LADWP Electric Station Operator
(Circuit Breakers, Disconnects,
Transformers)
Zero.2 - ANS-The working time, from fully open to completely closed, in lots of massive CBs,
is often much less than __________ seconds.
10 20 - ANS-During strange situations, contemporary regularly exceeds the regular dilemma
of these devices by as a lot as _____ to _____ times their regular score.
30 - ANS-Transformer oil in exact condition have to be able to face up to _____kV
implemented throughout flat electrodes submerged in a staple of the oil without arcing.
50 100 - ANS-Electrical present day can also waft throughout the contacts of ____ to ____
electric switches before it reaches the customer.
98 - ANS-Larger transformers are about _____% green.
Ninety eight - ANS-Well-designed transformers are approximately _____% efficient.
Air - ANS-__________, which has a relatively high dielectric energy, is used as the dielectric
medium in lots of low voltage applications wherein modern values are also low. A not
unusual example is the mild switch observed in houses, etc.
Arc - ANS-The current that continues to flow throughout the outlet contacts of a switch (or
throughout any commencing in a circuit) is referred to as an __________.
Automatic - ANS-___________ switching operations include computerized reclosers (ARs),
Voltage Pickup Unit (VPUs), and Automatic Transfer Switching (ATSs).
Automatic - ANS-The placement of ___________ electrical switches within the electricity
system makes it possible to restriction each the duration and the quantity of energy outages.
Financial institution - ANS-__________ switching is performed in substations: to offer good
enough ability for patron load, to provide an change supply for customer load when system
upkeep is needed, and to look for 4.8kV grounds.
Banks - ANS-__________ permit generators to be related to the DWP Transmission System.
These banks commonly step up the voltage from 18kV, the nominal voltage of the generator,
to transmission voltages of either 138kV or 230kV.
, Banks - ANS-__________ in distribution stations step down 34.5kV to four.8kV - the
Department's Distribution System voltage.
Banks - ANS-Large three section strength transformers are usually referred to as
transformer __________ or surely, __________. (equal word)
blocking off - ANS-Bank-in-Service caps are __________ devices that are carried out to the
control handles of closed bank CBs.
Bus - ANS-_________ banks join collectively buses of various voltages which include 138kV
to 230kV.
Bushings - ANS-__________ are usually made from insulating porcelain.
Circuit - ANS-A switching plan must consist of the call of the __________ being operated
and the foremost steps required to carry out the switching.
Circuit breakers - ANS-__________ are designed to open, close, energize, de-energize, and
interrupt ordinary and odd values of modern-day flow in electrical circuits
Circuit breakers - ANS-__________ are electrical switches which are used to manipulate
high values of present day and voltage in circuits that are carrying modern or can be sporting
current following the operation.
Circuit Breakers - ANS-Some of the substances utilized in __________that have enough
dielectric strength of for interrupting power system contemporary values are: Insulating oils,
pressurized inert gasses, Sulfur Hexafluoride gasoline, and Vacuum chambers.
Circuit breakers - ANS-Transformers and voltage regulators must be energized and
de-energized the usage of __________.
Closed - ANS-Disconnects, via which present day usually flows, should stay __________
always.
Conductors - ANS-__________ of strength haven't any dielectric electricity, as they allow
contemporary to waft in a circuit.
Control - ANS-__________ circuits use auxiliary gadgets that direct the operation of the CB.
Cool - ANS-Using multiple contacts and speedy starting times allows __________ the arc by
means of reducing the go sectional area of the arc or by way of lengthening it.
Cooling - ANS-_________ no longer only enables extend the lifestyles of transformers but
also increases its cutting-edge sporting capability.
Copper - ANS-The losses because of the resistance of the windings care called _________
losses or I2R losses.
(Circuit Breakers, Disconnects,
Transformers)
Zero.2 - ANS-The working time, from fully open to completely closed, in lots of massive CBs,
is often much less than __________ seconds.
10 20 - ANS-During strange situations, contemporary regularly exceeds the regular dilemma
of these devices by as a lot as _____ to _____ times their regular score.
30 - ANS-Transformer oil in exact condition have to be able to face up to _____kV
implemented throughout flat electrodes submerged in a staple of the oil without arcing.
50 100 - ANS-Electrical present day can also waft throughout the contacts of ____ to ____
electric switches before it reaches the customer.
98 - ANS-Larger transformers are about _____% green.
Ninety eight - ANS-Well-designed transformers are approximately _____% efficient.
Air - ANS-__________, which has a relatively high dielectric energy, is used as the dielectric
medium in lots of low voltage applications wherein modern values are also low. A not
unusual example is the mild switch observed in houses, etc.
Arc - ANS-The current that continues to flow throughout the outlet contacts of a switch (or
throughout any commencing in a circuit) is referred to as an __________.
Automatic - ANS-___________ switching operations include computerized reclosers (ARs),
Voltage Pickup Unit (VPUs), and Automatic Transfer Switching (ATSs).
Automatic - ANS-The placement of ___________ electrical switches within the electricity
system makes it possible to restriction each the duration and the quantity of energy outages.
Financial institution - ANS-__________ switching is performed in substations: to offer good
enough ability for patron load, to provide an change supply for customer load when system
upkeep is needed, and to look for 4.8kV grounds.
Banks - ANS-__________ permit generators to be related to the DWP Transmission System.
These banks commonly step up the voltage from 18kV, the nominal voltage of the generator,
to transmission voltages of either 138kV or 230kV.
, Banks - ANS-__________ in distribution stations step down 34.5kV to four.8kV - the
Department's Distribution System voltage.
Banks - ANS-Large three section strength transformers are usually referred to as
transformer __________ or surely, __________. (equal word)
blocking off - ANS-Bank-in-Service caps are __________ devices that are carried out to the
control handles of closed bank CBs.
Bus - ANS-_________ banks join collectively buses of various voltages which include 138kV
to 230kV.
Bushings - ANS-__________ are usually made from insulating porcelain.
Circuit - ANS-A switching plan must consist of the call of the __________ being operated
and the foremost steps required to carry out the switching.
Circuit breakers - ANS-__________ are designed to open, close, energize, de-energize, and
interrupt ordinary and odd values of modern-day flow in electrical circuits
Circuit breakers - ANS-__________ are electrical switches which are used to manipulate
high values of present day and voltage in circuits that are carrying modern or can be sporting
current following the operation.
Circuit Breakers - ANS-Some of the substances utilized in __________that have enough
dielectric strength of for interrupting power system contemporary values are: Insulating oils,
pressurized inert gasses, Sulfur Hexafluoride gasoline, and Vacuum chambers.
Circuit breakers - ANS-Transformers and voltage regulators must be energized and
de-energized the usage of __________.
Closed - ANS-Disconnects, via which present day usually flows, should stay __________
always.
Conductors - ANS-__________ of strength haven't any dielectric electricity, as they allow
contemporary to waft in a circuit.
Control - ANS-__________ circuits use auxiliary gadgets that direct the operation of the CB.
Cool - ANS-Using multiple contacts and speedy starting times allows __________ the arc by
means of reducing the go sectional area of the arc or by way of lengthening it.
Cooling - ANS-_________ no longer only enables extend the lifestyles of transformers but
also increases its cutting-edge sporting capability.
Copper - ANS-The losses because of the resistance of the windings care called _________
losses or I2R losses.
