Related Manuals for Leroy-Somer AVR R448
Summary of Contents for Leroy-Somer AVR R448
- Page 1 I n s t a l l a t i o n • O p e r a t i o n • M a i n t e n a n c e Voltage Regulator AVR R448 Ruitai industry Co.,Ltd.
- Page 2 3972 en - 02.2008 / d Armature Field 10 Yellow 11 Red 12 Black Green X1 Z2 E+ E- 0V 110 22 Slow fuse 250V 10 A with LAM without LAM requency 60Hz 50Hz R 448 ST10 R448 & R448 A.V.R.
- Page 3 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. The information contained in this document may therefore be changed without notice.
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Page 4: Table Of Contents
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. -
Page 5: General Information
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 1 - GENERAL INFORMATION 1.2 - Identification 1.1 - Description These 2 A.V.R.s have strictly identical characteristics dimensions, The A.V.R. R 448 V50 is delivered in a box... -
Page 6: Supply
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 2 - SUPPLY The first winding has a voltage in proportion to that of the alternator (characteristic 2.1 - AREP excitation system Shunt), the second has a voltage in For both AREP &... -
Page 7: Pmg Excitation System
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 2.2 - PMG excitation system jumper must be disconnected. These two principles provide the machine With PMG excitation, a permanent magnet with a short-circuit current capacity of 3 IN... -
Page 8: Shunt Or Separate Excitation System
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 2.3 - SHUNT or separate excitation - 3-phase sensing (R 731 module) - LAM function integrated in the R 448 AVR. system In SHUNT excitation, R 448 A.V.R. is In this case of LSA 42.2, A.V.R. -
Page 9: R448 A.v.r
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. Configuration jumpers function 3 - R448 A.V.R. 3.1.1 - 3.1 - Characteristics Delivrery config. Pot. Position Function - Shunt power supply: max 150V - 50/60 Hz... -
Page 10: Frequency Compared With Voltage (Without Lam)
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 3.2 - Frequency compared with Voltage voltage (without LAM) Underspeed and LAM ST5 disconnected Voltage Voltage 57.5 Hz Bend 48 Hz 100 % 50 Hz 0.85 U... -
Page 11: Typical Effects Of The Lam With A Diesel Engine With Or Without A Lam (U/F Only)
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 3.4 - Typical effects of the LAM with 3.5 - R448 A.V.R. options a diesel engine with or without a - Current transformer for parallel operation of../ 1A Š... -
Page 12: Installation - Commissioning
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 4 - INSTALLATION - COMMISSIONING a) Initial potentiometer settings (see table below) 4.1 - Electrical checks on the AVR - Remote voltage adjustment potentiometer - Check that all connections have been : centre (ST4 jumper removed). - Page 13 LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. the voltage between E+ and E- (approx. 10V 4.2.2 - Max. excitation setting (excitation D.C.). The best response times are obtained ceiling) at the limit of the instability. If no stable Max.
- Page 14 LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. Open switch (D) : the excitation current The exciter is switched off by disconnecting should increase to its preset ceiling, remain the AVR power supply (1 wire on each...
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Page 15: Electrical Faults
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 4.3 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is - Lack of residual magnetism still correct when the battery is removed. -
Page 16: Spare Parts
LEROY-SOMER Installation and maintenance 3972 en - 02.2008 / d R448 & R448 V50 A.V.R. 5 - SPARE PARTS 5.1 - Designation Description Type Code A.V.R. R 448 AEM 110 RE 016 A.V.R. R 448 V50 AEM 110 RE 022 5.2 - Technical support service... - Page 17 MOTEURS LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE 338 567 258 RCS ANGOULÊME S.A. au capital de 62 779 000 euro...