Critical Power: What’s New in Electrical Engineering: Smart Grid and Transformers

Air Date: Thursday, November 8, 2012

Exam for Continuing Education Units

1 AIA CES accredited LU available for attendees

You must get 8 of 10 questions correct to pass the exam. You may retake the exam if necessary. You will be notified whether you passed or failed automatically after taking the exam. Upon passing the exam, you will be able to download the completion certificate immediately.


Critical Power: What’s New in Electrical Engineering: Smart Grid and Transformers

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10.) Exam Question 1 *

Which choice is not a theoretical advantage of the solid-state transformer?

Ability to accept DC loads or inputs
Ability to communicate with the “smart grid”
Ability to stop all fault currents
Ability to handle bi-directional power flow

11.) Exam Question 2

What equipment/device can a solid state transformer be most closely compared to?

2-winding transformer
Phasor measurement unit
Variable frequency drive

12.) Exam Question 3

Which choice describes a key technology in producing a high-power solid state transformer?

Better copper
The smart grid
Advanced SiC transistors and high-frequency transformation

13.) Exam Question 4

Which is not a local level function of the solid state transformer?

Relaying pricing signals to end users
HVDC distribution
Make available DC power for PEV fast charging

14.) Exam Question 5

Which is a key difference between solid state transformers and a traditional wound transformer?

Size and weight
Communication abilities
Oil-immersed vs. dry
All of the above

15.) Exam Question 6

What IEEE Standard series addresses interconnection of a distributed resource to a utility grid?

IEEE 2030
IEEE 1547
All of the above

16.) Exam Question 7

Communication protocol for utility situational awareness is:

Most frequently specified by the utility
Selected based on transformer type
DNP3 or IEC 61850
A function of the physical communications media

17.) Exam Question 8

Which of the following statements is NOT true concerning Cyber Security?

Cyber security requirements are mandated by NERC and the interconnecting utility
Encryption can be added to legacy serial protocols which do not have inherent encryption features
Cyber security is primarily concerned with external threats
Physical security is important to an effective cyber security program

18.) Exam Question 9

The three unique perspectives of the IEEE 2030: Smart Grid Interoperability Recommended Practice are:

Power, IT and NIST
Communications, Protocol, and Power
IT, Communications and Power

19.) Exam Question 10

Reclosing, anti-islanding, and synchcheck are:

Elements of protection and control
Necessary to be coordinated with utility practices in a bi-directional interconnection
Addressed in IEEE 1547
All of the above