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R251
A.V.R.
Installation and maintenance
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parts@genpowerusa.com
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Slow fuse
F1
250V 8 A
P1
Voltage
P2
Stability
ST4
Option
External potentiometrer
for voltage adjusting
4092 en - 11.2006 / a
7 5
110 0V
R 251
KNEE
KNEE
50Hz
50Hz
LAM
LAM
47.5Hz
47.5Hz
o
OFF
OFF
LAM OFF
LAM OFF
9
1
13%
13%
0
SPECIAL
SPECIAL
8
2
25%
25%
KNEE
KNEE
OFF
OFF
3
7
65Hz
65Hz
13%
13%
4
LAM OFF
LAM OFF
6
KNEE
KNEE
5
25%
25%
57Hz
57Hz
60Hz
60Hz
LAM
LAM
LAM OFF
LAM OFF
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Table of Contents
Related Manuals for Leroy-Somer R 251
Summary of Contents for Leroy-Somer R 251
- Page 1 4092 en - 11.2006 / a 110 0V R 251 Slow fuse 250V 8 A Voltage KNEE KNEE 50Hz 50Hz 47.5Hz 47.5Hz LAM OFF LAM OFF Stability SPECIAL SPECIAL KNEE KNEE 65Hz 65Hz LAM OFF LAM OFF KNEE KNEE 57Hz...
- Page 2 This A.V.R. is incorporated in a machine marked CE. Warning symbol for electrical danger to personnel. Note : LEROY-SOMER reserves the right to modify the characteristics of its products at any time in order to incorporate the latest technological developments.
-
Page 3: Table Of Contents
Any maintenance or breakdown operations on the A.V.R. are to be done by personnel trained on commisioning, servicing and maintenance for the electrical and mechanical elements. 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. -
Page 4: Supply
SHUNT excitation alternator does not have a short circuit capacity. 1.1 - SHUNT excitation system The R 251 is a R 250 with a specific The SHUNT excitation alternator is auto- excitation ceiling = 4 A during 30 s (set for excited with a R 251 voltage regulator. -
Page 5: R251 A.v.r
Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. 2 - R251 A.V.R. Operating at 50 Hz: (U/F gradient) 2.1 - Characteristics 0: threshold at 48 Hz without LAM for - Voltage regulation: around ± 0,5 %. -
Page 6: Lam Characteristics
Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. 2.4 - LAM characteristics (Load 2.4.2 - Gradual voltage return function Acceptance Module) During load impacts, the function helps the genset to return to its rated speed faster 2.4.1 - Voltage drop... -
Page 7: Typical Effects Of The Lam
Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. 2.5 - Typical effects of the LAM with a diesel engine or without a LAM (U/ F only) 2.5.1 - Voltage Transient voltage drop (U/f) without LAM with Tim e 2.5.2 - Frequency... -
Page 8: Installation - Commisioning
Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. 3 - INSTALLATION - 3.2.2 - Special type of use COMMISSIONING WARNING WARNING 3.1 - Electrical checks on the AVR - Check that all connections have been Excitation circuit E+, E- must not be left... -
Page 9: Electrical Faults
Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. 3.3 - Electrical faults Fault Action Effect Check/cause The alternator starts up and its - Lack of residual magnetism voltage is still correct when the battery is removed. -
Page 10: Spare Parts
4 - SPARE PARTS 4.1 - Designation Description Type Code A.V.R. R 251 AEM 110 RE 021 4.2 - Technical support service Our technical support service will be pleased to help you with any information needed. For replacement part orders, it is necessary to indicate the type and the code number of the A.V.R. - Page 11 Installation and maintenance LEROY-SOMER 4092 en - 11.2006 / a R251 A.V.R. CALL US TODAY CALL US TODAY REQUEST A QUOTE REQUEST A QUOTE SHOP ONLINE SHOP ONLINE 1-888-POWER-58 1-888-POWER-58 parts@genpowerusa.com parts@genpowerusa.com www.genpowerusa.com www.genpowerusa.com...
- Page 12 Email: parts@genpowerusa.com MOTEURS LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE 338 567 258 RCS ANGOULÊME S.A. au capital de 62 779 000 ¤ CALL US TODAY CALL US TODAY REQUEST A QUOTE REQUEST A QUOTE SHOP ONLINE SHOP ONLINE 1-888-POWER-58 1-888-POWER-58 parts@genpowerusa.com...
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