Three-Phase Induction Motor Softstarter - Teledyne Relays ISSR/EMC48S50-04.pdf · Three-Phase...

© 2003 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com EMC48S50-04 1

EMC48S50-04\032003\Q1

Three-Phase Induction Motor Softstarter200–480 Vac, 15kW (Y), 26kW (D)

NEW Series EMC48S50-04

INDUCTION MOTOR SOLID-STATE REDUCED VOLTAGE STARTER(SOFTSTARTER) WITH SOFTSTOP FEATURE

The Series EMC can be used as an alternative to costly and relatively big variablespeed controllers in applications such as pumps, fans, compressors andconveyors.

Its six-thyristor structure, working like a full-wave phase angle controller (bothpositive and negative cycles are controlled), reduces the induction motor startingcurrent as well as the motor starting torque. The reduction in motor startingcurrent improves the efficiency of the power used. It also avoids voltagefluctuations that lead to ambient light variations or “flicker.”

The Series EMC fits existing applications without any modification of the wiringfield configuration. Thus it can replace an electromechanical star-delta starterwithout changing the motor coupling. The EMC may be implemented like astandard three-phase electromechanical contactor for induction motors.Furthermore, its ability to be installed inside the delta wiring allows the SeriesEMC to drive 1.73 times more current than a standard online softstarter.

The Series EMC features diagnostic and self-test functions to assist with machinemaintenance, reduce costs, and delays of restarting equipment.

SOFTSTARTING WITH EMC

Speed

On LineCurrent

In

t

• Mechanical part stress- Noise- Maintenance costs

• High inrush current- Motor and mains protection oversized- Risk of flicker

Speed

On LineCurrent

In

t

• Softstarting- Noise reduction- Maintenance cost reduction

• No more high inrushcurrent- Motor and mains protection oversized- No more harmonic or flicker problems

STAR (Y) DELTA (D)

TYPICAL WIRINGS

DIRECT ON LINE (DOL) STARTING

BENEFIT FOR MOTOR STARTING

SCITSIRETCARAHCNIAM

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zH56ot04ot01cdV42

A1/V42CD/CA

Vk4otC°04–

C°001+

EMC48S50-04 2 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE © 2003 TELEDYNE RELAYS

EMC48S50-04\032003\Q1

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Fig. 1 INTERNAL DIAGRAM

1L1 3L2 5L3

6T34T22T1

6

Supply

InternalSupply

VoltageSynchr.

SwitchStatus

PowerElementControl

PowerElements

OptionsTorqueTime

Switches

Bypass

Diag.

µController

Control Input

Urg. Stop

LEDs

0V

Phases

5

4

3

2

1

Fig. 2 DESCRIPTION

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6

Time(s) TorqueInitial

Diag.

LEDs

Controls

Status outputs

Settings Motor connections

Three-phase mains connections

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

Option switches

(Behind the label)

Fig. 3 DESCRIPTION OF THE DIFFERENT SETTING PARAMETERS

Control

Voltage Applied tothe Motor

(“Initial Torque”)Motor Speed

Motor Speed

Voltageon Motor

Kic

k

Nn

t

ts

0

StartingCurrent

800% In

In

Motor ShaftTurning

Detection

Nominal Speed:End of the

Softstarting andBypass Closing

Theoretical Endof the VoltageRamp Set bythe User (ts)

Stop End of theFast Deceleration

Back to theInitial State

andDiagnostic

Vn

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

(DOL)

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Series EMC48S50-04

SETTINGS AND DIAGNOSTIC


EMC48S50-04\032003\Q1

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Series EMC48S50-04

SETTINGS AND DIAGNOSTIC

IMPORTANT INFORMATION ABOUT THE DIAGNOSTIC

1. The device makes a complete diagnostic (mains, load and itself) since it has enough supply voltage (On the mains or on the control side).2. The device only checks the presence of the phases and the closing of the solid-state switches during the voltage ramps (softstart and softstop)

and during the full on-state period.3. The control overrides the diagnostic.

• If a problem occurs during the control period, the device will close all the solid-state switches. If the problem goes on during the full on-state period, the corresponding information will be given to the user according to the table above.• Likewise, if a problem occurs during the softstopping period, the device will stop immediately in order to reach the off-state diagnostic period.

4. On a hard stop (no softstop) and in the case of driving a large motor, the device may temporarily display a problem concerning the mains. Thisis due to an important residual voltage across the motor windings (back EMF generated by the motor rotation and the remaining magnetic field).This security allows the user to avoid connecting the motor to the mains in bad conditions. This phenomenon can be cancelled by using thesoftstop feature that slowly reduces the remaining magnetic field inside the motor. This also avoids overvoltage across the solid-state switches(increasing the lifetime expectancy of the integrated varistors). Therefore, softstop is recommended even with high inertia motor loads.

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EMC48S50-04\032003\Q1

CONTROL

Fig. 4 HIGH SIDE CONTROL (PNP)

CONTROL INPUTS AND STATUS OUTPUTS

Fig. 5 LOW SIDE CONTROL (NPN) Fig. 6 STATUS OUTPUT UTILIZATION

Control

or

or

+

Vc

0V ImmediatelyStop

Ic

Ict

Vt

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6

Initial

Diag.

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6

Initial

Diag.

Ict

Ict

0V ImmediatelyStop

Control

Vt Vtor or

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6

Initial

Diag.

Bypass ContactorLine Contactor

IndicatorsPLC Inputs

...

Iby

Ipb

Vsa

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Series EMC48S50-04


EMC48S50-04\032003\Q1

CONTROL

CHARACTERISTIC CURVES OF THE CONTROLLING INPUTS AND STATUS OUTPUTS

Fig. 7 CONTROL INPUT CURRENT/VOLTAGECHARACTERISTIC IN PNP MODE (HIGH SIDE CONTROL)

Fig. 8 MAX. OUTPUT STATUS CURRENTVERSUS AMBIENT TEMPERATURE

2 4 6 8 10 12 14 16 18 20 22 24 26

24

22

20

18

16

14

12

10

8

6

4

2

Control CurrentIc in mA

Control VoltageRange

According toEN60947-4-2

ControlVoltage

Vc in Volts

Vc max

Vc min

VcReleasing

LoadCurrentIby / Ipb

(A)

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

AmbientTemperature (°C)10 20 30 40 50 60 70 80 90 100 110 120 130

Fig. 9 OFF-STATE STATUS OUTPUT PARASITICCAPACITANCE VERSUS OUTPUT VOLTAGE

Fig. 10 ON-STATE STATUS OUTPUT RESISTANCEVERSUS AMBIENT TEMPERATURE

OutputCapacitance

Coff(pF)

500

400

300

200

100 AuxiliaryVoltage

Vsa(V)

10 20 30 40 50

1000

875

750

625

500

375

250

125

AmbientTemperature (°C)

OutputResistance

Roff(mΩ)

–50 –25 0 25 50 75 100 125

Fig. 11 STATUS OUTPUT OVERVOLTAGEPROTECTION CHARACTERISTIC

Fig. 12 MAX. OVERLOAD PULSES REGARDING DURATIONFOR OVERVOLTAGE PROTECTION OF STATUS OUTPUTS

200v

i10–5 10–4 10–3 10–2 10–1 100 101 102 A 103

100

80

60

40

20

10

25

25

103

101

100

10–1

10–2

102

10 100 1000 10000555

5

5

5

5

A

1x

imax

tr

tr

2x10

102

104

103

105

106∞

imax

Series EMC48S50-04


EMC48S50-04\032003\Q1

POWER

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Series EMC48S50-04


EMC48S50-04\032003\Q1

POWER

Fig. 13 ELECTRICAL LABEL DESCRIPTIONFig. 14 OVERLOAD CURRENT CHARACTERISTIC

REGARDING OVERLOAD DURATION

CHARACTERISTIC CURVES OF THE POWER ELEMENTS

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.

Three Phase Mains

IeVe

Vd

Load

Is

Ie

Is

Ie

0

200

400

600

800

1000

1200

1400

1600

1800

2000

0.01 0.10 1.00 10.00

Time(s)

ITSM(A)

(PeakValues)

Non-repetitive

Repetitive

Fig. 15 NOMINAL CURRENTS VERSUS AMBIENT TEMPERATURE

Resistive loadcontrol (AC51)

Motor control (AC53a)

Limit for heat sink temperature below 100°C(Resistive loads; AC51 current)Limit for heat sink temperature below 80°C accordingto EN60947 (Resistive loads; AC51 current)Limit for motor control in normal use(AC53a current)Limit for motor control with hard conditionsaccording to EN60947-4-2 (AC53a current)

Dissipated Power(W)

Permanent CurrentIe

(ARMS)

ATTENTION:The maximum wire cross-section

is 10mm2 without furrule.When current exceeds 50A, it

may be necessary to double thewire number per terminal.

120

100

80

60

40

20

0

378

303

233

167

107

51

00 10 20 30 40 50 60 70 80 90 100 110

Fig. 16 OVERVOLTAGE PROTECTIONCHARACTERISTIC (VARISTORS)

Fig. 17 MAX. OVERLOAD PULSES REGARDING DURATIONFOR OVERVOLTAGE PROTECTION OF POWER ELEMENTS

4000v

i

10–5 10–4 10–3 10–2 10–1 100 101 102 A103 104

2000

800

600

400

1000

104

102

101

100

10–1

103

10 100 1000 10000555

5

5

5

5

A

tr

tr

imax 1x

2x

10

102

104

103

105

106

∞

imax

Series EMC48S50-04


EMC48S50-04\032003\Q1

GENERAL

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Series EMC48S50-04


EMC48S50-04\032003\Q1

GENERAL

Fig. 18 DIMENSIONS

IEC

947-4-2E

N 60947-4-2

Ve 200-480 V

40/65HZ

FO

R R

AT

ING

SS

EE

INS

TR

UC

.S

HE

ET

V im

p 4000V

Ie 30 AA

C-53a

2.99

2 (7

6)

3.268 (83)

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Æ

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6

Time(s) Torque

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Initial

Diag.

6.10

2 (1

55)

3.54

3 (9

0)

5.55

1 (1

41)

4.331 (110)

230VAC

NOITCETORPLAMREHTEHTFOSCITSIRETCARAHC



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Series EMC48S50-04


EMC48S50-04\032003\Q1

STANDARDS

).C.M.E(YTILIBITAPMOCCITENGAMORTCELENIHTIWLEVELYTINUMMI



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noitcurtsed

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3-4-00016m/V01

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noitcurtsed

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noitcurtsed

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5-4-00016)sedistuptuodnatupnI(edomlaitnereffidgnilpuoctceridVk1

)sedistuptuodnatupnI(edomnommocgnilpuoctceridVk2

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noitcurtsed

porDegatloVNE

11-4-00016

).C.M.E(YTILIBITAPMOCCITENGAMORTCELENIHTIWLEVELNOISSIME



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Series EMC48S50-04


EMC48S50-04\032003\Q1

DANGER!

STANDARDS

1. The EMC does not correctly operate on three-phase mains with the motor neutral connected to the neutral of the mains. If you havesuch a requirement, please contact us.

2. The overload relay must be adapted to the motor.3. Please take care not to make short circuits while installing the bypass contactor or the backward wires for delta wiring.4. In case of devices planned to be used connected to a bypass contactor, the control voltage will have to be held sufficiently to allow the bypass

to close. Verify the bypass checking option “byp.”5. In case of fast softstarting and softstopping controls without waiting for the end of the ramps, the motor may heat up. Please contact your motor

supplier to choose an adapted model.

ATTENTION

IMPORTANT

The installation of this product must be done by qualifiedpeople , informed about electric hazards (electrocution risks linked tothe voltage levels in the circuit).

Any intervention on the installation must be operated with thecircuit disconnected from the electric grid by an electromechanicalmean insuring a sufficient galvanic isolation.

The EMC is composed of silicon-based solid-state switches.They never ensure a safe function when they are not controlled(important leakage current and untimely closing). Therefore, weadvise you to use an electromechanical device in series with thesoftstarter, which can ensure a safe operation in the disconnectedcircuit.

The emergency stop must not be done by the softstarter. It mustbe done by an electromechanical mean with sufficient current break-ing possibility.

In order to operate the circuit safely, the control part of thesoftstarter will have to be disconnected from the control or auxiliarysupplies as well.

RETRATSTFOSEHTFOTNEMNORIVNE

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Series EMC48S50-04


EMC48S50-04\032003\Q1

Fig. 19 HIGH SIDE CONTROL (PNP)

INSTALLATION

WIRING POSSIBILITIES

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.

AuxiliarySupplyAC/DC

Supply10–>24Vdc

+

Control/Stop

ImmediatelyStop

A1 A2KM1

UserInformation

V1

W2

M3~

U1

T°C

W1

U2 V2

3L2

2T1

1L1

L<19.69 in. (50cm) max.

5L3A1

A2

KM1

4T2 6T3

3L2

2T1

1L1 5L3L2L1 L3

4T2 6T3

Delta Coupling

0V

Fig. 20 LOW SIDE CONTROL (NPN)

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.


ImmediatelyStop

A1 A2KM1

UserInformation

V1

W2

M3~

U1

T°C

W1

U2 V2

3L2

2T1

1L1

L<19.69 in. (50cm) max.

5L3A1

A2

KM1

4T2 6T3

3L2

2T1

1L1 5L3L2L1 L3

4T2 6T3

Delta Coupling

Series EMC48S50-04


EMC48S50-04\032003\Q1

INSTALLATION

Fig. 21 UPON THE MAINS CONTROL

WIRING POSSIBILITIES


ImmediatelyStop

A1 A2KM1

UserInformation

V1

W2

M3~

U1

T°C

W1

U2 V2

3L2

2T1

1L1

L<19.69 in. (50cm)

5L3A1

A2

KM1

4T2 6T3

3L2

2T1

1L1 5L3L2L1 L3

4T2 6T3

Delta Coupling

Control/Stop

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.

SOFTSTARTING INCANDESCENT OR INFRARED LAMPS(AC1 CURRENT)

SOFTSTARTING THREE-PHASE LOADED TRANSFORMERS(PLEASE CONTACT US)

OTHER LOAD POSSIBILITIES

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.

3L2

2T1

1L1

L<19.69 in. (50cm)

5L3A1

A2

KM1

4T2 6T3

L2L1 L3

Delta Coupling

3L2

2T1

1L1

L<19.69 in. (50cm)

5L3A1

A2

KM1

4T2 6T3

L2L1 L3

Delta Coupling

Load

0 40.25

6432 16

0.5 12

80.6

0.2

10.9 0.8

0.3 0.40.5

0.70

Sof

t-

Sto

p B

yp.

NP

N

Sta

rt

Kic

k

2T1 4T2 6T3

1L1 3L2 5L3

1L1 3L2 5L3

2T1 4T2 6T3

Motor Softstarter

Made in France

Stop / Load

Supply

Start / Line

Urg.Stop

Ctrl

Byp.

0V

+

1

2

3

4

5

6


Diag.

Series EMC48S50-04


EMC48S50-04\032003\Q1

INSTALLATION

Fig. 22 MOUNTING PRECAUTIONS

MOUNTING

The heat sink fins must bemounted vertically toensure a good thermalconvection. A minimumspace must be left freearound the assembly.

MOUNTING WITH SCREWS

0.9843 (25)

Ø 0.2165 (5.5)

Ø 0.2165 (5.5)

3.93

7 (1

00)

OMEGA DIN RAIL MOUNTING (EN50022)

FIXING REMOVINGMOUNTING

Series EMC48S50-04


EMC48S50-04\032003\Q1

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INSTALLATION

ADVICE FOR THE SETTINGS

ATTENTION

Obtaining a particular starting time value is only a consequence of the motor torque reduction and cannot be guaranteed or easily repeatable.The rotary switch < Time (s) > setting values only give the duration of the voltage ramp applied to the motor but not necessarily its starting time.The main EMC function is to obtain a motor torque reduction to take care of the motor load and the electric grid. The motor starting time is only aconsequence and completely depends on the motor itself, its load and the settings done by the user.

The EMC cannot break a motor driving a load that has much inertia. The user can only obtain a stop time equal or longer than a simpledisconnection from the electric grid. Using the softstop feature can only be justified when the motor load tends to break the motor (pumps, ...) orwhen the products treated by the machine need to be stopped slowly (conveyors, ...). In the case of a load with high inertia, the softstop featurecan help to reduce slowly the magnetic field inside the motor to avoid long time overvoltage in the circuit.

SETTING EXAMPLES

Direct On Line Starting (DOL)Long Starting Time for Lamps,

Transformers...(On a motor, it may hum)

Advised Settingsfor Testing the Motor Starting

Loads with Increasing Torque Like N 2

and Increasing Power Like NLoads with Decreasing Torque Like 1/N

and Constant Power

Loads with Constant Torqueand Increasing Power Like N

Loads Increasing Like Nand Constant Power

C

N

C

N

C

N

C

N


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Series EMC48S50-04

Three-Phase Induction Motor Softstarter - Teledyne Relays ISSR/EMC48S50-04.pdf · Three-Phase...

Documents

Transcript of Three-Phase Induction Motor Softstarter - Teledyne Relays ISSR/EMC48S50-04.pdf · Three-Phase...