online lvmv 7
TRANSCRIPT
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LV&MVSwitc gears#7
By:
AhmadMokhtariMobile:
09125137028
Email:[email protected]
5th May7th July,2014
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T f t in F r
MotorStarter:LV&MV
CircuitBreaker:LV&MV
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Protection
Indicators
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M t r Start r : N FF
rcu rea er
Contactor
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M t r Start r : N FF
rcu rea er:
Contactor:LV,MV
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Protection
LowCurrents
Indicators
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Protection
Locally
Indicators
ToCentral ControlRoom
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T f t in F r
MotorStarter:LV&MV
CircuitBreaker:LV&MV
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400V,3Ph
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. ower upp yo ontro rcu t
2. ClosingCircuit
3. OpeningCircuit
4. IndicationLamp
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400/230
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. ower upp yo ontro rcu t
2. ClosingCircuit
3. OpeningCircuit
4. IndicationLamp
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MotorStarter400V,3Ph
Contactors
Bobbin
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MotorCircuit230V
Stop
Start
Contactors
Bobbin
N
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CentralControlRoom
erm
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MotorCircuit230V
Stop
Start
Contactors
Bobbin
N
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MotorCircuit230V
Stop
Start
Contactors
Bobbin
N
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CentralControlRoom
erm
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MotorCircuit230V
Stop
L
Start Start
Contactors
Bobbin
N
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CentralControlRoom
ON/OFF
Command
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MotorCircuit230V
Stop
Start
Contactors
Bobbin
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230V1
24V,L()
2
K01
3
4
5
On/Off
Coupling
K01
K1
N
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. ower upp yo ontro rcu t
2. ClosingCircuit
3. OpeningCircuit
4. IndicationLamp
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CentralControlRoom
ESD
Command
Off
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M t r Pr t cti n
TemperatureSensor
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v rl a R la
ElectronicOverloadRelays
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400V,3Ph
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400V,3Ph
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230V1
24V,L()
Earth
Fault
est
P.B
2
K0124V,L(+)
PTC
Test 3
4
Signal
Running
K2K1
ESD
Bimetal
5
Signal
On/Off
K01 K2K1K1
Relay
K1K2
.
2
ESD
FaultOpenClosed
N
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CentralControlRoom
Running
Signal
au
Signal
ON/OFF
ESD
Command
Command
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Type2
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circuitcondition,
the
contactor
or
starter
must
installationsandmustnotbeabletoresume
ofparts.
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circuitcondition,
the
contactor
or
starter
must
installationsandmustsubsequentlybeableto
.
ype
coor nat on
ncreasesre a ty
o
operation.
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230V
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MotorCircuit230V
Stop
Start
Contactors
Bobbin
N
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power
Reductionofthecontrolsupplyvoltage(allow
orvo tage rop
Layingthesupplycablenearthecommand
contacts Parallelswitchin ofaresistance.
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T f t in F r
MotorStarter:
LV&MV
CircuitBreaker:LV&MV
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CRITERIA FUSEDCONTACTOR CIRCUITBREAKER
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Reducearcflashhazard.Fastand
andSafety reliablearcquenchingthroughouttheentirecurrentrange.
Higherarc
flash
hazard.
CurrentLimitation
fuses. Nofaultcurrentlimitingcapability.
Reduced20x.Allowspowercablesto Fullfaultenergyexposure.Power
LetthroughEnergy besizesmaller.Significantcost
savingsoncables.
cablestobesizedtomaximum
systemshortcircuitlevel.
ThermalStress
faultcurrent.
Longerlifeexpectancyonmotor
insulation.
,
withshortcircuitlevel.
Degradationofinsulation
expected.
Service
life
of
interrupter 1,000,000
CO
operations 20,000
to
30,000
C
O
operations
Maintenancefreethroughoutservice
life. .
Footprint Verysmall0.365m2.Significantcost
savingsonEHouse.
Average1m2.Largeareatohouse
switchgear.
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M t r Start r:MV
1. Current&VoltageSamples
. ower upp yo ontro rcu t
3. ClosingCircuit
.
5. TCS
6. IndicationLam
7. Heater&Lighting
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6kV
27
3
33