Installation and maintenance
R448 & R448 V50
A.V.R.
3972 en - 02.2008 / d
LEROY-SOMER
3
CONTENTS
1 - GENERAL INFORMATION................................................................................................5
1.1 - Description...................................................................................................................5
1.2 - Identification...................................................................................................................
2 - SUPPLY .............................................................................................................................5
2.1 - AREP excitation system ..............................................................................................5
2.2 - PMG excitation system................................................................................................6
2.3 - SHUNT or separate excitation system.........................................................................7
3 - R448 A.V.R. .......................................................................................................................8
3.1 - Characteristics.............................................................................................................8
3.2 - Frequency compared with voltage (without LAM)........................................................8
3.3 - LAM (Load Acceptance Module) characteristics .........................................................8
3.4 - Typical effects of the LAM with a diesel engine with or without a LAM (U/F only).......9
3.5 - R448 A.V.R. options ....................................................................................................9
4 - INSTALLATION - COMMISSIONING..............................................................................11
4.1 - Electrical checks on the AVR.....................................................................................11
4.2 - Settings......................................................................................................................11
4.3 - Electrical faults...........................................................................................................14
5 - SPARE PARTS................................................................................................................15
5.1 - Designation................................................................................................................15
5.2 - Technical support service..........................................................................................15
All such operations performed on the A.V.R. should be undertaken by personnel trained
in the commissioning, servicing and maintenance of electrical and mechanical
components.
Copyright 2005 : MOTEURS LEROY-SOMER
This document is the property of :
MOTEURS LEROY-SOMER
It may not be reproduced in any form without prior authorization.
All brands and models have been registered and patents applied for.
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