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[Show more]You are an external BA with a frequency bais of 20 MW/.1 Hz that sees a frequency of 60.02 due to a large loss of load in the contingent BA. If your generator governor control systems responded to the frequency deviation approximately how much of a generation change would you BA experience? correct ...
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Add to cartYou are an external BA with a frequency bais of 20 MW/.1 Hz that sees a frequency of 60.02 due to a large loss of load in the contingent BA. If your generator governor control systems responded to the frequency deviation approximately how much of a generation change would you BA experience? correct ...
A Balancing Authority notices that Operating Reserve has steadily declined throughout the hour. What is the most likely cause? 
 
a) Loss of a large generator in the area 
b) An inaccurate load forecast 
c) Loss of a major transmission line 
d) A malfunction of EMS correct answer: b) An inaccurate ...
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Add to cartA Balancing Authority notices that Operating Reserve has steadily declined throughout the hour. What is the most likely cause? 
 
a) Loss of a large generator in the area 
b) An inaccurate load forecast 
c) Loss of a major transmission line 
d) A malfunction of EMS correct answer: b) An inaccurate ...
Common standard time period for station battery to handle outage of AC power to chargers correct answer: 8-12 hours 
 
Time to restore data exchange redundancy when redundancy testing by RC/TOP/BA deemed unsuccessful correct answer: 2 hours 
 
Transition period to backup control facility (fully fu...
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Add to cartCommon standard time period for station battery to handle outage of AC power to chargers correct answer: 8-12 hours 
 
Time to restore data exchange redundancy when redundancy testing by RC/TOP/BA deemed unsuccessful correct answer: 2 hours 
 
Transition period to backup control facility (fully fu...
1. If a 500 kV transmission line with a surge impedance loading of 800 MW is currently loaded at 1400 MW, which of the following events would most likely occur? 
 
a. Generator MVAR output would increase 
b. All system capacitors would trip off-line 
c. Generator MVAR output would decrease 
d. All a...
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Add to cart1. If a 500 kV transmission line with a surge impedance loading of 800 MW is currently loaded at 1400 MW, which of the following events would most likely occur? 
 
a. Generator MVAR output would increase 
b. All system capacitors would trip off-line 
c. Generator MVAR output would decrease 
d. All a...
The Reliability Coordinator just informed you of a slow time error correction which will begin at the top of the next hour. Your EMS system will not let you change your scheduled frequency. Your Frequency Bias Setting is -100 MW/.1Hz. What action should you take? 
 
A) Increase Net Interchange Sched...
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Add to cartThe Reliability Coordinator just informed you of a slow time error correction which will begin at the top of the next hour. Your EMS system will not let you change your scheduled frequency. Your Frequency Bias Setting is -100 MW/.1Hz. What action should you take? 
 
A) Increase Net Interchange Sched...
A transmission line is operating with a voltage phase angle different of 30 degrees between the sending Vs and the receiving bus Vr. If the receiving end load is suddenly increased, the voltage phase angle difference will be? correct answer: The phase angle will increase. When load is increased pha...
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Add to cartA transmission line is operating with a voltage phase angle different of 30 degrees between the sending Vs and the receiving bus Vr. If the receiving end load is suddenly increased, the voltage phase angle difference will be? correct answer: The phase angle will increase. When load is increased pha...
When current in an AC circuit is doubled, power losses in the circuit will respond in which way? 
 
a) half as much 
b) does not change 
c) doubles 
d) four times greater correct answer: d) four times greater 
 
What determines the size of insulators used on power lines? 
 
a) Current flow on the...
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Add to cartWhen current in an AC circuit is doubled, power losses in the circuit will respond in which way? 
 
a) half as much 
b) does not change 
c) doubles 
d) four times greater correct answer: d) four times greater 
 
What determines the size of insulators used on power lines? 
 
a) Current flow on the...
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When using a dynamic schedule and the energy profile in an hour is >250 MW and the actual hourly integration deviates from the hourly energy profile by ____ the tag must be modified. 
A. 100 MW 
B. 10% 
C. 50 MW 
D. 25% correct answer: B. 10% 
 
Dry steam plants, flash steam plants, and binary c...
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Add to cartWhen using a dynamic schedule and the energy profile in an hour is >250 MW and the actual hourly integration deviates from the hourly energy profile by ____ the tag must be modified. 
A. 100 MW 
B. 10% 
C. 50 MW 
D. 25% correct answer: B. 10% 
 
Dry steam plants, flash steam plants, and binary c...
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, ...
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Add to cartWhat 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, ...
If a Balancing Authority does not comply with the Control Performance Standard, the Balancing Authority is not permitted to provide which of the following for any other Balancing Authority entities? correct answer: Regulation of other services related to control performance 
 
1. It is the obligati...
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Add to cartIf a Balancing Authority does not comply with the Control Performance Standard, the Balancing Authority is not permitted to provide which of the following for any other Balancing Authority entities? correct answer: Regulation of other services related to control performance 
 
1. It is the obligati...
component of an electrical power system that can function as a motor or as a VAR generator is called a: correct answer: Synchronous condenser 
 
What are examples of measuring devices in system protection? correct answer: Current transformers, potential transformers, coupling capacitance voltage t...
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Add to cartcomponent of an electrical power system that can function as a motor or as a VAR generator is called a: correct answer: Synchronous condenser 
 
What are examples of measuring devices in system protection? correct answer: Current transformers, potential transformers, coupling capacitance voltage t...
A misoperation occurred when an overhead ground wire on a 230KV transmission line between two substations broke and fell across A phase of the line. One of the line circuit breakers failed to open causing the breaker failure relay to pick up and as a result tripped the entire substation bus off line...
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Add to cartA misoperation occurred when an overhead ground wire on a 230KV transmission line between two substations broke and fell across A phase of the line. One of the line circuit breakers failed to open causing the breaker failure relay to pick up and as a result tripped the entire substation bus off line...
At what torque angle of operation does power typically begin to flow from the generator to the system? 
 
A) 90 degrees 
B) 60 degrees 
C) 30 degrees 
D) 10 degrees correct answer: 10 degrees 
 
Choose the answer that best describes the operation of a rotor. 
 
A) The stationary part of the trans...
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Add to cartAt what torque angle of operation does power typically begin to flow from the generator to the system? 
 
A) 90 degrees 
B) 60 degrees 
C) 30 degrees 
D) 10 degrees correct answer: 10 degrees 
 
Choose the answer that best describes the operation of a rotor. 
 
A) The stationary part of the trans...
According to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ correct answer: 60 minutes 
 
A BA or LSE that requests an EEA 3 must complete and EEA 3 report and submit it to the RC within how many days correct answer: 2 business d...
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Add to cartAccording to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ correct answer: 60 minutes 
 
A BA or LSE that requests an EEA 3 must complete and EEA 3 report and submit it to the RC within how many days correct answer: 2 business d...
CIP-002 correct answer: BES Cyber System Categorization 
 
CIP-003 correct answer: Security Management Controls 
 
CIP-004 correct answer: Personnel and Training 
 
CIP-005 correct answer: Electronic Security Perimeter 
 
CIP-006 correct answer: Physical Security of BES Cyber Systems 
 
CIP-007...
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Add to cartCIP-002 correct answer: BES Cyber System Categorization 
 
CIP-003 correct answer: Security Management Controls 
 
CIP-004 correct answer: Personnel and Training 
 
CIP-005 correct answer: Electronic Security Perimeter 
 
CIP-006 correct answer: Physical Security of BES Cyber Systems 
 
CIP-007...
EDE - Energy Deficient Entity 
 
Ime - meter error 
 
DCS - Disturbance Control Standard 
 
DFRs - Digital Fault Recorder 
 
LOFT - Linear on the fly testing 
 
SCADA - Supervisory Control and Data Acquisition 
 
EMS - Emergency Management System 
 
SPS - Special Protection Systems 
 
ACE - Area Con...
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Add to cartEDE - Energy Deficient Entity 
 
Ime - meter error 
 
DCS - Disturbance Control Standard 
 
DFRs - Digital Fault Recorder 
 
LOFT - Linear on the fly testing 
 
SCADA - Supervisory Control and Data Acquisition 
 
EMS - Emergency Management System 
 
SPS - Special Protection Systems 
 
ACE - Area Con...
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System studies identify what correct answer: Predict operations and identify constraints 
 
If ACE remains the same and frequency goes up what has happened? correct answer: Someone lost load 
 
When a generator has its AVR in service it is a? correct answer: Dynamic source of reactive power 
 
Bl...
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Add to cartSystem studies identify what correct answer: Predict operations and identify constraints 
 
If ACE remains the same and frequency goes up what has happened? correct answer: Someone lost load 
 
When a generator has its AVR in service it is a? correct answer: Dynamic source of reactive power 
 
Bl...
Operating reserve may be provided by which of the following? 
A. LTCs 
B. Capacitor banks 
C. Voltage regulators 
D. Interruptible loads correct answer: D. Interruptible loads 
 
Which of the following is the responsibility of a reserve sharing group (RSG)? 
A. Complying with DCS as if it was a sin...
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Add to cartOperating reserve may be provided by which of the following? 
A. LTCs 
B. Capacitor banks 
C. Voltage regulators 
D. Interruptible loads correct answer: D. Interruptible loads 
 
Which of the following is the responsibility of a reserve sharing group (RSG)? 
A. Complying with DCS as if it was a sin...
BAL-001-0.1a correct answer: Real Power Balancing Control Performance 
 
BAL-STD-002-0 correct answer: Operating Reserves (WECC) 
 
BAL-003-0.1b correct answer: Frequency Response and Bias 
 
BAL-004-0 correct answer: Time Error Correction 
 
BAL-004-WECC-01 correct answer: Automatic Time Error...
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Add to cartBAL-001-0.1a correct answer: Real Power Balancing Control Performance 
 
BAL-STD-002-0 correct answer: Operating Reserves (WECC) 
 
BAL-003-0.1b correct answer: Frequency Response and Bias 
 
BAL-004-0 correct answer: Time Error Correction 
 
BAL-004-WECC-01 correct answer: Automatic Time Error...
What entity balances generation and monitors/employs contingency reserves? correct answer: Balancing Authority (BA) 
 
What entity has the widest system view and is the "supervisor"? correct answer: Reliability coordinator (RC) 
 
What entity monitors transmission lines and operates tap-changers...
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Add to cartWhat entity balances generation and monitors/employs contingency reserves? correct answer: Balancing Authority (BA) 
 
What entity has the widest system view and is the "supervisor"? correct answer: Reliability coordinator (RC) 
 
What entity monitors transmission lines and operates tap-changers...
Frequency Bias and Jointly Owned Units (JOU) correct answer: BAs that use dynamic schedule or pseudo-ties for a jointly owned unit share responsibility for it in their bias settings. 
Fixed schedules for JOU require host BA to include total response for them in their bias setting. 
 
Frequency Bias...
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Add to cartFrequency Bias and Jointly Owned Units (JOU) correct answer: BAs that use dynamic schedule or pseudo-ties for a jointly owned unit share responsibility for it in their bias settings. 
Fixed schedules for JOU require host BA to include total response for them in their bias setting. 
 
Frequency Bias...
How Many Active Standards are in BAL (Resource and Demand Balancing) correct answer: There are 8 Active Standards Listed Below: 
BAL-001-2 Real Power Balancing Control Performance Related Information Subject to Enforcement 
BAL-001-TRE-1 Primary Frequency Response in the ERCOT Region Related Inform...
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Add to cartHow Many Active Standards are in BAL (Resource and Demand Balancing) correct answer: There are 8 Active Standards Listed Below: 
BAL-001-2 Real Power Balancing Control Performance Related Information Subject to Enforcement 
BAL-001-TRE-1 Primary Frequency Response in the ERCOT Region Related Inform...
What group can approve a change in the Disturbance Recovery Period for an Interconnection? 
 a. NERC Interconnection Working Group 
 b. NERC Operating Committee 
 c. NERC Regional Council 
 d. NERC Disturbance Analysis Working Group correct answer: b. NERC Operating Committee 
 
What is the first t...
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Add to cartWhat group can approve a change in the Disturbance Recovery Period for an Interconnection? 
 a. NERC Interconnection Working Group 
 b. NERC Operating Committee 
 c. NERC Regional Council 
 d. NERC Disturbance Analysis Working Group correct answer: b. NERC Operating Committee 
 
What is the first t...
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