NERC Transmission Practice Test, Exam Q&As, A+ Guide-Station #1 is at 539KV and station #2 is at 534 KV. Which direction will the MVAR typically flow?
A. From station #1 to station #2
B. From station #2 to station #1
...
NERC Transmission Practice Test, Exam Q&As, A+ Guide-Station #1 is at 539KV and station #2 is at 534 KV. Which direction will the MVAR typically flow?
A. From station #1 to station #2
B. From station #2 to station #1
C. Downhill based on power angle
D. Uphill based on power angle - A. From station #1 to station #2
Each transmission operator shall arrange for supply of _____ resources within its boundaries to protect the voltage levels under contingency conditions
A. Transmission
B. Generation
C. Reactive
D. Regulating - C. Reactive
Relay schemes should be designed so that automatic re-closing during _____ conditions should be prevented
A. System restoration
B. TLR
C. Out of step
D. Thunderstorm - C. Out of step
You received indication that all of the CBs on a bus have opened and locked out, which of the following relays would you have expected to operate?
A. 59G
B. 87B
C. 87T
D. 21-1 - B. 87B
High speed relays, high-speed circuit breakers, and ____ should be used where studies indicate the application will enhance stability margins
A. Automatic voltage regulators
B. Automatic re-closings
C. Special protection schemes
D. Under frequency relaying - B. Automatic re-closings
Dynamic thermal ratings are ratings that limit transmission line loading
A. With a conservative mindset
B. With current temperature and wind speed
C. Based on current transaction schedules
D. Based on projected transaction schedules - B. With current temperature and wind speed
In order for each transmission operator to protect its system voltage levels under normal and contingency conditions, they must acquire which of the following?
A. Sufficient reactive resources
B. Dynamic reactive resources
C. Sufficient generation supplies
D. Sufficient transmission capacity - A. Sufficient reactive resources
Which of the following would be a concern if you were operating on the system with an open ended transmission line?
A. Ferranti-rise effect
B. Transmission Loop flows
C. Exceeding surge impedance loading
D. Reactive depletion - A. Ferranti rise effect
Which of the following devices would you use if you were calculating dynamic reactive reserve for your systems
A. Shunt reactors
B. Transformers
C. Shunt capacitors
D. Generators - D. Generators
Which of the following is an advantage of coordinating planned transmission outages?
A. Ensure system reliability
B. Increasing transmission overloads
C. Keeping information away from generators
D. Not having to post on OASIS - A. Ensur
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