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[Show more]Accelerating Power - In a GENERATOR, the difference between the MECHANICAL INPUT POWER and the electrical output POWER (assuming no LOSSES). For a GENERATOR's TORQUE ANGLE to change, the GENERATOR must have accelerating POWER. 
 
Accumulated Inadvertent - The accumulation over time of INADVER...
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Add to cartAccelerating Power - In a GENERATOR, the difference between the MECHANICAL INPUT POWER and the electrical output POWER (assuming no LOSSES). For a GENERATOR's TORQUE ANGLE to change, the GENERATOR must have accelerating POWER. 
 
Accumulated Inadvertent - The accumulation over time of INADVER...
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 - b) An inaccurate load forecas...
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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 - b) An inaccurate load forecas...
What percentage of load gives a 1 Hz change in an island condition? - 6-10% (Think 6-10 day island vacation) 
 
If ACE is Zero but system Hz is off, what should a system operator do? - Nothing! ACE bias and interchange schedule will improve frequency 
 
If ACE is Zero, why not adjust generatio...
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Add to cartWhat percentage of load gives a 1 Hz change in an island condition? - 6-10% (Think 6-10 day island vacation) 
 
If ACE is Zero but system Hz is off, what should a system operator do? - Nothing! ACE bias and interchange schedule will improve frequency 
 
If ACE is Zero, why not adjust generatio...
How much load reduction to change frequency - 6-10% Load reduction = 1HZ Frequency change same direction 
 
Largest Load block to pick up during sys resto - 5% of online generation 
 
Ratio of Voltage change to load change - 5% change in Voltage=3% change in load (distribution only) 
 
Powe...
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Add to cartHow much load reduction to change frequency - 6-10% Load reduction = 1HZ Frequency change same direction 
 
Largest Load block to pick up during sys resto - 5% of online generation 
 
Ratio of Voltage change to load change - 5% change in Voltage=3% change in load (distribution only) 
 
Powe...
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 S...
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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 S...
BAL-001-0.1a - Real Power Balancing Control Performance 
 
BAL-STD-002-0 - Operating Reserves (WECC) 
 
BAL-003-0.1b - Frequency Response and Bias 
 
BAL-004-0 - Time Error Correction 
 
BAL-004-WECC-01 - Automatic Time Error Correction 
 
BAL-005-0.1b - Automatic Generation Contro...
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Add to cartBAL-001-0.1a - Real Power Balancing Control Performance 
 
BAL-STD-002-0 - Operating Reserves (WECC) 
 
BAL-003-0.1b - Frequency Response and Bias 
 
BAL-004-0 - Time Error Correction 
 
BAL-004-WECC-01 - Automatic Time Error Correction 
 
BAL-005-0.1b - Automatic Generation Contro...
60 minutes - According to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ 
 
2 business days - 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 
 
5% - During re...
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Add to cart60 minutes - According to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ 
 
2 business days - 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 
 
5% - During re...
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...
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 ...
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Add to cartCommon 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 ...
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...
According to the NERC Functional Model, there is no difference between the function and the entity. 
 
A) True 
B) False - B) False 
 
True/False 
 
Analysis type questions are designed to be the least complex from a human cognitive process. 
 
A) True 
B) False - B) False 
 
True/False 
 
A T...
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Add to cartAccording to the NERC Functional Model, there is no difference between the function and the entity. 
 
A) True 
B) False - B) False 
 
True/False 
 
Analysis type questions are designed to be the least complex from a human cognitive process. 
 
A) True 
B) False - B) False 
 
True/False 
 
A T...
Operating reserve may be provided by which of the following? 
A. LTCs 
B. Capacitor banks 
C. Voltage regulators 
D. Interruptible loads - 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 single control ...
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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 - 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 single control ...
According to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ - 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 - 2 business days 
 
During restoratio...
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Add to cartAccording to Nerc Standards, an emergency interchange transaction can be exempt from tagging if it is less than_________________ - 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 - 2 business days 
 
During restoratio...
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...
What is the calculation used for determining inadvertent interchange? - Net actual interchange minus net scheduled interchange 
 
Which of the following would be a suitable use for a pseudo-tie? - Accounting for jointly owned generators 
 
Which of the following entities may a Balancing Area p...
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Add to cartWhat is the calculation used for determining inadvertent interchange? - Net actual interchange minus net scheduled interchange 
 
Which of the following would be a suitable use for a pseudo-tie? - Accounting for jointly owned generators 
 
Which of the following entities may a Balancing Area p...
What percentage of load gives a 1 Hz change in an island condition? - 6-10% (Think 6-10 day island vacation) 
 
If ACE is Zero but system Hz is off, what should a system operator do? - Nothing! ACE bias and interchange schedule will improve frequency 
 
If ACE is Zero, why not adjust generatio...
Preview 3 out of 22 pages
Add to cartWhat percentage of load gives a 1 Hz change in an island condition? - 6-10% (Think 6-10 day island vacation) 
 
If ACE is Zero but system Hz is off, what should a system operator do? - Nothing! ACE bias and interchange schedule will improve frequency 
 
If ACE is Zero, why not adjust generatio...
Adjacent Balancing Authority - A BA whose BA area is interconnected with another BA area either directly or via a multi-party agreement or transmission tariff 
Adverse Reliability Impact - The impact of an event that results in frequency-related instability, unplanned tripping of load or gener...
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Add to cartAdjacent Balancing Authority - A BA whose BA area is interconnected with another BA area either directly or via a multi-party agreement or transmission tariff 
Adverse Reliability Impact - The impact of an event that results in frequency-related instability, unplanned tripping of load or gener...
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? - The phase angle will increase. When load is increased phase angle wil...
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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? - The phase angle will increase. When load is increased phase angle wil...
Voltage Phase Angle - What is the difference between the voltages at one point as compared to a reference point called? 
 
Power Angle - What is the voltage phase angle difference between two points or locations on the system? 
 
leading, lagging - MWs flow from greater ____ voltage angle t...
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Add to cartVoltage Phase Angle - What is the difference between the voltages at one point as compared to a reference point called? 
 
Power Angle - What is the voltage phase angle difference between two points or locations on the system? 
 
leading, lagging - MWs flow from greater ____ voltage angle t...
Two phase conductors of a 138kV transmission line come in contact due to a storm, creating a phase to phase fault. The distance relay at each end of the line tripped and isolated the line. What two measured parameters of the line caused the distance relay to operate? 
 
Temperature and length 
MWs ...
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Add to cartTwo phase conductors of a 138kV transmission line come in contact due to a storm, creating a phase to phase fault. The distance relay at each end of the line tripped and isolated the line. What two measured parameters of the line caused the distance relay to operate? 
 
Temperature and length 
MWs ...
What entity balances generation and monitors/employs contingency reserves? - Balancing Authority (BA) 
 
What entity has the widest system view and is the "supervisor"? - Reliability coordinator (RC) 
 
What entity monitors transmission lines and operates tap-changers, breakers, capacitors, ...
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Add to cartWhat entity balances generation and monitors/employs contingency reserves? - Balancing Authority (BA) 
 
What entity has the widest system view and is the "supervisor"? - Reliability coordinator (RC) 
 
What entity monitors transmission lines and operates tap-changers, breakers, capacitors, ...
In order for a generator to qualify as regulating reserve it must have which of the following characteristics ? 
 
Generator must be ronized , and its governor blocked 
 
Generator must be off - line and available in 10 minutes 
 
Generator must be synchronized , and its governor not blocked 
 
...
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Add to cartIn order for a generator to qualify as regulating reserve it must have which of the following characteristics ? 
 
Generator must be ronized , and its governor blocked 
 
Generator must be off - line and available in 10 minutes 
 
Generator must be synchronized , and its governor not blocked 
 
...
Adjacent Balancing Authority - A Balancing Authority whose Balancing Authority Area is interconnected with another Balancing Authority Area either directly or via a multi-party agreement or transmission tariff. 
 
After the Fact - A time classification assigned to an RFI when the submittal tim...
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Add to cartAdjacent Balancing Authority - A Balancing Authority whose Balancing Authority Area is interconnected with another Balancing Authority Area either directly or via a multi-party agreement or transmission tariff. 
 
After the Fact - A time classification assigned to an RFI when the submittal tim...
30 consecutive clock-minutes - Each Balancing Authority shall operate such that its clock-minute average of Reporting ACE does not exceed its clock-minute Balancing Authority ACE Limit (BAAL) for more than _____, calculated in accordance with Attachment 2, for the applicable Interconnection in wh...
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Add to cart30 consecutive clock-minutes - Each Balancing Authority shall operate such that its clock-minute average of Reporting ACE does not exceed its clock-minute Balancing Authority ACE Limit (BAAL) for more than _____, calculated in accordance with Attachment 2, for the applicable Interconnection in wh...
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