If you think you have a good understanding of Electrical Transient In Power Systems, challenge yourself and take our quiz.
Best of Luck.!!
Question 1 of 15
What does the word transient mean?
Something that lasts for a long time
Something that lasts for a short time
Something that lasts in between short and long time
None of the above
Question 2 of 15
The duration of electrical transient is:
Greater than milliseconds
Less than microseconds
Few milliseconds
Both b and c
Question 3 of 15
Electrical transient follows the path:
High resistance to ground
Least resistance to ground
Question 4 of 15
Which statement is correct for transient produce by internal source?
Voltage rise is 2 to 3 times the original voltage
Surge is of small magnitude
Surge is of large magnitude
Both a and b
Question 5 of 15
The following source is not an external source that can cause an electrical transient:
Line/cable switching
Arc (welding)
Transformer switching
Current limiting fuse operation
Question 6 of 15
The following source is not an internal source that can cause an electrical transient:
Power electronic operation
Electrostatic discharge
Copy machines
Lighting
Question 7 of 15
How many types of transient are there according to IEEE 1159-2019 standard:
Two
Three
Four
Five
Question 8 of 15
An oscillatory transient is classified as a sudden and non-power frequency change in the voltage or current or both, which is ____ in polarity:
Bidirectional
Unidirectional
Question 9 of 15
Which way can transient cause damage to the equipment:
Dielectric breakdown
Fracture
Surpassing dV/dt and dI/dt limits
All of the above
Question 10 of 15
The following devices are especially susceptible to damage from voltage transients :
Microprocessor-based
Programmable logic control
Question 11 of 15
The influence of voltage transients on electronic equipment consist of ____ categories :
Question 12 of 15
Intermittent interruption occurs when a transient event is injected into:
DC system
AC system
Data or control network
Question 13 of 15
_______ is used to protect transmission lines against lightning strikes.
Earthing screen
Ground wire
Lighting arresters
Question 14 of 15
To protect power station and substation equipment against lightning strikes, we use:
Question 15 of 15
Lightning Arrester is used to protect :
Surges that may reach the equipment terminals
Surges far from equipment terminals