online lvmv 7

8/11/2019 Online LVMV 7

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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



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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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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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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



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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


3. ClosingCircuit

.

5. TCS

6. IndicationLam

7. Heater&Lighting


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6kV

27

3

33

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