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Summary of Contents for Leroy-Somer R 450 M
- Page 1 4342 en - 2012.03 / d VOIR NOTICE SEE NOTICE (400V - Inducteur Excitation forcée R 450 M & T B Volt A.V.R. Installation and maintenance CALL US TODAY REQUEST A QUOTE SHOP ONLINE 1-888-POWER-58 parts@genpowerusa.com www.dieselgeneratorusa.com...
- Page 2 Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. This manual concerns the alternator AVR which you have just purchased. We wish to draw your attention to the contents of this maintenance manual. By following certain important points during installation, use and servicing of your AVR, you can look forward to many years of trouble-free operation.
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Page 3: Table Of Contents
LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. CONTENTS 1 - GENERAL INFORMATION ....................4 1.1 - Description ........................4 1.2 - Identification ......................... 4 1.3 - Tools ..........................4 2 - POWER SUPPLY ....................... 5 2.1 - AREP excitation system ....................5... -
Page 4: General Information
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 1 - GENERAL INFORMATION - R 450M: single-phase sensing, 1.1 - Description - R 450T: three-phase sensing, The R450 AVR is supplied in a casing... -
Page 5: Power Supply
LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. 2 - POWER SUPPLY to the alternator main voltage (Shunt characteristic), the second one has a Both the AREP & PMG excitation systems voltage proportional to the stator current are controlled by the AVR. -
Page 6: Pmg Excitation System
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 2.2 - PMG excitation system The AVR monitors the alternator output voltage by adjusting the excitation current. With PMG excitation, a permanent magnet The rotating switch should be in the PMG generator (PMG) added to the alternator position (see 3.2.3). -
Page 7: Shunt Or Separate Excitation System
LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. 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. -
Page 8: Technical Characteristics
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 3 - TECHNICAL CHARACTERISTICS 3.2.1.2 - Quadrature droop: Quadrature droop adjustment 3.1 - Electrical characteristics potentiometer P4 within a range : - maximum power supply: 150V - 50/60 Hz - from 0 to 8% with a PF=0.8 for 400V... - Page 9 LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. current. In all operating conditions the WARNING maximum excitation current is clamped to 9.5 A ± 0.5 A. Overrun indications: limitation threshold must adjustable between 1 and 5.5 A. The...
- Page 10 LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. I exc(A) Diagram 2 2.9x I (Maximum current I exc) threshold (max. 9.5 A) threshold (1...5.5A) t(s) Shutdown Activation of 90 s. tempo elapsed : application 0.5 ~ 0.7...
- Page 11 LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. 3.2.2 - Rotating switch selection: LAM 3.2.3 Rotating switch: excitation type and U/F and time response 50Hz EXT.FREQ. SHUNT/AREP SET. MODE 1 RAPIDE NORMAL...
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Page 12: U/F And Lam Functions
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 3.3 - U/F and LAM function 3.3.2.2 - Soft voltage recovery function During load impacts, the function helps the 3.3.1 - Frequency variation compared... -
Page 13: Avr Options
LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. 3.4.3 - Power - R729 module: same as R726 with additional functions. • Detection of a diode fault. • 4-20 mA input. • Possibility of kVAR regulation. -
Page 14: Installation - Commissioning
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 4 - INSTALLATION - COMMISSIONING Action Factory setting Pot. 4.1 - Electrical checks on the AVR Voltage minimum fully 400 V - 50 Hz... - Page 15 LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. i) Vary the frequency (speed) around 48 or However, for applications requiring an 58 Hz according to the operating frequency, overload protection (see 3.2.1.4), the...
- Page 16 LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. The exciter is switched off by disconnecting the AVR power supply (1 wire on each auxiliary winding) - contact rating 16 A - 250 V A.C.
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Page 17: Electrical Faults
LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. 4.3 - Electrical faults Fault Action Measurements Check/Cause The alternator builds up and its - Lack of residual magnetism voltage is still correct when the... -
Page 18: Spare Parts
LEROY-SOMER Installation and maintenance 4342 en - 2010.03 / d R 450 M & T A.V.R. 5 - SPARE PARTS 5.1 - Designation Description Type Code Voltage regulator R 450 M AEM 110 RE 032 (AVR) Voltage regulator R 450 T... - Page 19 LEROY-SOMER Installation and maintenance 4342 en - 2012.03 / d R 450 M & T A.V.R. CALL US TODAY REQUEST A QUOTE SHOP ONLINE 1-888-POWER-58 parts@genpowerusa.com www.dieselgeneratorusa.com...
- Page 20 Email: parts@genpowerusa.com CALL US TODAY REQUEST A QUOTE SHOP ONLINE 1-888-POWER-58 parts@genpowerusa.com www.dieselgeneratorusa.com...
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