personnel 32 hours B in ACE equation should be what percent of annual peak load 1% How long must time error corrections last at minimum 1 hour A generator must be equipped with a governor if it is over how many mw 10mw What is the normal governor droop 5% A governor is isochronous if the droop is what 0% What is the minimum BAAL compliance score 90%