eg2 week 3

Question 1

this refers to the time of day when the demand for electricity is at its highest

Answer 1

peak load

Question 2

typically when is peak load?

Answer 2

late after noon and early evening hours 12 pm to 6 pm

Question 3

the department of energy defines smart grid as?

Answer 3

an incorporation of concepts, philosophies, and tech. that enabled the internet into the electrical grid

Question 4

occurs when an outage on a circuit causes outages on interconnected circuits because the interconnected circuits are not able to support the additional load

Answer 4

cascading

Question 5

cascading is most likely to occur when?

Answer 5

when demand is at its peak

Question 6

the strain on the grid during peak loading and the effects of cascading power failures best explain why we need what?

Answer 6

a smarter electrical grid

Question 7

uses automation to sense disturbances on the system, and automatically trigger key operations to keep more customers in service

Answer 7

self healing

Question 8

methods of reducing consumption of electricity by customers, especially during times of peak loading

Answer 8

demand side management

Question 9

detroit was dark during the 2003 ________, and the city found itself experiencing the same scenarios jut 11 years later

Answer 9

black out

Question 10

since the source of electricity is not centralized, the system must be configured to allow __________.

Answer 10

bi directional energy flow

Question 11

a portion of the electrical system that can operate independently from the main grid

Answer 11

islanding

Question 12

generators that increase operation only during the peak loading times of day, if needed

Answer 12

peaker plants

Question 13

flywheel technology produces electricity by rotating a rotor at a very high speed, and then using the rotating energy to produce electricity. true or false

Answer 13

true

Question 14

aluminum composite core conductor can carry as much as twice the current as its predecessors of the same size. true or false

Answer 14

true

Question 15

older components are still reliable and operating on the systems. they are reffered to as what in the book?

Answer 15

legacy

Question 16

S&C’s Intelliruptor Pulsecloser has what features?

Answer 16

hot tag line, provides real time data and can limit the fault current that the system can deliver to the fault

Question 17

features that trip savers have

Answer 17

fits right in a conventional cutout, single phase recloser, can be coordinated to operate as a sectionalizer

Question 18

is a fixed capacitor bank considered smart or legacy?

Answer 18

legacy

Question 19

voltage regulators correct power factor true or false?

Answer 19

false

Question 20

ACCC stands for?

Answer 20

aluminum conductor composite core

Question 21

___________ also called ____________ are strategically located in substations that interconnect the generators and the transmission systems together

Answer 21

phaser measurement units, syncrophasors

Question 22

a philosophy that allows the real time conditions surrounding conductors to be monitored

Answer 22

dynamic line loading

Question 23

is a shield wire installed at the tops of structures

Answer 23

optical ground wire

Question 24

can form when larger portions of circuits begin islanding

Answer 24

microgrids

Question 25

scada

Answer 25

supervisory control and data acquisition

Question 26

is the intentional lowering of system voltage to help reduce demand on the system

Answer 26

conservation voltage reduction

Question 27

a communication network that allows a customer to remotely connect and control many automated digital devices throughout the home

Answer 27

smart home

Question 28

customers will be able to monitor, manage, and control their energy usage through home area display units, computers or cell phones

Answer 28

demand side management

Question 29

it is estimated that energy consumption by _________ is the 2nd biggest use of energy in the home

Answer 29

lighting

Question 30

is using natural daylight for lighting and reducing artificial lighting from light bulbs

Answer 30

daylight harvesting

Question 31

is a drivers fear of being stranded by a depleted battery before reaching their destination

Answer 31

range anxiety

Question 32

hybrid vehicles use what standard volt outlet

Answer 32

120V