Emerson Leroy Somer R450 Bedienungsanleitung

R450

VOIR NOTICE

SEE NOTICE

VOLT. STAB. I EXC

STAT.

FUSIBLES / FUSES

3PH. S1 S2

50 Hz

60 Hz

EXT FREQ

SETTING

LEDS

USC

Installation & maintenance manual :

www.leroy-somer.com

380V 220 110 0V E- E+ Z2 X1 Z1 X2

LAM

OFF

LAM

ONLY FOR

SPECIAL

CONFIG.

KNEE

LAM OFF

65Hz

LAM

OFF

LAM

MODE 2

LAM

MODE 1

LAM

OFF

LAM

MODE 2

LAM

MODE 1

50Hz

EXT.FREQ.

SET.

60Hz

SERIES

7000 / 8000

SERIES

7000 / 8000

SERIES

5000 / 6000

SERIES

5000 / 6000

1 PHASE SENSING

3 PAHASES SENSING

RAPIDE

FAST

RAPIDE

FAST

NORMAL

SHUNT / AREP

PMG

LSA

49 / 50

LSA

46 / 47

LSA

46 / 47

LSA

49 / 50

A.V.R.

R450

Installation and maintenance

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

SAFETY MEASURES

Before using your machine for the rst time,

it is important to read the whole of this

installation and maintenance manual.

All necessary operations and interventions

on this machine must be performed by a

qualied technician.

Our technical support service will be pleased

to provide any additional information you

may require.

The various operations described in this

manual are accompanied by recommen-

dations or symbols to alert the user to

potential risks of accidents. It is vital that you

understand and take notice of the following

warning symbols.

Warning symbol for an operation capable

of damaging or destroying the machine

or surrounding equipment.

Warning symbol for general danger to

personnel.

Warning symbol for electrical danger to

personnel.

All servicing or repair operations

performed on the AVR should be

undertaken by personnel trained in the

commissioning, servicing and main-

tenance of electrical and mechanical

components.

When the generator is driven at a

frequency less than 28 Hz for more than

30 seconds with an analogic regulator,

the AC power must be disconnected.

WARNING

This A.V.R. can be incorporated in a

machine marked C.E.

This manual is be given to the end user.

characteristics of its products at any time in

order to incorporate the latest technological

developments. The informa-tion contained

in this document may therefore be changed

without notice.

This document may not be reproduced in

any form without prior authorization.

All brands and models have been registered

and patents applied for.

WARNING

This manual concerns the alternator A.V.R. which you have just purchased.

We wish to draw your attention to the contents of this maintenance manual.

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Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

CONTENTS

1 - GENERAL INFORMATION ...............................................................................................4

1.1 - Description...................................................................................................................4

1.2 - Characteristic...............................................................................................................4

2 - POWER SUPPLY ...............................................................................................................5

2.1 - AREP excitation system ...............................................................................................5

2.2 - PMG excitation system.................................................................................................6

2.3 - SHUNT or separate excitation system..........................................................................7

3 - TECHNICAL CHARACTERISTICS....................................................................................8

3.1 - Electrical characteristics...............................................................................................8

3.2 - Congurations..............................................................................................................8

3.3 - U/F and LAM functions...............................................................................................12

3.4 - Typical effects of the LAM with a diesel engine with or without a LAM (U/F only) ........12

3.5 - AVR options ...............................................................................................................13

4 - INSTALLATION - COMMISSIONING ............................................................................... 14

4.1 - Electrical checks on the AVR ......................................................................................14

4.2 - Setting up...................................................................................................................14

4.3 - Electrical faults...........................................................................................................17

5 - SPARE PARTS.................................................................................................................18

5.1 - Designation................................................................................................................18

5.2 - Technical support service ...........................................................................................18

Disposal and recycling instructions

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

1 - GENERAL INFORMATION

1.1 - Description

The R450 AVR is supplied in a casing

designed to be mounted on a panel with

dampers.

- Operating temperature: - 30°C to + 65° C.

- Storage temperature: - 55°C to + 85°C.

- Shocks on the base: 9 g depending on the

3 axes.

- Vibrations: less than 10 Hz, 2 mm

half-peak amplitude 10 Hz to 100 Hz: 100

mm/s, above 100 Hz: 8 g.

WARNING

The AVR is IP00, it must be incorporated

in an environment which ensures it a

IP20 protection.

1.2 - Characteristic

The connection is realised by “Faston”

connectors and the voltage sensing is

single - phase.

R450

VOIR NOTICE

SEE NOTICE

VOLT. STAB. I EXC

STAT.

FUSIBLES / FUSES

3PH. S1 S2

50 Hz

60 Hz

EXT FREQ

SETTING

140 mm

LEDS

P1 Voltage

P2 Stability

P3 Excitation

Overrun

indications

Fuses 10A

USC

Installation & maintenance manual :

www.leroy-somer.com

115 mm

380V 220 110 0V E- E+ Z2 X1 Z1 X2

200 mm

Rotating switch

- Lam and U/F

- Voltage

- Excitation

4 holes Ø 6.5 mm

175 mm

50 Hz

60 Hz

Quad

droop

LAM

OFF

LAM

ONLY FOR

SPECIAL

CONFIG.

KNEE

LAM OFF

65Hz

LAM

OFF

LAM

MODE 2

LAM

MODE 1

LAM

OFF

LAM

MODE 2

LAM

MODE 1

50Hz

EXT.FREQ.

SET.

60Hz

SERIES

7000 / 8000

SERIES

7000 / 8000

SERIES

5000 / 6000

SERIES

5000 / 6000

1 PHASE SENSING

3 PAHASES SENSING

RAPIDE

FAST

RAPIDE

FAST

NORMAL

SHUNT / AREP

PMG

LSA

49 / 50

LSA

46 / 47

LSA

46 / 47

LSA

49 / 50

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

2 - POWER SUPPLY

Both the SHUNT/AREP & PMG excitation

systems are controlled by the AVR.

2.1 - AREP excitation system

With AREP excitation, the electronic AVR is

are independent of the voltage sensing

circuit.

The rst winding has a voltage proportional

to the alternator main voltage (Shunt

characteristic), the second one has a

voltage proportional to the stator current

(compound characteristic : Booster effect).

The power supply voltage is rectied and

ltered before being used by the AVR

monitoring transistor.

This system provides the machine with a

short-circuit current capacity of 3 IN for 10 s.

The rotating switch should be in the AREP

position (see 3.2.3).

AREP SYSTEM

Field

Armature

T1 T2 T3

T4 T5 T6

Varistor

5+ 6-

T7 T8 T9

T10 T11 T12

according to voltage

Aux. windings

10 Yellow

11 Red

9 Green

12 Black

10 Yellow

11 Red

9 Green

12 Black

STATOR : 6 wires ( T1 to T6)

STATOR : 12 wires ( T1 to T12)

MAIN FIELD

R450

VOIR NOTICE

SEE NOTICE

VOLT. STAB. I EXC

STAT.

FUSIBLES / FUSES

3PH. S1 S2

50 Hz

60 Hz

EXT FREQ

SETTING

LEDS

USC

Installation & maintenance manual :

www.leroy-somer.com

380V 220 110 0V E- E+ Z2 X1 Z1 X2

LAM

OFF

LAM

ONLY FOR

SPECIAL

CONFIG.

KNEE

LAM OFF

65Hz

LAM

OFF

LAM

MODE 2

LAM

MODE 1

LAM

OFF

LAM

MODE 2

LAM

MODE 1

50Hz

EXT.FREQ.

SET.

60Hz

SERIES

7000 / 8000

SERIES

7000 / 8000

SERIES

5000 / 6000

SERIES

5000 / 6000

1 PHASE SENSING

3 PAHASES SENSING

RAPIDE

FAST

RAPIDE

FAST

NORMAL

SHUNT / AREP

PMG

LSA

49 / 50

LSA

46 / 47

LSA

46 / 47

LSA

49 / 50

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

2.2 - PMG excitation system

With PMG excitation, a permanent magnet

generator (PMG) added to the alternator

supplies the AVR with voltage which is

independent of the main alternator winding.

This system provides the machine with a

short-circuit current capacity of 3 IN for 10 s.

The AVR monitors the alternator output

voltage by adjusting the excitation current.

The rotating switch should be in the PMG

position (see 3.2.3).

PMG SYSTEM

PMG

T1 T2 T3

T4 T5 T6

Varistor

5+ 6-

T7 T8 T9

T10 T11 T12

according to voltage

Field

Armature

STATOR : 6 wires ( T1 to T6)

STATOR : 12 wires ( T1 to T12)

MAIN FIELD

R450

VOIR NOTICE

SEE NOTICE

VOLT. STAB. I EXC

STAT.

FUSIBLES / FUSES

3PH. S1 S2

50 Hz

60 Hz

EXT FREQ

SETTING

LEDS

USC

Installation & maintenance manual :

www.leroy-somer.com

380V 220 110 0V E- E+ Z2 X1 Z1 X2

LAM

OFF

LAM

ONLY FOR

SPECIAL

CONFIG.

KNEE

LAM OFF

65Hz

LAM

OFF

LAM

MODE 2

LAM

MODE 1

LAM

OFF

LAM

MODE 2

LAM

MODE 1

50Hz

EXT.FREQ.

SET.

60Hz

SERIES

7000 / 8000

SERIES

7000 / 8000

SERIES

5000 / 6000

SERIES

5000 / 6000

1 PHASE SENSING

3 PAHASES SENSING

RAPIDE

FAST

RAPIDE

FAST

NORMAL

SHUNT / AREP

PMG

LSA

49 / 50

LSA

46 / 47

LSA

46 / 47

LSA

49 / 50

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

2.3 - SHUNT or separate excitation

system

With SHUNT excitation, the AVR is powered

by the main winding (100V to 140V -

50/60 Hz ) by using X1, X2 on the AVR.

The rotating switch should be in the SHUNT/

AREP position (see 3.2.3).

SHUNT SYSTEM

T1 T2 T3

T4 T5 T6

Varistor

5+ 6-

T7 T8 T9

T10 T11 T12

Field

Armature

STATOR : 6 wires ( T1 to T6)

STATOR : 12 wires ( T1 to T12)

MAIN FIELD

R450

VOIR NOTICE

SEE NOTICE

VOLT. STAB. I EXC

STAT.

FUSIBLES / FUSES

3PH. S1 S2

50 Hz

60 Hz

EXT FREQ

SETTING

LEDS

USC

Installation & maintenance manual :

www.leroy-somer.com

380V 220 110 0V E- E+ Z2 X1 Z1 X2

according to voltage

LAM

OFF

LAM

ONLY FOR

SPECIAL

CONFIG.

KNEE

LAM OFF

65Hz

LAM

OFF

LAM

MODE 2

LAM

MODE 1

LAM

OFF

LAM

MODE 2

LAM

MODE 1

50Hz

EXT.FREQ.

SET.

60Hz

SERIES

7000 / 8000

SERIES

7000 / 8000

SERIES

5000 / 6000

SERIES

5000 / 6000

1 PHASE SENSING

3 PAHASES SENSING

RAPIDE

FAST

RAPIDE

FAST

NORMAL

SHUNT / AREP

PMG

LSA

49 / 50

LSA

46 / 47

LSA

46 / 47

LSA

49 / 50

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2016.06 / h

Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

3 - TECHNICAL CHARACTERISTICS

3.1 - Electrical characteristics

- maximum power supply: 150V - 50/60 Hz

- Rated overload current: 10 A - 10 s

- Electronic protection:

- In the case of a short-circuit, the excitation

current is reduced to a value less than 1A

after 10 s

- In the event of loss of voltage reference,

the excitation current is reduced to a value

less than 1A after 1s for AREP/SHUNT, 10 s

for PMG.

- In the event of overexcitation, the current

is reduced as indicated in the next diagram

(see 3.2.1.4).

- Fuses: F1 on X1 and F2 on Z2 10A, 250V.

- Voltage sensing

• 0-110 V terminals = 95 to 140 V

• 0-220 V terminals = 170 to 260 V

• 0-380 V terminals = 340 to 528 V

For other voltages, a transformer should be

used.

- Voltage regulation:± 0.5%.

- Current sensing: (parallel operation): input

S1, S2 intended for 1 C.T. < 2.5 VA cl1,

secondary 1 A or 5 A.

3.2 - Congurations

3.2.1 - Settings

3.2.1.1 - Voltage

Voltage adjustment via potentiometer P1 in

the ranges described in the table below:

For 50 and 60 Hz Max.

High range 320V < Un ≤ 530 V

Low range 80 V ≤ Un ≤ 320 V

WARNING

The allowed adjustment range is ±5%;

when the setting exceeds these limits,

please check that it is conform with the

power table.

3.2.1.2 - Quadrature droop

Quadrature droop adjustment via

potentiometer P4 within a range :

- from 0 to 8% with a PF=0.8 for 400V

applications.

- From 0 to 14% with a PF=0.8 for 240V

applications.

- From 0 to 8% for 110V applications with a

step-up transformer (ratio of 4) placed on

the voltage reference.

The potentiometer P4 has a non linear

response. Then, when a 1A secondary CT is

connected the effective range starts from

the the second 1/3 of P4 range and in the

case of a 5A secondary CT the effective

range starts from the rst 1/3.

When a 5A CT is used, the adjustment range

is higher, so P4 must be set to the rst 1/4

(anti-clockwise) and then progressively

increase it.

WARNING

The CT must be connected.

3.2.1.3 - Stability

Stability adjustment via potentiometer P2.

Selection of rotating switch according to the

machine type and the response time as

indicated in paragraph 3.2.3.

3.2.1.4 - Excitation limitation

Excitation limitation adjustment via

potentiometer P3 as described below.

The excitation current limitation threshold in

steady state is set by a potentiometer at

110% of the rated value. The adjustment is

made by the operator during the on-load test

at rated power by tuning the potentiometer.

When the excitation current exceeds this

value, a counter is activated at the speed of

one record per second for 90 s. When this

time is elapsed, the current is reduced to the

value of the rated excitation current. If in the

meantime the excitation current drops

below the threshold value, the counter

counts down at the same speed.

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Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

WARNING

The limitation threshold must be

adjustable between 1 and 5.5 A. The

genset breaker must be open during the

short circuit. If the genset is restarted in

short circuit, there is a excitation build

up during 10s again at the maximum

value.

Operation between 3 and 6 In when

short-circuited:

The excitation current ceiling during a

short-circuit equals 2.9 times the xed

threshold when setting the permitted

excitation ceiling in continuous operation.

When the threshold is exceeded for a period

= 10 s the current is reduced to a value

between 0.5 and 0.7 A (shutdown).

In all operating conditions the maximum

excitation current must be limited to

9 A ± 0.5 A.

Overrun indications:

One green LED:

- Lights up when the excitation current is

below the continuous operation threshold

It signals the AVR normal operation.

- Turns off when the excitation current ceiling

used to obtain short-circuit operation is

reached and when the excitation current is

reduced to the shutdown value.

- Flashes when the over excitation counter

is decrementing.

NB: After an obvious short-circuit, the

voltage is limited to 70% of the rated voltage.

This avoids overvoltages on machines

whose no-load excitation current is below

the “lower current” threshold (only inAREP).

Diagram 1

9.5

I exc(A)

(Maximum current I exc)

Decrease of

90 s tempo. Activation of

90 s tempo.

Activation of

90 s tempo.

Red led

Green led

Activation of

10 s tempo. 10s tempo. elapsed :

shutdown apllication

t(s)

2.9x I threshold

(max. 9.5 A)

I threshold

(1...5.5A)

Shutdown

0.5 ~ 0.7

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Electric Power Generation Installation and maintenance

R450

A.V.R.

4531 en -

One red LED:

- Lights up simultaneously with the green led

when the continuous operation threshold is

reached for more than 90 s and the excitation

current is reduced to the continuous

operation threshold. It is used to set the

excitation current ceiling

- Turns off when the excitation current is less

than the setting value (< 110% In)

- Flashes when the excitation current is

above the continuous operation threshold

during less than 90 s.

Green LED stays on,

- ashes when the excitation current has

reached the ceiling in < 10s with PMG

excitation.

- ftays on if Iexc = I Shutdown.

WARNING

If the overload protection is activated, a

voltage drop possibly exceeding 10% of

the reference voltage will be observed.

The AVR does not provide undervoltage

protection. The customer will need to

make sure that their installation is

correctly protected against under-

voltages.

During load shedding, an overvoltage is

observed, which will disappear in a few

seconds.

Diagram 2

9.5

I exc(A)

t(s)

(Maximum current I exc)

Activation of

90 s. tempo

Red led

Green led

90 s. tempo elapsed : application

of permanent limitation

2.9x I threshold

(max. 9.5 A)

I threshold

(1...5.5A)

Shutdown

0.5 ~ 0.7

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