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Qaagi - Book of Why

Causes

Effects

short circuit fault(passive) caused byvoltage sag

a fault of the power system(passive) caused bythe voltage sag

application of load(passive) caused byA voltage sag

at load terminals(passive) is createdVoltage sag

induction load(passive) influenced byvoltage sag

that DC load(passive) caused bythe voltage sag

a load offsetresultingfrom the voltage sag

a single line - to - ground ( SLG ) fault(passive) caused byVoltage sag

a fault in the utility system , a fault within the customer ’s facility or a large increase of the load current , i.e , starting a motor or transformer energizing(passive) is caused byVoltage sag

faults on the system , transformer energizing , or heavy load switching(passive) is caused byVoltage sag

power system faults(passive) caused byVoltage sag distribution

sudden and large increases in load current(passive) caused byvoltage sags

motor starting , short circuits and fast re - closing of circuit breakers [ 22(passive) are caused byVoltage sags

increasing the reactive load 6.4(passive) caused bysome voltage sag

starting of motor load(passive) caused byvoltage sag

Although this three - resistor circuit should not present a heavy enough load ( not enough current drawnto causesignificant voltage " sag

Short circuit faults on the power system or large motor starting eventscan causevoltage sags

step changes in load(passive) caused byvoltage sags

the connected load at the plant(passive) was ... being caused bythe voltage sag

The fault in transmission and distribution lines of the power systemcreatesvoltage sag

various reasons , such as startup of a large load within a facility , a circuit fault , a fault on the utility transmission or distribution system(passive) can be caused byVoltage sags

any fault conditions or nonlinear load in the distribution system(passive) caused byvoltage sag

short circuit faults on transmission and or distribution lines in power systems(passive) are mostly caused byVoltage sags

startup of a large load within a facility , a circuit fault , a fault on the utility transmission or distribution system , a problem with a generator , or any of a number of other reasons(passive) can be caused byVoltage sags

The sudden addition of load in the systemcausesvoltage sag

transformer energizing , motor starting(passive) caused byvoltage sag

a fault in the system(passive) is caused byVoltage sag

event of faultresultsin voltage sag

Fast load current variationwill resultin voltage sag

a sudden load of 10 MWthereby creatingvoltage sag

sudden and large increasesing load(passive) caused byvoltage sags

such things as a sudden decrease in electrical load or a short circuit occurring on electrical conductors(passive) can be caused byVoltage Sag - Voltage Sags

short circuit faults and power quality(passive) caused byvoltage sags

Motor starting , short circuits and fast reclosing of circuit breakerscausevoltage sags

Sudden load changes or excessive loadscan causea voltage sag

symmetrical and asymmetrical faults in the power system(passive) caused byvoltage sags

The starting large induction motorwill causevoltage sag disturbances

the switching of heavy loads or the starting of large motors(passive) can also be caused byVoltage sags

abrupt increases in loads such as short circuit or system faults(passive) are caused byVoltage sags

large load switching and motor starting at interconnected systems(passive) caused byvoltage sags

from a remote fault on the 120-kV systemresultingfrom a remote fault on the 120-kV system

spurious resets on electronic equipment such as computers or controllers , andcan causespurious resets on electronic equipment such as computers or controllers , and

potential issues(passive) possibly caused bypotential issues

in mushy bass and distortion in the upper frequenciesresultsin mushy bass and distortion in the upper frequencies

from eventual tripping , large torque peaks , which may cause damage to the shaft or equipment connected to the shaftcause apartfrom eventual tripping , large torque peaks , which may cause damage to the shaft or equipment connected to the shaft

contactor ( motor starter ) dropout , resulting in a stopped process or production linecan causecontactor ( motor starter ) dropout , resulting in a stopped process or production line

most of its damage to equipment and circuit protection devicescan causemost of its damage to equipment and circuit protection devices

in a number of fault issues on these lines , which can be a headache to recover fromcan resultin a number of fault issues on these lines , which can be a headache to recover from

about 80 % of the power quality problems in power systemscausesabout 80 % of the power quality problems in power systems

92 % of distribution & transmission power quality problemscauses92 % of distribution & transmission power quality problems

equipment failure event(passive) caused byequipment failure event

more than 80 % of power quality problems that exists in power systemscontributesmore than 80 % of power quality problems that exists in power systems

issues with the circuity of the electronics ’ power supplycan causeissues with the circuity of the electronics ’ power supply

an overcurrent problemcan causean overcurrent problem

the most subtle problem(passive) caused bythe most subtle problem

serious problemcan causeserious problem

the unit to cut outcausesthe unit to cut out

serious problemscan causeserious problems

the loss and problems(passive) caused bythe loss and problems

problems with your equipmentis causingproblems with your equipment

the majority of malfunctions of equipmentcausethe majority of malfunctions of equipment

the peak of the source voltage to drop below 6.0 kvcausesthe peak of the source voltage to drop below 6.0 kv

the economic losses(passive) caused bythe economic losses

the dc - link voltage to drop ... possibly causing an under voltage tripwill causethe dc - link voltage to drop ... possibly causing an under voltage trip

many problems likecausesmany problems like

to vapor lighting extinguishing , where a 600kW ball mill motor is started by use of a secondary liquidcould leadto vapor lighting extinguishing , where a 600kW ball mill motor is started by use of a secondary liquid

steam turbine generator trip(passive) caused bysteam turbine generator trip

the enormous losses and risks(passive) caused bythe enormous losses and risks

problems with digital amps shutting downcausesproblems with digital amps shutting down

a turbulent shutdown at the ALAC plantcauseda turbulent shutdown at the ALAC plant

the ESCs to trigger their low voltage cut - offcausedthe ESCs to trigger their low voltage cut - off

problems in a plant or the surrounding power gridcausingproblems in a plant or the surrounding power grid

Current Surges , Over Voltage , Voltage Surges , Brownouts , and Power OutagescauseCurrent Surges , Over Voltage , Voltage Surges , Brownouts , and Power Outages

a violent shutdown at the facility , which might have caused particulate matter to loosen , which might have been a contributing factor to the ignition of the flash firemight have causeda violent shutdown at the facility , which might have caused particulate matter to loosen , which might have been a contributing factor to the ignition of the flash fire

plenty of problems for domestic and industrial loads that can financially cost a lotcan causeplenty of problems for domestic and industrial loads that can financially cost a lot

unstable generator speeding because of an unbalance between input power ( mechanical ) and output power ( electricalmay causeunstable generator speeding because of an unbalance between input power ( mechanical ) and output power ( electrical

Malfunction or failure of the equipment that leads to work or production losses(passive) can be caused byMalfunction or failure of the equipment that leads to work or production losses

in unwanted operation stops and large economical losses in industrial applicationsresultin unwanted operation stops and large economical losses in industrial applications

a finished paint line to stop can create huge losses and delayscausea finished paint line to stop can create huge losses and delays

the apparatus tripping , shutdown commercial , domestic and industrial equipment , and miss process of drive systemmay causethe apparatus tripping , shutdown commercial , domestic and industrial equipment , and miss process of drive system

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