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LADWP ELECTRIC STATION OPERATOR

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2024/2025 Written for academic year
Institution LADWP
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LADWP ELECTRIC STATION OPERATOR

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LADWP ELECTRIC STATION
OPERATOR (CIRCUIT BREAKERS,
DISCONNECTS, TRANSFORMERS)



switching23-23answer--
One23of23the23primary23tasks23of23the23Electric23Station23Operator23is23the23__________
23of23high23voltage23circuits.


502310023-23answer--
Electrical23current23may23flow23across23the23contacts23of23____23to23____23electrical23s
witches23before23it23reaches23the23consumer.

improper23-23answer--
The23__________23operation23of23these23electrical23switches23can23pose23a23serious23h
azard23to23personnel,23can23cause23destruction23of23expensive23power23system23equip
ment,23and23can23cause23unnecessary23interruption23of23electrical23service23to23consum
ers.

switches23-23answer--
Electrical23__________23are23installed23in23the23path23from23the23generator23to23the23co
nsumer23to23provide23reliability,23flexibility,23and23safeguards23for23the23electrical23power
23system.


emergency23-23answer--
Operators23use23electrical23switches23to23perform23routine,23automatic,23and23________
____23switching23operations23on23the23electrical23system.

Routine23-23answer--
___________23switching23is23for23maintenance,23construction,23cleaning,23testing,23etc.

Automatic23-23answer--
___________23switching23operations23include23automatic23reclosers23(ARs),23Voltage23
Pickup23Unit23(VPUs),23and23Automatic23Transfer23Switching23(ATSs).

Emergency23-23answer--
___________23switching23operations23include23insolate23trouble,23restoration,234.8kV23
Ground23Search,23etc.

, Automatic23-23answer--
The23placement23of23___________23electrical23switches23in23the23power23system23make
s23it23possible23to23limit23both23the23duration23and23the23extent23of23power23outages.

Emergency23-23answer--
__________23switching23performed23by23Operators23in23usually23in23response23to23pow
er23outages23and23abnormal23conditions23such23as23overloads.

manipulation23-23answer--
The23electrical23function23of23switches23falls23into23two23categories;23___________23of23
relatively23high23values23of23current23and23voltage23under23load23AND23the23switching23
of23circuits23to23provide23a23visual23confirmation23of23de-energization.

Circuit23breakers23-23answer--
__________23are23electrical23switches23that23are23used23to23manipulate23high23values23
of23current23and23voltage23in23circuits23that23are23carrying23current23or23will23be23carryin
g23current23following23the23operation.

Circuit23breakers23-23answer--
Transformers23and23voltage23regulators23must23be23energized23and23de-
energized23using23__________.

Circuit23breakers23-23answer--
__________23are23designed23to23open,23close,23energize,23de-
energize,23and23interrupt23normal23and23abnormal23values23of23current23flow23in23electri
cal23circuits

Disconnects23-23answer--
__________23are23provided23as23a23method23of23visually23confirming23that23a23circuit23h
as23been23"disconnected"23from23specified23sources23of23electrical23energy.

Disconnects23-23answer--__________23are23used23to23energize23or23de-
energize23short23sections23of23conductor23such23as23leads23connecting23a23circuit23brea
ker23to23its23associated23disconnects.

Disconnects23-23answer--
__________23are23not23designed23to23interrupts23current23flow,23open23or23close23circuit
s,23or23energize23and23de-energize23circuits23other23than23short23sections.

10232023-23answer--
During23abnormal23conditions,23current23often23exceeds23the23normal23limitation23of23the
se23devices23by23as23much23as23_____23to23_____23times23their23normal23rating.

Dielectric23medium23-23answer--
This23is23the23insulating23mechanism23that23occupies23the23space23between23the23open2

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